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The Melbourne Congress of 2011 authorized a Special Committee on Registration of Algal and Plant Names (including fossils), which was established the following year (Wilson in Taxon 61: 878–879. 2012). Its explicit mandate was “to consider what would be involved in registering algal and plant names (including fossils), using a procedure analogous to that for fungal names agreed upon in Melbourne and included in the Code as Art. 42”, but expectations at the Nomenclature Section in Melbourne went farther than that. There was the hope that registration systems for at least some of the main groups would soon be set up, to be used and tested on a voluntary basis and, if found to be generally accepted, would persuade the subsequent Congress in Shenzhen, in 2017, to declare registration of new names an additional requirement for valid publication. The Melbourne Congress also approved mandatory registration of nomenclatural novelties in fungi, starting on 1 Jan 2013. The new Art. 42 of the Code (McNeill & al. in Regnum Veg. 154. 2012) requires authors to register any fungal nomenclatural novelty, prior to publication, with a recognized repository, whereupon they are provided with a unique identifier for each name, to be included in the protologue along with other Code-mandated information. Years before registration became mandatory, mycologists had been encouraged, often prompted by journal editors, to register their nomenclatural novelties prior to publication. Most complied. Consequently, when mandatory registration was proposed, it had strong support from the mycological community. There are currently three recognized repositories for fungal names. They vary somewhat in how they operate, but they share records of their registered novelties as soon as publication has been effected. One consequence of implementing mandatory registration is that locating new fungal names and combinations and associated protologue information is much simpler now than it was before. This makes it easier to incorporate the information into taxonomic studies and to update taxonomic treatments, inventories, and indices. A corollary is that, no matter what publication outlet an author chooses, the name cannot fail to be noticed. The positive experience in mycology makes extension of the registration concept to plants and algae a compelling idea. That experience shows that the best way to make mandatory registration of nomenclatural novelties palatable to botanists and phycologists is the establishment of trial registration at repositories with a history of involvement in and commitment to the indexing of names. Trial registration enables users to acquaint themselves with registration procedures, make suggestions on how they might be improved, and appreciate, by personal experience, the benefits of registration. Unfortunately, the task of establishing such repositories proved to be more complex and time-consuming than had been foreseen. Substantial progress has been made in the establishment of such centres (Barkworth & al., in this issue, pp. 670–672) but the Committee is not in a position to make firm proposals to regulate registration procedures, even less to make registration mandatory from a concrete future date. Nevertheless, the Committee sees it as imperative that the Shenzhen Congress be offered the opportunity to move forward with registration without having to wait six more years. In this spirit, we offer the proposals below. Proposal (276) would declare registration an ongoing concern of the botanical, mycological, and phycological community and provide the basic structure for making it possible. Proposal (277) and Prop. (278) would, in addition, define a flexible framework within which a system of voluntary registration could be developed for various categories of organisms. Proposal (279) would provide for future mandatory registration in a way that does not depend on the six-year intervals between International Botanical Congresses. Presentation of each proposal is followed by a summary of the support received from members of the Committee. Fil: Barkworth, Mary E.. State University of Utah; Estados Unidos Fil: Watson, Mark. Royal Botanic Gardens; Reino Unido Fil: Barrie, Fred R.. Missouri Botanical Garden; Estados Unidos. Field Museum Of Natural History; Estados Unidos Fil: Belyaeva, Irina V.. Royal Botanic Gardens; Reino Unido Fil: Chung, Richard C. K.. Forest Research Institute ; Malasia Fil: Dasková, Jirina. Národní Muzeum; República Checa Fil: Davidse, Gerrit. Missouri Botanical Garden; Estados Unidos Fil: Dönmez, Ali A.. Hacettepe Üniversitesi; Turquía Fil: Doweld, Alexander B.. National Institute Of Carpology; Rusia Fil: Dressler, Stefan. Senckenberg Forschungsinstitut Und Naturmuseum; Alemania Fil: Flann, Christina. Naturalis Biodiversity Center; Países Bajos Fil: Gandhi, Kanchi. Harvard University; Estados Unidos Fil: Geltman, Dmitry. Russian Academy of Science; Rusia Fil: Glen, Hugh F.. Forest Hills; Sudáfrica Fil: Greuter, Werner. Freie Universität Berlin; Alemania Fil: Head, Martin J.. Brock University; Canadá Fil: Jahn, Regine. Freie Universität Berlin; Alemania Fil: Janarthanam, Malapati K.. Goa University; India Fil: Katinas, Liliana. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División de Plantas Vasculares; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Kirk, Paul M.. Royal Botanic Gardens; Reino Unido Fil: Klazenga, Niels. Royal Botanic Gardens Victoria; Australia Fil: Kusber, Wolf-Henning. Freie Universität Berlin; Alemania Fil: Kvacek, Jirí. Národní Muzeum; República Checa Fil: Malécot, Valéry. Universite D'angers; Francia Fil: Mann, David G.. Royal Botanic Gardens; Reino Unido Fil: Marhold, Karol. Charles University; República Checa Fil: Nagamasu, Hidetoshi. Kyoto University; Japón Fil: Nicolson, Nicky. Royal Botanic Gardens; Reino Unido Fil: Paton, Alan. Royal Botanic Gardens; Reino Unido Fil: Patterson, David J.. The University Of Sydney; Australia Fil: Price, Michelle J.. Conservatoire et Jardin botaniques de la Ville de Genève; Suiza Fil: van Reine, Willem F Prud' Homme. Naturalis Biodiversity Center; Países Bajos Fil: Schneider, Craig W.. Trinity College Hartford; Estados Unidos Fil: Sennikov, Alexander. Russian Academy Of Sciences; Rusia Fil: Smith, Gideon F.. Nelson Mandela Metropolitan University; Sudáfrica. Universidad de Coimbra; Portugal Fil: Stevens, Peter F.. Missouri Botanical Garden; Estados Unidos. University of Missouri; Estados Unidos Fil: Yang, Zhu-Liang. Kunming Institute Of Botany Chinese Academy Of Sciences; China Fil: Zhang, Xian-Chun. Chinese Academy of Sciences; República de China Fil: Zuccarello, Giuseppe C.. Victoria University Of Wellington; Nueva Zelanda

The Special Committee on Registration of Algal and Plant Names (including fossils) was established at the XVIII International Botanical Congress (IBC) in Melbourne in 2011, its mandate being to consider what would be involved in registering algal and plant names (including fossils), using a procedure analogous to that for fungal names agreed upon in Melbourne and included as Art. 42 in the International Code of Nomenclature for algae, fungi, and plants. Because experience with voluntary registration was key to persuading mycologists of the advantages of mandatory registration, we began by asking institutions with a history of nomenclatural indexing to develop mechanisms that would permit registration. The task proved more difficult than anticipated, but considerable progress has been made, as is described in this report. It also became evident that the Nomenclature Section needs a structure that will allow ongoing discussion of registration and associated issues. Simultaneously with this report we are submitting four proposals that would provide such a structure. Fil: Barkworth, Mary E.. State University of Utah; Estados Unidos Fil: Watson, Mark. Royal Botanic Gardens; Reino Unido Fil: Barrie, Fred R.. Field Museum of National History; Estados Unidos Fil: Belyaeva, Irina V.. Royal Botanic Gardens; Reino Unido Fil: Chung, Richard C. K.. Forest Research Institute Malaysia; Malasia Fil: Dašková, Jiřina. National Museum; República Checa Fil: Davidse, Gerrit. Missouri Botanical Garden; Estados Unidos Fil: Dönmez, Ali A.. Hacettepe Üniversitesi; Turquía Fil: Alexander B. Doweld. National Institute of Carpology; Rusia Fil: Dressler, Stefan. Senckenberg Forschungsinstitut und Naturmuseum; Alemania Fil: Flann, Christina. Naturalis Biodiversity Center; Países Bajos Fil: Gandhi, Kanchi. Harvard University; Estados Unidos Fil: Geltman, Dmitry. Institute of the Russian Academy of Sciences; Rusia Fil: Glen, Hugh F.. Forest Hills; Sudáfrica Fil: Greuter, Werner. Freie Universität Berlin; Alemania Fil: Head, Martin J.. Brock University; Canadá Fil: Jahn, Regine. Freie Universität Berlin; Alemania Fil: Janarthanam, Malapati K.. Goa University; India Fil: Katinas, Liliana. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División de Plantas Vasculares; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Kirk, Paul M.. Royal Botanic Gardens; Reino Unido Fil: Klazenga, Niels. Royal Botanic Gardens; Australia Fil: Kusber, Wolf Henning. Freie Universität Berlin; Alemania Fil: Kvaček, Jiří. National Museum; República Checa Fil: Malécot, Valéry. Université d’Angers; Francia Fil: Mann, David G.. Royal Botanic Gardens; Reino Unido. Institute for Food and Agricultural Research and Technology; España Fil: Marhold, Karol. Charles University; República Checa Fil: Nagamasu, Hidetoshi. Kyoto University; Japón Fil: Nicolson, Nicky. Royal Botanic Gardens; Reino Unido Fil: Paton, Alan. Royal Botanic Gardens; Reino Unido Fil: Patterson, David J.. University of Sydney; Australia Fil: Price, Michelle J.. Conservatoire et Jardin botaniques de la Ville de Genève; Italia Fil: Prud'homme van Reine, Willem F.. Naturalis Biodiversity Center; Países Bajos Fil: Schneider, Craig W.. Trinity College; Estados Unidos Fil: Sennikov, Alexander. University of Helsinski; Finlandia Fil: Smith, Gideon F.. Nelson Mandela Metropolitan University; Sudáfrica Fil: Stevens, Peter F.. Missouri Botanical Garden; Estados Unidos. University of Missouri-St; Estados Unidos Fil: Yang, Zhu-Liang. Chinese Academy of Sciences; República de China Fil: Zhang, Xian-Chun. Chinese Academy of Sciences; República de China Fil: Zuccarello, Giuseppe C.. Victoria University of Wellington; Nueva Zelanda

SEM and EDX analyses were used to characterize the morphologies of the scales formed on the Fe—24Cr—5V—Pd and Fe—24Cr—5Mo—Pd alloy systems in air at 900°C. SEM observations revealed that porous and non-protective FeCr2O4 scales were formed on the Fe—24Cr—5V—Pd alloy system. Addition of Pd has no influence on the oxidation performance of the Fe—24Cr—5V alloy. However, thin and adherent Cr2O3 scales were formed on the Fe—24Cr—5Mo—Pd alloy system. The EDX analyses showed that Pd was enriched at the oxide—alloy interface of the Fe—24Cr—5Mo—3Pd alloy. This Pd-enriched layer provided a fast diffusion path for Cr to form Cr2O3 oxide scales.

(Pyrrolidine)- and (piperidine)acetates are efficiently synthesized via radical cyclization of β-aminoacrylates.

Cases of radiation-induced glioma in humans are extremely rare. A 2-year-old boy with acute lymphocytic leukemia had received prophylactic cranial irradiation (2400 rad/2 1/2 weeks) and intrathecal methotrexate. Five years later he developed a glioblastoma multiforme on the left cerebral hemisphere while the leukemia was in remission. This is the first reported association of these disorders. It is possible that the glioma may have been induced by radiation and/or chemotherapy.