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1. Defect Dynamics in Anomalous Latching of a Grating Aligned Bistable Nematic Liquid Crystal Device

Author

J. C. Jones, S. A. Jones, Z. R. Gradwell, F. A. Fernandez, and S. E. Day

Subjects
topological defects, nematic liquid crystals, gratings, defect dynamics, bistability, LCD, Crystallography, QD901-999
Abstract

Deliberate manipulation of topological defects is of particular interest for liquid crystal applications. For example, surface bistability occurs in the grating aligned Zenithal Bistable Device due to the stabilisation of ±½ defects at the points of high surface curvature. Conventional latching between continuous and defect states has previously been simulated satisfactorily using Q-tensor models that include the effect of weak-anchoring and flexoelectricity. However, experimental studies show that some arrangements lead to anomalous latching regimes. The Q-tensor model is used to show that such effects occur when the defects become detached from the surface and have more complex paths in the bulk of the sample.

Published
2022
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2. Basil Lythgoe. 18 August 1913—18 April 2009

Author

J. C. Jones

Subjects
010504 meteorology & atmospheric sciences, media_common.quotation_subject, 010102 general mathematics, Art history, General Medicine, Art, 0101 mathematics, 01 natural sciences, Organic chemist, 0105 earth and related environmental sciences, media_common
Abstract

Basil Lythgoe was distinguished as an organic chemist. He began his career at the University of Manchester, where he had studied for his undergraduate and PhD degrees, before moving to University of Cambridge. During this period he collaborated with Alexander Todd on the structural elucidation and total synthesis of the natural nucleosides, and was also noted for his investigation of the structure of the natural substance macrozamin. In 1953 he moved to the chair of organic chemistry at the University of Leeds, running a research group from which several graduate students went on to academic careers of the highest distinction. At Leeds he worked on the structure of the alkaloid taxine 1 and calciferol, among other natural substances. Lythgoe's work was characterized by a combination of insight and high experimental skill.

Published
2021
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3. A numerical exercise on waste incineration

Author

J C Jones

Subjects
General Physics and Astronomy, Education
Abstract

A numerical example for tutorial and possibly design exercise use is described which is concerned with the performance of household waste as a fuel in power generation.

Published
2022
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4. Basil Lythgoe - Bibliography from Basil Lythgoe. 18 August 1913—18 April 2009

Author

J. C. Jones

Abstract

Basil Lythgoe was distinguished as an organic chemist. He began his career at the University of Manchester, where he had studied for his undergraduate and PhD degrees, before moving to University of Cambridge. During this period he collaborated with Alexander Todd on the structural elucidation and total synthesis of the natural nucleosides, and was also noted for his investigation of the structure of the natural substance macrozamin. In 1953 he moved to the chair of organic chemistry at the University of Leeds, running a research group from which several graduate students went on to academic careers of the highest distinction. At Leeds he worked on the structure of the alkaloid taxine 1 and calciferol, among other natural substances. Lythgoe's work was characterized by a combination of insight and high experimental skill.

Published
2021
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6. CD1d/NKT cells (WS-006)

Author

A. Rybouchkin, A. G. Baxter, H. Kawamoto, H. Kim, M. Dalod, L. C. Sullivan, S. Stankovic, G. J. Freeman, S. Kojo, R. H. DeKruyff, S. P. Berzins, A. Lehuen, I. H. Frazer, S. Goya, H. Lee, C. Elly, J. Rossjohn, S. E. Umetsu, O. Patel, N. Hongo, M. Taniguchi, H. Koseki, M. Yong, W. Y. Langdon, K. Seino, J. Weber, L. Beaudoin, D. I. Godfrey, P. B. Savage, S. Mattarollo, A. Rahimpour, D. T. Umetsu, S. Sakata, E. H. Meyer, D. G. Pellicci, N. Dashtsoodol, A. Choyce, C. Boitard, M. T. Fletcher, J. M. Casasnovas, M. Harada, J. McCluskey, G. Cameron, L. Tortola, K. Mori, M. Kronenberg, E. Sekine, D. Godfrey, V. Brezar, Y. Liu, M. J. Smyth, G. Kaplan, H. Watarai, M. Kopf, A. P. Uldrich, L. A. Pitt, Y. Nagata, J. Diana, A. Brooks, A. Enders, R. Mallone, J. C. Jones, L. Kjer-Nielsen, K. Kyparissoudis, M. G. von Herrath, Y. Harada, M. Pichavant, K. Karjalainen, G. R. Leggatt, J. Kisielow, T. Tashiro, and P. Bhat

Subjects
biology, media_common.quotation_subject, CD1D, Immunology, biology.protein, Immunology and Allergy, General Medicine, Art, Natural killer T cell, media_common
Published
2010
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8. The Forum

Author

J. C. JONES

Subjects
Mechanics of Materials, Mechanical Engineering, Safety, Risk, Reliability and Quality
Published
2000
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10. On the Possible Role of Inorganics in the Ignition of Lignocellulosic Materials

Author

J. C. Jones and GN Richards

Subjects
021110 strategic, defence & security studies, Engineering, Injury control, business.industry, Accident prevention, Mechanical Engineering, 0211 other engineering and technologies, Human factors and ergonomics, Poison control, 020101 civil engineering, 02 engineering and technology, Suicide prevention, Occupational safety and health, 0201 civil engineering, law.invention, Ignition system, Risk analysis (engineering), Mechanics of Materials, law, Injury prevention, Forensic engineering, Safety, Risk, Reliability and Quality, business
Published
1997
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11. Maximizing First-Year Growth of Mixed-Sex Blue Tilapia Oreochromis aureus in Polyculture with Catfish Ictalurus spp

Author

Mark A. Tabb, William L. Deavours, John R. Morrison, and J. C. Jones

Subjects
food.ingredient, biology, media_common.quotation_subject, fungi, Tilapia, Aquatic Science, biology.organism_classification, Feed conversion ratio, Fishery, food, Animal science, Ictalurus, Oreochromis aureus, Monoculture, Reproduction, Polyculture, human activities, Agronomy and Crop Science, media_common, Catfish
Abstract

Mixed-sex blue tilapia Oreochromis aureus fry were produced from indoor spawns in March and April. Fry were stocked in May at an average weight of 0.5 g at 0, 250, 750, or 2,500/ha into ponds which had been stocked previously with three catfish strains at a combined density of 10,000 fingerlings/ha. After a 167-d culture period, from 15 May until 4 November, tilapia stocked at 250 or 750/ha grew to average harvest size approaching 0.45 kg. No significant difference in average size was observed between males and females except at the 2,500 tilapia/ha stocking density. Sixty percent of the tilapia polyculture ponds yielded no reproduction at harvest and maximum reproduction observed was 13.5 kg/ha. Lack of reproduction and the undeveloped state of sampled female ovaries indicated that most females had yet to attain sexual maturity. Catfish production and catfish feed conversion was not significantly different between tilapia polyculture and catfish monoculture ponds (P > 0.05). First seine hauls yielded over 88% of the total catfish harvest, but only an average of 3.9% of the marketable tilapia. Tilapia had no measurable impact on the incidence of catfish off-flavor at any of three sample intervals. Overall average levels of TAN and nitrites did not differ significantly between treatments; however, mean chlorophyll a concentration was significantly higher (P > 0.05) in the 2,500 tilapia/ha treatment than at lower tilapia densities.

Published
1995
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13. Design and development of a fall arresting system

Author

C.W. Malone, J. C. Jones, Tom B. Leamon, and Atila Ertas

Subjects
Engineering, Automatic control, business.industry, Anticipation (artificial intelligence), Component (UML), Overhead (engineering), Poison control, Safety, Risk, Reliability and Quality, business, Falling (sensation), Track (rail transport), Slipping, Simulation
Abstract

Despite the large personal and economic losses associated with the effects of falling and slipping, the etiology of falling and slipping behavior (FSB) is unknown. A major inhibition of past research has been the lack of a facility to experimentally investigate such behavior without exposing human subjects to the natural danger of injury resulting from falls. To carry out this research, a facility was constructed to investigate FSB. One component of this facility, a fall arresting system, will be used to experimentally research the basic mechanisms involved in falls. Specifically, this component must be designed to provide passive, reactive support of a person so that a reduced friction walk surface and/or a fall can be induced. This fall arresting system is composed of two subsystems. In the first, the mechanical components are combined to provide an overhead suspension system that can be made to track a predetermined path in anticipation of arresting an induced fall. The second subsystem is an automatic control system that provides passive tracking of the test subject's movement along the path. This paper describes the development of the overall system and how the components are combined to provide a functional fall-arresting system.

Published
1990
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16. Long-Term Methanol Vehicle Test Program: Final Subcontract Report, 1 November 1992 - 1 February 1995

Author

J C Jones and T T Maxwell

Subjects
Alcohol fuel, Engineering, Cold start (automotive), Bearing (mechanical), Waste management, Hot start, business.industry, Gasket, Fuel injection, law.invention, law, Fuel efficiency, business, Methanol fuel
Abstract

Work was sperformed to determine effects of methanol fuel on engine performance and exhaust emissions during long-term use in a 1988 Chevrolet Corsica. Engine wear, gasket performance, fuel economy, emissions level, oil consumption, and overall vehicle performance were monitored over 22,000 miles. Baselines were established at the beginning for comparison: engine was disassembled, bearing/ring clearances and cam profiles were measured. Higher flow rate fuel injectors from AC Rochester were installed and the computer system calibrated for M100 fuel. The vehicle durability test increased oil consumption by 26% under cold-start conditions, 9% under hot start. Oil consumption under hot start was higher than under cold start by as much as 56%; effect of component temperatures on oil viscosity appears to be the cause. It is recommended that oil consumption of a gasoline-fueled vehicle be measured in order to normalize the effect of methanol operation on oil consumption, and to study the effect of steady-state and transient conditions on oil consumption.

Published
1995
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19. Repair of individual DNA strands in the hamster dihydrofolate reductase gene after treatment with ultraviolet light, alkylating agents, and cisplatin

Author

A, May, R S, Nairn, D S, Okumoto, K, Wassermann, T, Stevnsner, J C, Jones, and V A, Bohr

Subjects
Alkylating Agents, DNA Repair, Photochemistry, Ultraviolet Rays, CHO Cells, DNA, Sulfuric Acid Esters, Blotting, Southern, Tetrahydrofolate Dehydrogenase, Pyrimidine Dimers, Cricetinae, Animals, Mechlorethamine, Cisplatin, DNA Damage
Abstract

We have analyzed gene-specific and strand-specific DNA damage and repair in the dihydrofolate reductase gene in hamster cells. Cells were UV-irradiated or treated with two types of chemotherapeutics, alkylating agents or cisplatin. UV-induced pyrimidine dimers were detected using a previously published technique in which the T4 endonuclease V enzyme is used to create nicks at the lesion sites. 6-4 photoproducts were detected in a similar assay using ABC excinuclease after prior reversal of the pyrimidine dimers with photolyase. Adducts formed by the alkylating agents nitrogen mustard and dimethyl sulfate were quantitated by generating strand breaks at basic sites after neutral depurination. Cisplatin-induced intrastrand adducts were detected with ABC excinuclease, and cisplatin interstrand cross-links were detected using a denaturation-reannealing reaction before electrophoresis. In accord with previous reports by other investigators, we find distinct strand specificity of the repair of pyrimidine dimers after UV; the transcribed strand was much more efficiently repaired than the nontranscribed strand. In contrast, there was little or no strand bias in the repair of the 6-4 photoproducts. For alkylating agents, a slight bias toward repair in the transcribed strand was found after treatment with nitrogen mustard, but there appeared to be no bias in the repair after treatment with dimethyl sulfate. Cisplatin interstrand cross-links are repaired with equal efficiency from the two strands, but the more common cisplatin-induced lesion, the intrastrand adduct, is preferentially repaired from the transcribed strand. In conclusion, there is strand bias in the repair of pyrimidine dimers and cisplatin intrastrand adducts, but the strand specificity of repair may not be a general feature for all DNA lesions, as we found little or no strand bias in the repair of other lesions studied.

Published
1993

20. Stroke and Parkinson's disease

Author

J C Jones, N Bee, and R L Levine

Subjects
Male, medicine.medical_specialty, Parkinson's disease, Neurology, Population, Coronary artery disease, Antiparkinson Agents, Risk Factors, Internal medicine, medicine, Dementia, Humans, cardiovascular diseases, Myocardial infarction, education, Stroke, Aged, Retrospective Studies, Advanced and Specialized Nursing, Aged, 80 and over, education.field_of_study, business.industry, Incidence, Atrial fibrillation, Parkinson Disease, Middle Aged, medicine.disease, Surgery, Cerebrovascular Disorders, Case-Control Studies, Neurology (clinical), Cardiology and Cardiovascular Medicine, business
Abstract

We sought to determine whether the recently reported decreased incidence of stroke and atherosclerotic disease in a university hospital-based Parkinson's disease patient population would be demonstrated in our patient population. We performed a retrospective case-control review of the last 119 Parkinson's disease patients discharged from the Middleton Veterans Affairs Hospital Neurology Service to study the incidence of ischemic stroke, myocardial ischemia, tobacco use, and other stroke risk factors. Controls were age and sex matched and were randomly taken from 238 non-Parkinson's disease discharges in which stroke or myocardial infarction was not the reason for hospitalization. The cumulative incidences of ischemic stroke, hypertension, and diabetes mellitus were not significantly different between groups. Myocardial infarction, coronary artery disease, tobacco use, atrial fibrillation, cancer, and ethanol abuse were significantly more prevalent in the controls, whereas dementia and congestive heart failure were the only variables studied that were more prevalent in the Parkinson's disease patients. Our study failed to demonstrate that Parkinson's disease patients from a Veteran population were protected from ischemic stroke.

Published
1992

22. Adhesion complex formation after small keratectomy wounds in the cornea

Author

E L, Stock, M A, Kurpakus, B, Sambol, and J C, Jones

Subjects
Cornea, Wound Healing, Corneal Stroma, Guinea Pigs, Cell Adhesion, Animals, Fluorescent Antibody Technique, Humans, Collagen, Desmosomes, Laminin, Basement Membrane, Epithelium
Abstract

The adhesion complex of the corneal epithelium consists of the hemidesmosome and its associated structures, such as anchoring filaments, lamina densa of the basement membrane, and anchoring fibrils. It contributes to the adhesion of the corneal epithelium to Bowman's layer. To understand the adhesion complex better, an electron microscopic and immunofluorescence analysis was done of the reformation of the adhesion complex in small (1 mm) keratectomy wounds in the guinea pig cornea. In these wounds, the epithelium, hemidesmosomes, basal lamina, anchoring fibrils, and anterior stroma were removed. The wound bed was epithelialized completely by 24 hr after wounding. Immunofluorescence analyses involved the use of antibodies against plaque components of the hemidesmosome, an antibody against laminin, and an antibody against the collagen VII component of anchoring fibrils. At 18 hr after wounding, there was no morphologic evidence of hemidesmosomes at the epithelial-stromal interface. At 24 hr, hemidesmosomes were observed, with or without subjacent lamina densa. Furthermore, plaque components were detected by immunofluorescence in those cells in contact with the wound bed. In contrast, no type VII collagen was detected. On day 7, collagen VII, laminin, and bullous pemphigoid autoantibody markers colocalized along the wound bed as determined by immunofluorescence. However, at the ultrastructural level, even though the lamina densa of the basal lamina was observed primarily where hemidesmosomes were present, it remained incomplete. In this study, the precise temporal sequence in which components are incorporated into the assembling adhesion complex was described during wound healing. Furthermore, the possibility that the hemidesmosomal plaque nucleates the formation of the underlying basal lamina was discussed.

Published
1992

23. Use of latex agglutination testing in diagnosing pediatric meningitis

Author

S A, Feuerborn, W I, Capps, and J C, Jones

Subjects
Leukocyte Count, Adolescent, Staining and Labeling, Child, Preschool, Infant, Newborn, Humans, Infant, Child, Sensitivity and Specificity, Latex Fixation Tests, Anti-Bacterial Agents, Meningitis, Bacterial
Abstract

Latex agglutination (LA) tests are ordered frequently on cerebral spinal fluid (CSF) specimens obtained from pediatric patients to identify pathogenic bacteria as early as possible in an acute infection.Six hundred ten LA tests were performed on 176 patients suspected of having meningitis.Five patients with meningitis had positive LA tests. We found that the CSF white blood cell (WBC) count, and differential were the best predictors of meningitis.By limiting the use of LA tests to those patients having CSF with abnormal WBC counts or with positive Gram stains, the number of tests ordered would have been reduced. This practice would greatly reduce laboratory expense.

Published
1992

25. Gene-specific formation and repair of cisplatin intrastrand adducts and interstrand cross-links in Chinese hamster ovary cells

Author

J C, Jones, W P, Zhen, E, Reed, R J, Parker, A, Sancar, and V A, Bohr

Subjects
DNA Repair, Ovary, DNA, Cell Line, Tetrahydrofolate Dehydrogenase, Cricetulus, Cross-Linking Reagents, Genes, Cricetinae, Proto-Oncogenes, Animals, Female, Cisplatin, DNA Damage
Abstract

We have used three methods to study the formation and repair of intrastrand adducts and interstrand cross-links in the DNA of Chinese hamster ovary cells induced by the anticancer drug cis-diamminedichloroplatinum II (cisplatin). Using atomic absorption spectroscopy, we found that 21% of the total genomic cisplatin adducts were removed at 8 h and 42% at 24 h. We used ABC excinuclease digestion, coupled with out previously reported methodology to quantify DNA in specific genomic regions. These adducts were removed faster in the transcribed dihydrofolate reductase and c-myc genes compared to a noncoding fragment, a region containing the little or nontranscribed c-fos oncogene, and to the overall genome. Interstrand cross-links in specific sequences were quantified by Southern hybridization of denatured-renatured DNA separated on a neutral gel. We found that cross-links were removed more efficiently from the gene regions than intrastrand adducts and, at high levels of cross-linking, removal was similar from transcribed and from nontranscribed regions.

Published
1991

26. Expression of the 55-kD/64-kD corneal keratins in ocular surface epithelium

Author

M A, Kurpakus, E L, Stock, and J C, Jones

Subjects
Guinea Pigs, Immunoblotting, Intermediate Filaments, Antibodies, Monoclonal, Fluorescent Antibody Technique, Epithelium, Cornea, Molecular Weight, Cytoskeletal Proteins, Animals, Keratins, Cattle, Electrophoresis, Gel, Two-Dimensional, Electrophoresis, Polyacrylamide Gel, Rabbits, Eye Proteins
Abstract

According to the concept of keratin pairing defined by tissue coexpression, a 55-kD/64-kD keratin pair is a marker of "corneal-type" differentiation. Intermediate filament (IF)-enriched preparations from guinea pig and bovine corneal epithelium were analyzed, and a rabbit antiserum was generated against a 55-kD polypeptide enriched in these preparations. This antiserum generated a typical IF-like pattern in cultured bovine corneal epithelial cells. Immunofluorescence microscopic analysis of frozen sections of guinea pig and bovine tissue revealed that the 55-kD antiserum labeled corneal and limbal epithelium. In addition, the antiserum stained a subpopulation of peripheral limbal cells that were distributed in both basal and suprabasal layers of the epithelium. The monoclonal antibody AE5 was used to investigate the distribution of the 64-kD polypeptide in guinea pig and bovine tissue. Immunoblotting analysis revealed that AE5 antibodies recognized a 64-kD polypeptide in guinea pig cornea, but recognized a 66-kD polypeptide in bovine cornea. Immunofluorescence microscopic analysis of guinea pig tissue revealed that AE5 antibodies labeled suprabasal layers of corneal epithelium, in suprabasal layers of limbal epithelium, and in groups of cells in the peripheral limbal epithelium. We discuss the possibility that the ocular epithelial cells recognized by either the 55-kD or the 64-kD antibodies in the peripheral limbus may play a role in the reepithelialization of the cornea after wounding.

Published
1990

27. Greenhouse Gases and Non-gray Behavior

Author

J. C. Jones

Subjects
Greenhouse gas, Physics::Physics Education, General Chemistry, Agricultural engineering, Gray (horse), Education, Mathematics
Abstract

Describes a link between greenhouse gases, the black body concept, and the Stefan–Boltzmann law that is pedagogically interesting and might be of value to others teaching physical chemistry.

Published
2005
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28. Comment on the Hazards of Peroxide Decomposition

Author

J. C. Jones

Subjects
chemistry.chemical_compound, Chemistry, Organic chemistry, General Chemistry, Decomposition, Peroxide, Education
Abstract

The one possible exception to the view that detonations are not expected from hydrocarbons or their derivatives under conditions of industrial processing is organic peroxides.

Published
2004
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29. The effects of rail support stiffness on railway rolling noise

Author

David J. Thompson, Chris J. C. Jones, and Guillaume de France

Subjects
Ballast, business.product_category, Acoustics and Ultrasonics, business.industry, Attenuation, Stiffness, Structural engineering, Track (rail transport), Fastener, Vibration, Noise, Arts and Humanities (miscellaneous), medicine, Train, medicine.symptom, business, Geology
Abstract

Rolling noise from trains is radiated by both wheel and track vibrations, the track being dominant in many cases. The stiffness of the rail fastener system, especially the elastomeric rail pad usually inserted between the rails and the sleepers, has a significant influence on the noise emitted by the track. Railways are increasingly using softer pads to reduce potential damage to sleepers and ballast. Softer pads decouple the rail from the sleeper. This reduces the noise from the sleeper but also reduces the decay of vibration with distance along the rail and hence leads to an increase of the noise radiated by the rail. The paper describes experimental and theoretical work to investigate the influence of pad stiffness on the dynamic and acoustic behavior of track. The vibrational behavior has been measured on a dedicated 36‐m section of railway track, with different types of rail pad installed. The results are compared with predictions using theoretical models of the track behavior. This allows the effective pad stiffness and damping to be determined, laboratory measurements also being available for comparison. The attenuation of vertical and lateral vibration along the track is measured in order to estimate the effect on radiated noise.

Published
1999
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31. Drosera rotundifolia

Author

O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, and O. B. Wheeler & J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1660218%5DMICH-V-1660218, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1660218/MICH-V-1660218/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

32. Drosera rotundifolia

Author

O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, and O. B. Wheeler & J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1660218%5DMICH-V-1660218, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1660218/MICH-V-1660218/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

33. Pteridium aquilinum

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1589901%5DMICH-V-1589901, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1589901/MICH-V-1589901/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

34. Cryptogramma acrostichoides

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1586056%5DMICH-V-1586056_2, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1586056/MICH-V-1586056_2/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

35. Cryptogramma acrostichoides

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1586056%5DMICH-V-1586056_1, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1586056/MICH-V-1586056_1/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

36. Athyrium asplenioides var. angustum

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1615451%5DMICH-V-1615451, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1615451/MICH-V-1615451/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

37. Rubus parviflorus

Author

Professor J. C. jones, Professor J. C. jones, Professor J. C. jones, and Professor J. C. jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1461813%5DMICH-V-1461813, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1461813/MICH-V-1461813/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

38. Rubus idaeus

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1461551%5DMICH-V-1461551, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1461551/MICH-V-1461551/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

39. Platanthera orbiculata

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1654077%5DMICH-V-1654077, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1654077/MICH-V-1654077/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

40. Platanthera orbiculata

Author

O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, and O. B. Wheeler & J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1654079%5DMICH-V-1654079, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1654079/MICH-V-1654079/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

41. Gymnocarpium dryopteris

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1601253%5DMICH-V-1601253, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1601253/MICH-V-1601253/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

42. Platanthera orbiculata

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1654078%5DMICH-V-1654078, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1654078/MICH-V-1654078/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

43. Neottia cordata

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1652866%5DMICH-V-1652866, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1652866/MICH-V-1652866/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

44. Ptilium crista-castrensis

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Bryophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-604220%5DMICH-B-604220, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/604220/MICH-B-604220/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

45. Drosera rotundifolia

Author

O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, O. B. Wheeler & J. C. Jones, and O. B. Wheeler & J. C. Jones

Abstract

Angiosperms, http://name.umdl.umich.edu/IC-HERB00IC-X-1660280%5DMICH-V-1660280, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1660280/MICH-V-1660280/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

46. Phegopteris connectilis

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1620679%5DMICH-V-1620679, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1620679/MICH-V-1620679/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

47. Phegopteris connectilis

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1620648%5DMICH-V-1620648, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1620648/MICH-V-1620648/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

48. Cystopteris tenuis

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1601201%5DMICH-V-1601201, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1601201/MICH-V-1601201/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

49. Woodsia ilvensis

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1646491%5DMICH-V-1646491, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1646491/MICH-V-1646491/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

50. Matteuccia struthiopteris

Author

J. C. Jones, J. C. Jones, J. C. Jones, and J. C. Jones

Abstract

Pteridophytes, http://name.umdl.umich.edu/IC-HERB00IC-X-1599307%5DMICH-V-1599307, https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1599307/MICH-V-1599307/!250,250, The University of Michigan Library provides access to these materials for educational and research purposes. Some materials may be protected by copyright. If you decide to use any of these materials, you are responsible for making your own legal assessment and securing any necessary permission. If you have questions about the collection, please contact the Herbarium professional staff: herb-dlps-help@umich.edu. If you have concerns about the inclusion of an item in this collection, please contact Library Information Technology: libraryit-info@umich.edu., https://www.lib.umich.edu/about-us/policies/copyright-policy

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