297 
NOTES, NEWS. AND COMMENT 
Professor Henry Allan Gleason of the University of Michigan 
spend two months in the study of North American Ironweeds, 
the genus Vernonia and near allies. Professor em published 
some years ago a preliminary revision of Vernonia and he is now 
American Flora. The same a of the Flora will also contain 
the family Fae the manuscript for which, — 
perhaps the genus Xanthium, will be fieaibel by Dr. P. A. Ryd- 
berg. 
‘Professor Frederic S. Lee, of Columbia University, has been 
sent to England and France on a special mission by the United 
States Public Health Service. 
A large collection of fungi was brought in on eee 24, 
from Scarsdale, New York, by Mrs. I. Martin and M .M. 
2 It contained, among many interesting species, a speci- 
men of Grifola Sumstinei. On September 25, Mrs. Keeler col- 
lected in the same locality a Aetse of Clitecybe subconnexa and 
presented it to the Garden herbarium. ‘This species was first 
collected in the New York Botanical Garden and had been known 
only from the original collection. 
Dr. E. W. Olive, of the Brooklyn Botanic Garden, spent some 
time during the past summer assisting government and state 
agents in locating plant diseases and instructing farmers how to 
n 
disease of wheat eee in Virginia and the potato wart disease 
discovered in Pennsylvania. 
