AMERICAN JOURNAL OF BOTANY 
Devoted to AH Branches of Botanical Science 
Established 1914, Monthly, except August and September, 
Official Publication of the Botanical Society of America 
Subscription, $6 a year. Volumes 1-8 complete , $58 post free. 
Foreign postage: to Canada, 20 cents; to other countries, 40 cents. 
Prices of odd volumes on request. 
ECOLOGY 
Devoted to All Forms of Life in Relation to Environment 
Established 1920. Quarterly. 
Official Publication of the Ecological Society of America 
Subscription, $8 a year. Back volumes, $3.50 post free. 
Foreign postage: to Canada, 10 cents; to other countries, 20 cents. 
GENETICS 
A Periodical Record of Investigations in Heredity 
and Variation 
Subscription, $6 a year. Bi-Monthly. 
Foreign postage: to Canada, 25 cents; to other countries, 50 cents. 
BROOKLYN BOTANIC GARDEN 
MEMOIRS 
Volume One contains 38 contributions on genetics, pathology, myecffSg^ A 
physiology, ecology, plant geography, morphology, and systematic botany. 
38 plates, 41 text figures. 
Price $3.50 plus postage. Weight, 4 pounds. 
Orders and correspondence should be addressed to 
The Secretary, Brooklyn Botanic Garden 
Brooklyn, N.Y., U.S.A. 
