JOURNAL 
oF 
The New York Botanical Garden 
EDITORS 
(Nos. 193-199) 
ARLOW BURDETTE STOUT 
Director of the Laboratories 
(Nos. 200-204) 
FRANCIS WHITTIER PENNELL 
Associate Curator 
VoLUME XVII 
WITH 24 PLATES 
1916 
PUBLISHED FOR THE GARDEN 
At 41 Nort Quxen Srruet, Lancastsr, Pa. 
Tue New Era Printing Comrany 
Tue New Era Prin 
Tue New Era Prin 
