AN ACKNOWLEDGMENT 



Grateful thanks are due to Mr. W. A. Orton 

 of the United States Department of Agriculture, 

 and Dr. Marshall A. Howe of the New York 

 Botanical Gardens, whose help has made the 

 writing of this book a pleasure. 



To Dr. D. F. Jones of the Connecticut Experi- 

 ment Station at New Haven, Connecticut; Mr. 

 Richard Lohrmann and Mr. J. J. Broomall, of. 

 California; Mr. C. L. Mastick, of Oregon; Mr. 

 W. W. Wilmore, of Colorado; Mr. J. M. Rob- 

 erts, and Mr. Alt F. Clark, of New Jersey, are 

 due my thanks for valuable points on breeding 

 and combating diseases of dahlias. 



Last, and by no means least, I thank the pub- 

 lishers for their patience and kindly interest in 

 launching me upon my maiden voyage on the 

 great sea of garden literature. 



