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 



^ FEB ?.7" 1937 



<2^v 



\ 



./ 



Division of Radiation and Organisms 

 Smithsonian Institutiaai.^ . 



(PUBLICATrON 3406) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 

 FEBRUARY 27, 1937 



