+ One of a Millidn— You! 
Volunteer for RED CROSS 
Enlist now for the Third Roll Call. 
Twenty Million members are to 
be enrolled November second to 
eleventh, inclusive. Your heart, 
your hand, your dollar is needed 
in order to keep the pledge 
abroad and to fulfill demands at 
home. Give one week's service 
to^ Humanity— It pays your con- 
science the biggest dividend on 
Americanism. 
NOTICE 
On account of the increased cost of pub- 
lication it will be necessary to advance 
the subscription price of the American 
Journal of Botany to 
Six Dollars a Volume 
beginning with Volume VII, January, 
1920. 
American Journal of Botany 
