CONTENTS 



PAGE 



Introduction i 



CHAPTER 



I History, Evolution, Classification and 



Culture 9 



II Culture of the Sweet Pea for Seeds . 60 



III Culture of Sweet Peas Under Glass . 74 



IV Diseases of Greenhouse Sweet Peas . . 90 

 V Field Diseases of Sweet Peas . . . .135 



VI Diseases Not Yet Known in America . 149 



VII Insect Pests 152 



VIII Diseased Seeds 176 



IX Physiological Diseases 181 



X Methods of Control 185 



XI Spraying 204 



Index 227 



