Vol. II 
OCTOBER, 1915 
No, 8 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
"~ MOV 5 im 
CONTENTS ^ -^ilklBiJ^^ 
The Utilization of certain pentoses and compounds of pentoses by Glome- 
rella cingulata. Lon A. Hawkins 375 
The question of the toxicity of distilled water. . .R. P. Hibbard 389 
An anatomical study of Gymnosporangium galls ..... . Alban Stewart 402 
An extension to 5.99° of tables to determine the osmotic pressure of ex- 
pressed vegetable saps from the depression of the freezing point 
J, Arthur Harris 418 
Calcimn hypochlorite as a seed sterilizer. .James K. Wilson 420 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At 41 North Queen Street, Lancaster, Pa* 
Entered aa leoond-class matter February ai. 19x4. it the pont oi3ixx at Lancaster. Pennsylvania, 
under the act of March 3, 1879. 
