SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 87, NUMBER 16 



/ 



I ; JAN 17 193; 



IRoeblino dFunb \^fr,cE i<m«i 



CARBON DIOXIDE ASSIMILATION IN 

 A HIGHER PLANT 



(With Two Plates) 



BY 



W. H. HOOVER, EARL S. JOHNSTON, AND F. S. BRACKETT 



Division of Radiation and Organisms, Smithsonian Institution 



[Publication 3186) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JANUARY 16, 1933 



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