Notes on Tropical Rusts with Descriptions of Two New Species

By checking these specimens with the numbers and dates given in Arthur's paper, it was found that many were duplicates of those already studied. In most instances all data except num? bers and date of collection were missing. S. F. Blake identified many of the hosts and others were determined from the rust present. The interesting rust on Senecio sp. was found by S. F. Blake while examining some specimens of plants from Venezuela. Specimens of the two new species have been sent to Dr. Arthur and he also believes them to be undescribed.