The 
Plant World 
a ittap?tnc of popular oaotanp 
VOLUME 8 
NUMBER 6 
JUNE, 1905 
Containing 
A Botanist’s Trip ta Java. Francis Ramale\. 139 
Cactus as a Forage Plant. W J. Spillman .150 
The Spring Flower Show at the Orchard Street School.152 
The Wild Flower Preservation Society of America. Announcement . 154 
A Plea for the Wild Flowers.155 
The Teahers’ Department: 
The Anti-Ferment Reaction in Tropistic Movements of Plants. 
C. S. G .156 
Modification of Detmer’s Photosynthesis Experiment. C. S. G. 158 
Reviews : deVries’ Species and Varieties : their Origin by Mutation. 
(Conclusion.) C. S. G.159 
Lancaster, Pa. & New York 
Copyright, 1905, by Francis Ernest Lloyd. 
Entered as Second-Class Matter February g,igoj, at the Post-Office, at Lancaster, Pa., under the 
Act of Congress of March 3, i8yg. 
