2 s y. 



Gbe "dntverstts of Chicago 



SOME EFFECTS OF ETHYLENE ON 

 THE METABOLISM OF 



PLANTS 



A DISSERTATION 



submitted to the faculty of the ogden graduate school 



of science in candidacy for the degree 



of doctor of philosophy 



(department of botany) 



EDWARD MARIS HARVEY 



Reprinted from 



The Botanical Gazette, Vol. LX, No. 3 



September 191 5 



