The 
Plant World 
a jBaga?tne of popular isotaup 
VOLUME 8 
NUMBER 1 
JANUARY, 1905 
Containing 
Physiological Drought in Relation to Gardening, Professor Isaac 
Bayley Balfour . i 
A Summer in the Tropics. Mary M. Brackett . 6 
An Unusual Begonia. Ada Watterson . ... 12 
The Wild Flower Preservation Society of America. 
Minutes of the Philadelphia Meeting.14 
A Curious White Oak. C. M. Mansfield. 17 
Editorial ..18 
The Teachers Department. 
Biology and Physical Science as Taught in Russian Secondary 
Schools. Fannie Kagan . 20 
An Anomalous Structure on the Leaf of a Bean Seedling. M.C. C. 22 
Reviews.23 
Notes. 23 
Lancaster, Pa. & New York 
u 
Copyright applied for by Francis Ernest Lloyd. 
Application made for entry as Second-Class Matter at the Lancaster, Pa Post-Office. 
