The 



Pi ant World 



A Mag^azine of General Botany 





VOLUME 10 





U M B E R 2 





FEBRUARY 1913 





CONTAINING 





Experimental Study of the Effect of Some Nitrogenous Soil Constitu- 

 ents on Growth. Nucleic Acid and its Decomposition Products 





By Oswald Schreiner and J. J. Skinner 



45 



Behavior of Asparagus Plumosus Toward Gravitation and Light 







61 



Books and Current Literature 



69 



Notes and Comment 



71 



PUBLISHED MONTHLY 



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EDITORIAL OFFICE 

 TUCSON, ARIZONA 





Enterorl as 8econd-< lass matter March 9. 1912, at the post office at Baltimore, Maryland, under the Act of July 16. IS94 



