Vol. VI. 
DECEMBER, 1919 
No. 10 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
FEB 4 1950 ■ 
CONTENTS 
lofluence of sugars on the growth of albino plants. 
' L. KnUDSON AND E. W. LiNDSTROM 4OI 
Variations in Pleurage curvicolla ( Wint.) Kuntze ...... J. L. W^imer 406 
Inheritance of sex in Mercurialis annua . . . . . . . . . Cecil Yampolsky 410 
Germination and further development of the embryo of Zea Mays separated 
of the ermndosperm Demetrius Ion Andronescu 443 
Index to Volume VI . . 453 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At 41 North Queen Street, Lancaster, Pa. 
Entered as second-class matter February 21, 1914, at the post office at Lancaster, Pennsylvania, 
under the act of March 3, 1879 
