CONTENTS XV 



Canker. Branch Galls. Anthracnose of Lime. Grey Blight. Page 

 Leaf Spots. {Seedling Diseases — see Damping ofE) - - 196 

 Citrus Trees in General. 



Citrus Anthracnose. Gummosis. Foot-rot or Mal-di-goma. 

 Scaly Bark. Scab. Black Melanose. Citrus Canker. Diseases, 

 Injuries and Rots of Citrus Fruit - - - _ _ 210 



CHAPTER XX : DISEASES OF COFFEE. 



Viruela, American Leaf Disease. Brown Eye-spot. Zonal Leaf 

 Spot. Bark Disease. Nematode Diseases. Sclerotium 

 Disease of Liberian Coffee. {Rosellinia Root Disease. Thread 

 Blights. Algal Disease — see General Diseases) - - _ 225 



CHAPTER XXI : DISEASES OF HEVEA. 



The South American Leaf Disease — — — — — — 232 



CHAPTER XXII : DISEASES OF MINOR FRUIT TREES. 



Avocado. 



Anthracnose --__--___ 235 

 Date Palm. 



Leaf Disease. Fomes Stem-rot _____ 236 



Grape- Vine. 



Anthracnose. Powdery Mildew. Rust _ - _ _ 236 

 Mango. 



Anthracnose. _______ 237 



Nutmeg. 



Canker. Perforated Leaves. {Red Rust. Rosellinia Root 



Disease. Thread Blight — see General Diseases) _ - - 239 



SECTION III.— DISEASES OF ARABLE CROPS 



CHAPTER XXIII : DISEASES OF BANANA. 



Banana Wilt, Panama Disease. Marasmius Root Disease and 

 Stem Rot. The Moko Disease. Eelworm Black-rot. Black 

 Spot of Leaves. Bonnygate Disease. Blackhead Disease. 

 Heart-leaf Disease -------- 241 



CHAPTER XXIV : DISEASES OF CORN AND SORGHUMS. 



Corn. 



Brown Rust. Red Rust. Smut. Head Smut. Leaf Scorch. 



Dry Rot. Root Disease. Minor Diseases _ _ _ 256 



Sorghums. 



Rust. Kernel Smut. Head Smut. _ _ _ 261 



CHAPTER XXV : DISEASES OF COTTON. 



Internal Boll Disease. Angular Spot. Black Arm. Bacterial 

 Boll Disease. Soft Rot of Bolls. Diplodia Boll Rot. Anthrac- 

 nose. Curly Leaf, Chibble Leaf. Loggerhead. Rust. 

 Red Leaf Blight. Yellow Leaf Blight. Macrosporium Leaf- 

 spot. Altemaria Leaf-spot. Leaf Mildew. Crinkled Dwarf, 

 Man Cotton, Mottled Hybrids - - - - - - zf^ 



