ILLUSTRATIONS. 9 



Diseases of wild plants — Continued. Page. 



Purslane 101 



Rain lily 101 



Rivina 101 



Ruellia 101 



Sage 101 



Senna 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 Imperfect! 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 



