CONTENTS. 



CHAPTER XXIX. 



PAGE 



MILDEW OF PARSNIPS. Peronospora nivea, Ung. .. . 239 



CHAPTER XXX. 

 BUNT OF WHEAT. Tilletia Caries, Tul. . . . 245 



CHAPTER XXXI. 



SMUT OF CORN. Ustilago carlo, Tul 254 



CHAPTER XXXII. 



TARE OR VETCH, AND PEA MOULD. Peronospora vicice, 



Berk 263 



CHAPTER XXXIII. 

 PEA MILDEW. Emjsiplie Martii, Lk 266 



CHAPTER XXXIV. 



LETTUCE MILDEW. Peronospora ganglioniformis, Berk. 269 



CHAPTER XXXV. 



POTATO DISEASE, I. Peronospora infestans, Mont. Its 



Active State , 2 ' 5 



