512 



INDEX 



Tumor 464. 



Turnip 314. 



black rot 314, club root 315, 

 downy mildew 315, macro- 

 sporiose 315, powdery mildew 

 315, scab 315, white rust 315. 



Twig blight 445. 



Uncinula 



necator 164, salicis 451. 



Uncinulose 



elm 439, grape 164, poplar 447, 

 willow 451. 



Uredo Fici 191. 



Urocystis 



Agropyri 396, cepulse 247. 



Urocystose 396. 



Uromyces 



appendiculatus 201, Beta; 209, 

 caryophyllinus 455, striatus 383, 

 Trifolii 387. 



Ustilaginoidea virens 354. 



Ustilago 



AveniB 343, 349, Crameri 343, 

 Hordei 329, levis 349, nuda 

 327, perennans 397, striseformis 

 397, Tritici 370, Zea; 331. 



Valsa leucostoma 129. 



Variegated plants 451. 



Vegetable and field crops 194. 



Venturia 



inaequalis 74, pyrina 107. 



Verbena 478. 



Vermicularia 



circinans 252, dematium 239, 

 effigurata 457, telephii 477, 

 trichella 468. 



Vermiculariose 



carnation 457, ivy 468, onion 

 252, sedum 477. 



Vetch 397. 



Violet 



alternariose 479, anthracnose 

 481, cercosporose 478, leaf spot 

 14, 479, 481, downy mildew 



481, glceosporiose 481, marsoni- 

 ose 481, phyllostictose 481, 

 rhizoctoniose 481, spot disease 

 479, thielaviose 481, zygodes- 

 mose 481. 



Virginia creeper 



phyllostictose 481, powdery mil- 

 dew 482. 



VoluteUa 61. 



Dianthi 459, fructi 95. 



Volutellose 



apple 95, carnation 459. 



Walnut 449. 



anthracnose 449, blight 449, 

 gnomoniose 449, pseudomonose 

 449. 



Water lily 



cercosporose 482. 



Watermelon 



alternariose 318, anthracnose 

 318, bacillose 317, cercosporose 

 318, downy mildew 318, fusa- 

 riose 315, mycosphserellose 317, 

 resistant 10, wilt 315, 317. 



Wheat 



anthracnose 375, black stem rust 

 365, bunt 14, leptosphseriose 376, 

 loose smut 14, 370, orange leaf 

 rust 367, powdery mildew 375, 

 rust 14, 22, scab 376, septoriose 

 376, smut 19, stinking smut 368. 



White heart rot 414. 



White rot 418, 421. 



ash 21, 431, beet 210, cabbage 

 216, cedar 435, grape 174. 



White rust 



horse-radish 241, radish 285, 

 salsify 286, sweet potato 296, 

 turnip 315. 



White smut 

 spinach 287. 



White speck 304. 



Willow 



powdery mildew 451, rust 450, 

 tar spot 450, uncinulose 451. 



