CONTENTS. 



CHAPTER I. 



PAGE 



INTRODUCTORY 1 



CHAPTER II. 



CLOVER SICKNESS CLOVER MILDEW. Peronospora tri- 



foliorum, D.By 6 



CHAPTER III. 



PERONOSPORA EXIGUA, W.SM. . . . .12 



CHAPTER IV. 



NEW DISEASE OF POTATOES. Peziza postuma, Berk, and 



Wils 15 



CHAPTER V. 



FUSISPORIUM DISEASE OF POTATOES. Fusisporium 



Solani, Mart 30 



CHAPTER VI. 

 SMUT OF POTATOES. Tubercinia scabies, B. ... 35 



