ILI^USTRATIONS. 9 



Diseases of wild plants — Continued. Page. 



Purslane 101 



Rain lily 101 



Rivina 101 



Ruellia 101 



Sage ; 101 



Seuna 101 



Smilax 102 



Sunflower 103 



Tick trefoil 103 



Trompillo 103 



Vincetoxicum 103 



Virgin 's-bower 104 



Water cress 104 



Water willow 104 



Wild gourd 105 



Wild tobacco 105 



Wind flower 105 



Wood sorrel 105 



Yucca 106 



Index to literature 107 



Description of plates 109 



Index 113 



ILLUSTRATIONS 



PLATES. 



Page. 



Plate I. Species of Cercospora from various hosts, No. 1 112 



II. Species of Cercospora from various hosts, No. 2 112 



III. Species of Cercospora from various hosts. No. 3 112 



IV. Species of Cercospora from various hosts, No. 4 112 



V. Various genera of Fungi Imperfecti on different hosts 112 



VI. Species of Colletotrichum, Cylindrosporium, and Septoria on various 



hosts 112 



VII. Fungi from various hosts 112 



VIII. Fig. 1. — Leaflet of the date palm, showing numerous pustules of 

 Graphiola phoenicis. Fig. 2. — Leaf of grape, showing numerous 

 blotches due to Cercospora viticola. Fig. 3. — Bacterial twig- 

 canker of the plum 112 



IX. Fig. 1. — Roots of tomato plant deformed by nematodes. Fig. 2. — 

 Root-knot of muskmelon due to nematodes. Fig. 3. — Leaves of 



Lima bean showing leaf -spot due to Cercospora canescens 112 



X. Fig. 1. — Young watermelons affected with blossom-end blight and 

 rot. Fig. 2. — Tuber of potato, showing nodules formed by Rhizoc- 

 tonia. Fig. 3. — Cymling almost destroyed by Botrytis cinerea 112 



XI. Fig. 1. — Inflorescence of feather grass attacked by Balansia 

 hypoxylon. Fig. 2. — Portion of a leaf of sorghum affected with 

 blight due to Colletotrichum lineola. Fig. 3. — Roots of cotton 

 affected with root-rot due to a new species of sterile fungus 112 



226 



