A Magazine of General Botany 



ii- 



VOLUME 17 

 NUMBER 3 

 MARCH 1914 



OONTAININO 



The Effect of Dust from Cement Mills on the Setting of Fruit 



By Paul J. Anderson 57 



Agriculture in the Nile Valley 



By Godfrey Sykes 69 



Books and Current Literature 76 



Notes and Comment 80 



PUBLISHED MONTHLY 



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TUCSON. ARIZONA 



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Entered as second-class matt<>r March 9, 1912, at the post office at Baltimore, Maiyland, under the Act of July 16, 1894 



