130 
Dr. William A. Murrill, assistant director, will spend part of 
the summer in Europe prosecuting his studies of the larger fungi 
at several museums and in consultation with other experts, look- 
ing toward the completion of the manuscript for two parts of 
NortH AMERICAN FLora after his return. e will also arrange 
for additional exchanges of duplicate specimens with European 
institutions and will investigate the reported detrimental effect 
of dust from tar-surfaced driveways on vegetation in Paris. 
Professor A. G. Tansley, of Cambridge University, England, 
editor of the New Phytologist, visited the Garden on May 12. 
Professor Tansley will spend the greater part of the summer in 
America visiting botanical centers and participating in the phyto- 
geographical excursion which is planned for the summer. 
Dr. E. P. Felt, state entomologist, visited the Garden on May 
treatment of this pest. He also went through the propagating 
house and noted the condition of the cactuses which have been 
subjected to serious infection by insects 
Professor Ezra Brainerd, of Middlebury College, Vermont, 
recently spent a day at the Garden examining violets in continua- 
tion with his studies in the genus Viola. 
Through the kind liberality of Mrs. Florence Lydig Sturgis, 
the collection of Japanese flowering cherry trees presented by her 
two years ago has been supplemented by seventy-five additional 
north of the Long Bridge. The trees planted two years ago 
flowered very freely and beautifully this spring and attracted 
much attention. The additional trees presented by 
Sturgis are small, but should commence to show éoriniderable 
bloom next year. 
