254 
zation in heredity and evolution." He also took occasion on the 
same trip to visit the Bussey Institute of Harvard University. 
Professor J. J. Thornber, botanist to the University and Experi- 
ment Station of Arizona has just returned to his work after a 
twelve months leave of absence. Professor Thornber has spent 
the past year at the Smithsonian Institution in Washington, D. C., 
where he has been engaged in writing a manual of the flora of 
Arizona. 
Mr. J. S. Cooley, assistant in plant pathology in the Virginia 
Experiment Station, will occupy a fellowship at the Missouri 
Botanical Garden during the coming academic year. 
A botanic garden of one and a half acres is being developed at 
Grinnell College, Iowa, under the direction of Professor Henry 
S. Conard. It is primarily a teaching garden, and now contains 
about 300 species and varieties of herbs and shrubs. 
Miss Elena R. Prats, who recently graduated from Columbia 
University, has accepted a position as instructor in biology in the 
College of Agriculture and Mechanic Arts of the University of 
Porto Rico. 
Professor Thomas H. Macbride, professor and head of the 
department of botany, State University of Тоха, has been 
granted leave of absence for the year 1912-13, and is spending 
the year in botanical exploration in the western states. The 
latter part of the summer was spent in a mycological survey of 
the region near the snow line of Mt. Ranier with special reference 
to the Myxomycetes of that locality. 
Mrs. Blanche Trask, of Los Angeles, California, who has 
brought to light many interesting facts about the peculiar flora 
of Santa Catalina Island, is recovering from a long illness, and 
is shortly to return to Santa Catalina to pursue further field 
studies. 
Mr. F. Tracy Hubbard, of the Gray Herbarium, spent the 
summer in the study of the Gramineae at the grass herbarium 
of the United States Department of Agriculture and in field work 
in Maryland and Virginia. 
Professor A. S. Hitchcock, systematic agrostologist of the 
