II 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
JAN . . 
EDITORIAL COMMITTEK 
F. C. Newcombe, Editor-in-Chief 
University of Michigan 
C. Stuart Gager, Business Manager A. S. Hitchcock 
Brooklyn Botanic Garden Bureau of Plant Industry 
Irving W. Bailey L. R. Jones 
Bussey Institution University of Wisconsin 
H. H. Bartlett Edgar W. Olive 
University of Michigan Brooklyn Botanic Garden 
VOLUME III -1916 
WITH TWENTY-FOUR PLATES AND NINETY-FOUR TEXT FIGURES 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At 41 North Queen Street, Lancaster, Pa. 
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