PREFACE V 



trips, the author wishes to express his thanks and high 

 appreciation to Dr. Lewis S. Ware of Paris, author of 

 "Sugar Beet Seed"; M. Philippe de Vilmorin, of 

 Vilmorin, Andrieux & Co., sugar-beet seed growers, 

 Paris; Mr. Ernst Giesecke, Director Clerc and Captain 

 Troje of Rabbethge & Giesecke, sugar-beet seed growers, 

 Kleinwanzleben, Germany; Mr. J. P. Dud ok van 

 Heel, of Kuhn & Co., sugar-beet seed growers, Naar- 

 den, Holland; Mr. M. Ritter von Wohanka, Dr. H. 

 Briem and Mr. K. Rossam, of Wohanka & Co., sugar- 

 beet seed growers, Prague and Yenc, Bohemia. The 

 author also wishes to thank the following, who have 

 reviewed portions of his manuscript: Dr. Harvey W. 

 Wiley, who supervised the raising of the first com- 

 mercial sugar-beet seed grown in America; Dr. Hans 

 Mendelsohn, who for several years past has been in 

 charge of extensive sugar-beet seed operations in Colo- 

 rado, Nebraska, and Montana; Dr. C. 0. Townsend, 

 director of the sugar-beet seed experiments conducted 

 by the United States Department of Agriculture, and 

 Mr. W. K. Winterhalter, who manages large sugar- 

 beet seed farms in Idaho. 



