HOW PLANTS ARE TRAINED 



TO WORK FOR MAN 



BY LUTHER BURBANK Sc.D 



GRAFTIXG AND BUDDIXG 



VOLUME II 



48891 



ONTARIO ^ 



EIGHT VOLUJ 



7MES • ILLUSTRATED 

 PREFATORY NOTE BY DAVID STARR JORDAN 



P. F. COLLIER & SON COMPANY 

 NEW YORK 



