LIST OF ILLUSTRATIONS 



XIX 



Fig. 

 99 



lOO 

 lOI 

 102 



103 



104 

 105 



106 

 107 



108 

 109 

 no 

 III 



112 

 114 



"5 



116 

 117 



118 

 119 



120 



121 

 122 



123 

 124 

 125 

 126 



127 

 128 



130 



132 

 133 

 134 

 135 

 136 



137 

 138 

 139 

 140 

 141 

 142 



143 

 144 



145 



146 



147 

 148 

 149 

 150 



No. 



Corn Smut .... 

 Incidence of internal Boll Disease 

 Internal injuries to Cotton Bolls (St. Vincent, etc.) 

 Angular Leaf-spot of Cotton 

 Bacterial Boll Disease of Cotton 

 Anthracnose of Cotton Bolls 

 Curly-leaf Cotton, top view . 

 „ side view 

 Loggerhead Cotton, young plants 



,, „ old plant 



West Indian Leaf Mildew of Cotton 

 Marasmius Mycelium on Sugar Cane 

 Fructifications of Marasmius associated with acute Root 



Disease of Sugar-cane (Trinidad) 

 Acute type of Root Disease : Infestation of young plant 



cane with Marasmius (Barbados B 6032) 

 Acute type of Root Disease : Buds of young plant cane 



infested with Marasmius 

 Fructification of Odontia Sp. on Sugar-cane 

 Odontia sacchari cystidium and basidium with single 



spore ..... 

 Himantia Stellifera, Mycelium on Sugar-cane 

 Himantia Stellifera ; Hypha, with stellate crystal and 



swollen bodies ..... 

 Red Rot of Sugar-cane .... 

 Colletotrichum falcatum . . . , 



Rind Fungus of Sugar-cane 



Melanconium Sacchari, vertical section of Stroma. 

 Thielaviopsis paradoxa, Sporophores of Micro- and Macro- 

 conidia 

 in Sugar-cane cutting 

 in cells of Sugar-cane 

 Cephalosporium Sacchari 

 Ustilago Sacchari 

 Gnomonia Iliau, vertical section of Perithecium and Asci 

 Melanconium Iliau, Stromata and Conidia 

 Cytospora Sacchari, surface and sectional views of 



Pycnidia, spore and sporophore 

 Cercospora vaginae ..... 

 Ring-spot of Sugar-cane (Leptosphaeria Sacchari) . 

 Leptosphaeria Sacchari : Asci and spore 

 Helminthosporium Sacchari 

 Eriosphieria Sacchari : Asci and spore . 

 Cercospora Kopkei ..... 

 Cercospora longipes .... 



Mosaic Disease of Sugar-cane : Stem canker 

 Chlorosis of Sugar-cane .... 

 Vasculomyces Xanthosomae 

 Burning Disease of Arrowroot 

 Bacterial Rot of Onion .... 

 Anthracnose of Bean .... 



Stem Rot of Papaw. .... 



Base Rot of Pineapple cuttings . 

 Cross Section of Pineapple Fruit, showing two infections 



of Black-eye 

 Thielaviopsis : Soft Rot of Pineapple 

 Blossom-end rot of Tomato 

 Septoria Leaf-spot of Tomato 

 Black Spot of Rose . 

 Rose Mildew .... 



Page 



to face 258 



267 



269 



to face 270 



.. 270 



270 



270 



.. 272 



.. 274 



.. 274 



.. 274 



,. 288 



„ 288 



„ 288 



„ 288 



„ 288 



291 

 to face 292 



293 

 to face 298 



299 

 to face 302 



299 



304 

 307 

 307 

 309 

 313 

 315 

 315 



316 

 319 

 to face 318 

 319 

 320 

 321 



321 



322 



324 

 to face 326 

 332 

 to face 332 

 332 

 342 

 342 

 344 



344 

 346 

 352 

 352 

 362 

 362 



