Vol. ni. 
DECEMBER, 1916 
No. 10 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
The Uredinales found upon the Onagraceae. G. R, Bisby 527 
A study of permeability by the method of tissue tension S. C. Brooks 562 
Osbeck's Dagbok ofwer en ostindsk resa E. D. Merrill 571 
Index to Volume III 589 
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 offlce at Lancaster, Pennsylvania, 
under the act of March 3, 1879. 
