x CONTENTS 



CHAPTER PAGE 



XII. FUNGI IMPERFECT: '. . . .'. r* . . . . 285 



I. Hyphomycetes .... * ;': ;,.... . . 286 



II. Melanconiales .' . . . . . . . ; . '. . . 288 



III. Sphaeropsidales 289 



IV. Potato Scab . . . . . . . . . . . . . 290 



V. Bud Rot of Carnations . ' .... . . . 293 



VI. A Pink Rot following Apple Scab 295 



VII. Ramularia . . ' ;/. '; - I ; WV 296 



VIII. Cercosporella . . / v ^-.'-. / . * . . . 297 



IX. Rice Blast . . . V'. -v; ^ ;;./ v . . . 297 



X. Polythrincium ... .' ;' ; . ''.'"". '"V* . . . 298 



XI. Peach and Apricot Scab / . . . 299 



XII. Cladosporium : Other Species .....'.. 300 



XIII. Early Blight of the Potato . . . . . > . . . 301 



XIV. Onion Mold . ... . . .- ; . . . . . 304 



XV. Macrosporium : Other Species 304 



XVI. Blight of Ginseng . . . .-. ... , . . 305 



XVII. Leaf Spot of Beets . ......''...'. . 309 



XVIII. Early Blight of Celery . -.. . ; 312 



XIX. Leaf Blight of Cotton . . .-, ; ; . ;-'. . . 313 



XX. Cercospora: Other Species . ; ^ . . t . . 314 



XXI. Spongy Dry Rot Fungus of Apple 316 



XXII. Dry Rot of Potatoes 317 



XXIII. Flax Wilt 319 



XXIV. Fusarium: Other Species . . . ./ ; '. . . 320 

 XXV. Root Rot of the Vine . . . .;V.^. -, , . . 321 



XXVI. Anthracnose of Bean . . *>,/. , 322 



XXVII. Anthracnose of Cotton 325 



XXVIII. Wither-Tip and Spot of Citrus Fruits ... . 327 



XXIX. Anthracnose of Clover and Alfalfa . i V .- . 328 



XXX. Anthracnose of Snapdragon . . >- : . i . . . . 329 



XXXI. Colletotrichum : Other Species 330 



XXXII. Gloeosporium .- *' ; 330 



XXXIII. Anthracnose of Grape . . ; ' . : ' ; ! . . 332 



XXXIV. Anthracnose of Raspberry and Blackberry . . . 334 

 XXXV. Glceosporium : Other Species 335 



XXXVI. Marsonia .*'*$& 33 6 



XXXVII. Peach Blight .:/'...... ...... 336 



XXXVIII. Leaf Blight of Cranberry 338 



XXXIX. Shot-Hole Disease of Plum and Cherry . > . . . 339 



XL. Fruit Spot of Apple 341 



XLI. Heart Rot and Blight of Beets . / . ' .- . . . 343 



XLII. Dry Rot of Sweet Potato V / : i . . .' . . 344 



XLI 1 1. Seedling Stem Blight of Eggplant . . , . . . 345 



