SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 95. NUMBER 21 



THE DEPENDENCE OF CARBON DIOXIDE ASSIMILATION 



IN A HIGHER PLANT ON WAVE LENGTH 



OF RADIATION 



(With Three Plates) 



BY 

 W. H. HOOVER 



Division of Radiation and Organisms, 

 Smithsonian Institution 



(Publication 3406) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 

 FEBRUARY 27, 1937 



