Vol. VII. MARCH, 1920 No. 3 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
APR 19)921 
The length of the life cycle of a climbing bamboo. A striking case of sexual 
periodicity in Chusquea abietifolia Griseb William Seifriz 83 
Sex intergradation in the flowers of Mercurialis annua. . . Cecil Yampolsky 95 
The upward translocation of foods in woody plants. I. Tissues concerned in 
translocation Otis F. Curtis ioi 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
At 41 North Queen Street, Lancaster, Pa 
BY THE 
BROOKLYN BOTANIC GARDEN 
BROOKLyN, N. Y. 
Entered as s«eohd-clas« in*tt«r F«bruary ai, 1914, at the post ofRce at Laacaster, Pennsylvania, 
under the act of March 3^ 1S79 
