The 



Plant World 



A. liCn 71 Tl ft O'f 1^ ATI AT* a1 T^oflDll V 





VOLUME 16 





N U M B E K T 





JULY 1913 





CONTAIN I NO 





The Vegetation of Cold Spring Harbor, Long Island. I. The Littoral 

 Successions 



By Edgar Nelson Transeau 



189 



A Northern Prickly Pear 



By J. C. Blumer 



210 



Books and Current Literature 



213 





218 



PUBLISHED MONTBLT 



OFFICE OF PUBLICATION 

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EDITORIAL OFFICE 

 TUCSON, ARIZONA 





Eintered m second-claaa matter March 9, 1012. at the post office at Baltimore, Maryland, under the Act of July 18, 1S94 



