494 HOST INDEX OF FUNGOUS DISEASES 



Pack 

 Pear (Pyrus communis L.) (Continued) 



Leaf Spot, Septoria Pyricola Desm 35° 



f Gymnosporangium clavaritzforme (Jacq.) Rees 4 2 ° 



Rust < Gymnosporangium globosum Farl 4 2 ° 



(^Gymnosporangium Sabina Plowr 4 2 ° 



Scab, Venturia Pyrina Aderh 264 



Pepper (Capsicum annuum L.) 



Anthracnose, Colletolrichum nigrum Ell. & Halsted . 330 



Persimmon (Diospyros virginiana L.) 



Leaf Blight, Cercospora Diospyri Thiim 3*5 



Pigweed (Amarantacea spp.) 



White " Rust," Cyslopus Bliti (Biv.) Lev 15 2 



Pine (Pinus spp.) 



Blight, Pestalozzia ffartigii Tub 339 



_ jpomes Pinicola Fr 4°7 



Dry Ko ^ Tmmetes pjni (Brot .) F r 467 



Root Rot, Polyporus Schweinitzii Fr 463 



„ f Coleosporium Solidaginis (Schw.) Thiim 435 



\Cronartium Ribicola Fisch. de Waldh 433 



Plum (Prunus spp.) 



Black Knot, Plowrightia morbosa (Schw.) Sacc 248 



Blight, Bacillus amylovorus (Burr.) De Toni 121 



Brown Rot, or Fruit Mold, Sclerotinia fructigena (Pers.) Schroet. . . . 187 



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



Leaf Spot, Cylindrosporium Padi Karst 339 



Plum Pockets, Exoascus Pruni Fuckel 183 



Powdery Mildew, Podosphcera Oxyacanthce (De C.) De Bary 226 



Root Rot, Armillaria mellea Vahl 473 



Rust, Puccinia Pruni-spinosce Pers 417 



Scab, Cladosporium carpophilum Thiim 299 



Poplar (Populus spp.) 



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



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



Heart Rot, pomes igniarius (L.) Gillett 465 



Leaf Spot, or Anthracnose, Marsonia Populi (Lib.) Sacc 336 



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



Rust, Melampsora tremulce Tul 437 



Poverty Grass (Aristida spp.) 



Smut, Sorosporium Syntherismce (Pk.) Farl 378 



Potato (Solatium tuberosum L.) 



Blight, Bacillus solanacearum Erw. Smith 134 



Downy Mildew, or Dry Rot of Tubers, Phytophthora infestans (Mont.) 



De Bary 165 



Dry Rot, or Stem Blight, Fusarium oxysporum Schl 317 



Early Blight, Macrosporium Solani E. & M 301 



Rhizoctonia, or Scurf, Corticium vagum B. & C, var. Solani Burt . . . 444 



Scab, Oospora scabies Thaxter 290 



