498 HOST INDEX OF FUNGOUS DISEASES 



Violet (Viola spp.) PAGE 



Gall, or Chytridiose, Pycnochytrittm globosum (Schroet.) Schroet. . . . 139 

 Leaf Blight, Cercospora Viola Sacc ............... 315 



L f S ot [ Alternaria Viola Gall. & Dorsett ........... 308 



\Phyllosticta Violce Desm ............. . . 347 



Root Rot, Thielavia basicola (B. & Br.) Zopf .......... 210 



Rust, Puccinia Violce (Schum.) De C ............... 407 



Walnut (Juglans spp.) 



Blight, Pseudomonas Juglandis Pierce .............. 120 



Crown Gall, Pseudomonas tumefaciens Erw. Smith & Tovvnsend ... 1 14 



Decay, Polyporus sulphureus (Bull.) Fr. . . ........... 457 



Water Cress (Radicula Nasturtium-aquaticum (L.) Britten & Rendle) 



White " Rust," Cystopus candidus (Pers.) Lev ........... 149 



Watermelon (Citrullus vulgaris Schrad.) 



Anthracnose, Downy Mildew, Leaf Mold, Leaf Spot. See Cucumber. 



Damping-off, or Rhizoctonia, Corticium vagum B. & C., var. Solani Burt 444 



Wilt, Neocosmospora vasinfecta (Atkinson) Erw. Smith ....... 233 



Wheat (Triticum spp.) 



Ergot, Claviceps purpurea (Fr.) Tul ............... 244 



(Puccinia coronata Cda ................. 420 



Rust <j Puccinia graminis Pers ................. 408 



^Puccinia rubigo-vera (De C.) Wint ...... . ..... 416 



c ( Tilletia fastens (B. & C.) Trel ............... 379 



\Tilletia Tritici (Beij.) Wint ........... .... 380 



Smut, loose, Ustilago Tritici (Pers.) Jens ............. 375 



Wild Rosemary (Ledum palustre L.) 



Sclerotial Disease, Sclerotinia heteroica Wor. & Nawasch ....... 195 



Wild Rye (Elymus spp.) 



Rust, Puccinia graminis Pers .................. 408 



Willow (Salix spp.) 



Black Spot, Rhytisma Salicinum (Pers.) Fr. ........... 209 



Crown Gall, Pseudomonas tumefaciens Erw. Smith & Townsend . . . 114 



Decay, or Brown Rot, Polyporus sulphureus (Bull.) Fr ........ 457 



Powdery Mildew, Uncinula Salicis (De C.) Wint .......... 230 



White Rot, Polyporus squamosus (Huds.) Fr ............ 453 



