ACKNOWLEDGMENTS 



The author desires to express his thanks to Prof. 

 Charles R. Barnes, of the University of Chicago, Prof. 

 F. W. Woll, of the Wisconsin Agricultural Experiment 

 Station and Mr. F. Cranefield, the author's assistant in 

 horticulture, for revision of the manuscript (of the 

 first edition) , and for many valuable suggestions. 



Figures 14, 15, 18, 19, 20, 21, 22, 28, 29, 30, 34, 46, 

 47, 48, 49, 53, 54, 55 and 83 were copied from "Agri- 

 cultural Botany, ' ' with the sanction of the author, Prof. 

 M. C. Potter, of the Durham College of Science, Eng- 

 land. Figures 61, 62, 63, 82, 84, 94, 98, 100, 101, 102, 

 103, 113, 117, 118, 119, 120, 121, 123 and 128 are from 

 "The Nursery Book," by Prof. L. H. Bailey, and are 

 used by permission. Figures 31, 59, 81, 85, 99 and 130 

 are from "The Amateur Fruit Book," by Prof. S. B. 

 Green, and are used by permission. Figure 32 is from 

 a photograph kindly loaned by Prof. Green. Figures 

 37, 39, 40, 41, 42 and 44 are copied by permission of 

 the publishers from "Barry's Fruit Garden." Fig- 

 ures 94 and 95 are from "How to Make the Garden 

 Pay, " by T. Greiner, and are used by permission. Fig- 

 ures 65 and 66 were copied by permission from Bulle- 

 tin No. 37, of the Rhode Island Agricultural Experi- 

 ment Station. Figures 77, 78 and 79 are from cuts in 

 the possession of the Wisconsin Agricultural Experi- 

 ment Station. 



