101 
Mr. J. B. Norton, physiologist in the Bureau of Plant Industry, 
was at the Garden several days during April for a study of her- 
barium specimens of Asparagus and Smilax. From New York 
Mr. Norton went to Concord, veo where he has charge 
of breeding experiments with Asparagus. 
Professor and Mrs. N. Wille sailed for Christiania, Norway, on 
May 1. Dr. Wille has been in America nearly eight months, 
most of which was spent in a study of the fresh water algae of 
Porto Rico under the auspices of the New York Botanical 
Garden. 
Dr. Rusby’s article on “The Influence of Radioactive Earth 
on Plant Growth and Crop Production” which appeared in the 
January issue of the Journal has been reprinted in Radium, 4: 
numbers 4 and 5 — in the Scientific American Supplement, 79: 
numbers 2048 and 2 
tie for April—tThe total precipitation for the month 
was 2. . es. The maximum temperatures for each week 
were 57° er 2d, 72° on the 8th and on the 18th, 92° on the 
25th, a 95° on the27th. The minimum temperatures were 26° 
on the 4th, 37° on the 8th, and 35° on the 15th and on the 22d. 
ACCESSIONS 
MUSEUMS AND HERBARIUM 
50 specimens, “ Phycotheca le XLI, for the Columbia 
University Herbarium. (Distibuted by Collins, Holden e Setchell.) 
i f L ne en by Mr. W. R. 
-) 
287 specimens of flowéring plants from Alberta. (Collected by Miss M. E. 
Moodie. : 
145 specimens 2 flowering plants from the Rocky Mountains. (Collected by 
aa L. 0. Over! io ts.) 
Texas. (Given by Mr. D. A. Saunders.) 
from Florida. (Given by Mr. Severin Rapp.) 
