STIMULATION OF ROOT GROWTH IN CUTTINGS 

 BY TREATMENT WITH CHEMICAL COMPOUNDS 



A THESIS 



PRESENTED TO THE FACULTY OF THE GRADUATE SCHOOL 

 OF CORNELL UNIVERSITY FOR THE DEGREE OF 



DOCTOR OF PHILOSOPHY 



BY^^^ 



OTIS F.^CURTIS 



JUNE, 1916 



( Reprinted from Memoir No. 14, August, 1918, of Cornell University Agricultural 



Experiment Station) 



