J I 



A Magazine of General Botany 



VOLUME 17 

 ISr U M B E R 11 

 :N'0VEMBER, 1914 



Transpiration of Silphium Laciniatum L. 

 L. A. Giddings 



The Longevity of Submerged Seeds 



George Harrison ShuU 



Books and Current Literature 



Notes and Comment 



309 



329 

 338 

 34.1 



PTTBLISHED MONTHLY 



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baltimore, md. 



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Entered as secord-i-lasa matter March 9, 1012, at the post office at Baltimore, Maryland, under the Act of July 16, 1894 



