THE PLANT WORLD 



A Monthly Magazine of General Botany 



Established 18!»7 



Edited by 

 FORREST SHREVE 



Published by 



THE PLANT WORLD ASSOCIATION 



Volume 16 



OFFICE OF PUBLICATION 

 2419-21 York Road 

 baltimore, md. 



EDITORIAL OFFICE 



TUCSOX, ARIZONA 



1913 



