506 



GENERAL INDEX 



suaveolens42i ; Tanaceti42o; Trag- 



opogi 421 ; Violae 407 

 Pucciniaceae 389 

 Pueraria 137 

 Pure cultures, establishing 37 ; methods 



9 



Puriewitsch, K. 74 



Pycnochytrium 138; aureum 139; glo- 

 bosum 139: Myosotidis 139 



Pyrenomycetes 174 



Pyrus 114, 123, 185, 423; Aucuparia 195, 

 426; communis 116,123,264,358,365, 

 426,458; coronaria 425 ; Malus 123, 

 226, 239, 242, 264, 271, 341, 346, 347, 

 350, 367, 425' 426, 45 8 > 47i 



Pythiaceae 140 



Pythiacystis 141, 148; Citrophthora 144 



Pythium 78, 141, 148, 151, 446; de 

 Baryanum 141, 157, 173 



Quaintance, A. L. 187 



Quercus 185, 280, 454, 458, 466, 471 ; 



alba 278, 473; coccinea 278; velu- 



tina 278 



Radicula Nasturtium-aquaticum 141, 



149 

 Ramularia 287, 296; areola 296; rufo- 



maculans 297 ; Tulasnei 262, 296 

 Rammculaceae 381 

 Raphanus sativus 99, 149, 162, 449 

 Rathay, .175 

 Reddick, D. 254 

 Reed, G. M. 215, 217 

 Reed, H. S. 320 

 Resin wash 215 

 Resistant varieties 85 

 Rhizoctonia 78, 210, 444, 478; Betas 



445; Medicaginis 446, 477 

 Rhizopus nigricans 71, 349 

 Rhododendron hirsutum 196, 432 ; fer- 



ruginium 196, 432 

 Rhytisma Acerinum 208 ; Salicinum 



209 ; Vaccinii 209 

 Ribes 204, 221, 240, 363, 364, 393, 433 ; 



aureum 435; irriguum 435; nigrum 



435 5 rubrum 435 



Richards, H. M. 384, 422, 427, 440 

 Robinia Pseudo-Acacia 458 

 Robinson, B. L. 175 

 Roestelia Pyrata 425 

 Rolfs, F. M. 444 

 Rolfs, P. II. 327 

 Root disease, sugar cane 469 

 Root rot, alfalfa, cotton, etc. 479 ; fruit 



trees 471 ; tobacco 210; vine 321 

 Root and stem rot fungus 444 

 Rorer, J. B. 346, 352 



Rosa 114, 164, 224, 357, 430 



Rosaceae 114, 139 



Rosellinia 254 ; Quercina 280 



Rostowzew, S. J. 147 



Rubus 114, 139, 334, 354, 363, 427 



Rumex 402 



Russell, H. L. 107 



Rust, apple 425 ; beans 397 ; carnation 

 399 ; clover 395 ; currant 423 ; fungi 

 384; hollyhock 419; maize 414; mint 

 407 ; poplar 437 ; rhododendron and 

 Norway spruce 432 ; roses 430 ; stone 

 fruits 417; timothy 415; vetch and 

 garden pea 398 ; violet 407 



Rytz, W. 136 



Saccardo, P. A. i, 94 



Saccharum officinarum 120, 263, 330, 

 469 



Sadebeck, R. 175 



Saida, K. 74 



Salix 114, 209, 230, 454, 458 



Salmon, D. E. 244 



Salmon, E. S. 79, 215, 221, 228, 231 



Sands, M. C. 215 



Sanitary environment 7 



Sappin-Trouffy 393 



Saprolegniaceas 49 



Saprolegniales 136 



Saprophytism 62 



Savastano, L. 118 



Scab, apple 264 ; peach and apricot 299; 

 pear 264 ; potato 290 



Scald, cranberry 259 



Schizomycetes 95, 103 



Schrenk, H. von 114, 271, 457, 463, 464 



Schroeter, J. 3, 94, 136, 147, 175 



Schweinitz, L. D. i 



Sclerospora 148, 161; graminicola 161 ; 

 macrospora 161 



Sclerotinia 185, 186; Aucupariae 186, 

 195; baccarum 186, 195; Betulae 186, 

 201; cinerea 187; fructigena 186, 

 187, 286; Fuckeliana 186, 196; het- 

 eroica 186, 195; Libertiana 186, 198, 

 201 ; megalospora 186, 195 ; Oxy- 

 cocci 186, 195; Rhododendri 186, 

 196; Trifoliorum 186, 201 ; tuberosa 

 186, 201 ; Vaccinii 186, 195 



Scolecotrichum 287 



Scott, W. M. 85, 194, 271, 346, 352 



Scribner, F. L. 4, 152, 254, 261, 278, 

 3'3> 332, 334, 347,357, 365, 417 



Secale, 217 ; cereale 217, 244, 383, 410, 

 416 



Seed selection 86 



Seedling stem blight, egg plant 345 



Selby, A. D. 114, 176, 367, 381 



