xviii Contents 



PAGE 



D. Diseases Due to Parasitic Bacteria or Fungi 



E. Diseases Induced by Parasitic Flowering 



Plants 



CHAPTER VII 

 POOR SEED 92 



PART III 

 SPECIFIC DISEASES OF TRUCK CROPS 



CHAPTER VIII 



FAMILY AGARICACE^: . . . .103 



Diseases of the Mushroom 



CHAPTER IX 



FAMILY ARALIACE.E . . . . . 108 



Diseases of the Ginseng 



CHAPTER X 



FAMILY CHENOPODIACE^E 116 



Diseases of the Beet 

 Diseases of the Spinach 



CHAPTER XI 



FAMILY COMPOSITE 137 



Diseases of the Artichoke (Jerusalem) 

 Diseases of the Artichoke (Globe) 

 Diseases of the Lettuce 

 Diseases of the Salsify 

 Diseases of the Sunflower 



