114 
tanical Garden, prepared by Messrs. John R. Brinley and Louis 
F. Bird under the direction of the Endowment Committee of the 
Board of Managers, was exhibited during the month of April at 
the aves Library of Columbia University, and was studied by 
y persons interested in them. During the exhibit, Mr. Bird 
ee a lecture relative to ‘hese water colors to students of 
the Universit 
Dr. P. A. Rydberg, of the Garden staff, recently spent two 
weeks at the Gray Herbarium and the Arnold Arboretum, 
Cambridge, Mass., pursuing his studies of Rosa, Psoralea and 
related genera, and certain composites for North American Flora. 
Mr. S. F. Blake, of the Bureau of Plant Industry, Washington, 
D. C., spent several days at the Garden recently, studying the 
ae Polygalaceae, which he is monographing for North Amer- 
n Flor 
Mr. Henry G. Parsons, supervisor of gardening instruction, 
outlined the work being done by the Garden School in an address 
t the Municipal Building, New York City, on April 1 
The middle of April gave promise of coming delights in the 
Sargentii, Sargent's cherry; P. subhirtella, the rose-bud cherry; 
P. pendula, the weeping rose-flower cherry, all natives of Japan, 
and showing masses of pink flowers before our named Japanese 
varieties bloom. 
Magnolia stellata, a small, white-flowered Japanese species 
known as Hall's magnolia, was the first kind to bloom in 
magnolia collection, followed by the very aac Thurber's 
agnolia M. Kobus, of which there are several fine specimens in 
the Fruticetum, 
Meteorology for March._—The total precipitation for the month 
as I.12 inches. Maximum temperatures recorded for each 
