

A Journal of General Botany 



VOLUME 2 2 5^il^»» 



t^gl^ 





NUMBER 3 V^A / 



MARCH, 1919 



CONTAINING 



The Classification of Vascular Plants : A Review. Henry S. Conard 59 



The Flora of the Pine Belt of the San Antonio Mountains of Southern 

 California. I. M. Johnston 71 



Books and Current Literature 91 



Notes and Comment 94 



PUBLISHED MONTHLY 



OFFICE OF PUBLICATION 



2419-21 Greenmount Ave. 



baltimore, md. 



EDITORIAL OFFICE 



TUCSON, ARIZONA 



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v; 



Entered as second-class matter March 9, 1912, at the post office at Baltimore, Maryland, under the act of July 16, 1894 



