vi PREFACE 



The purpose of the author has been, therefore, to con- 

 sider the principles that underlie the successful culture 

 of ornamental plants and to present them in such a way 

 that the book may be useful in the classroom. It is 

 also hoped that it may be of service in a useful way to 

 practical men. 



Illustrative material has been chosen largely from 

 those subjects which the author has found to be help- 

 ful in his own work. It is expected that it will be 

 supplemented by lantern slides and photographs illus- 

 trating the results of applications of the principles 

 herein contained. 



The author appreciates deeply the interest taken in 

 this work by men engaged in various floricultural occu- 

 pations and their hearty response to his requests for 

 information regarding various details of the business. 

 He is indebted also to his colleagues in Cornell Uni- 

 versity who have read the manuscript and have made 

 suggestions for increasing its usefulness. 



E. A. WHITE. 



DEPARTMENT OF FLORICULTURE, NEW YORK 

 STATE COLLEGE OF AGRICULTURE AT 

 CORNELL UNIVERSITY, ITHACA, N.Y. 

 April 1, 1915. 



