Index to Hosts and Parasites. 
431b 
Coccochora rubi Davis, 413 
Coleosporium ribicola (C. & E.) Arth., 
411 
Coleosporium, sonchi-arvensis (Pers.) 
Lev., 402 
Coleosporium viburni Artli., 406 
Collet otrichum magnusianum Bres,. 
427 
Collet otrichum silphii Davis, 414 
Collet otrichum solitarium Ell. & 
Barth., 419 
Convallaria majalis, 422 
Convolvulus sepium, 429 
Convolvulus spithamaeus, 419 
Coreopsis palmata, 409 
Cronarti/um, 402 
Cryptomyces pteridis (Reb.) Rehm, 
414 
Cylindrosporium artemisiae Dearn. & 
Barth., 410 
Cylindrosporium bandysianum Sacc., 
420 
Cylindrosporium eminens Davis, 419 
Cylindrosporium leptospermum Pk., 
401 
Cylindrosporium ribis Davis, 400 
Cylindrosporium salicifoliae (Trel.) 
Davis, 427 
Cylindrosporium spiraeicolum E. & E., 
427 
Cylindrosporium tradescantiae E. & K,. 
401 
Cyperus Houghtonii, 430 
Cyperus strigosus, 430 
Dactylis glomerata, 418, 420 
Desmodium paniculatum, 418 
Didymaria aquatica, Starb., 420 
Diervilla Lonicera, 416 
Ellisiella mutica Wint., 414 
Elymus canadensis, 421, 425, 430 
Entyloma crastophilum Sacc., 422 
Entyloma thalictri Schroet., 405 
Eriphorum viridicarinatum, 423 
Erysiphe cichoracearum DC., 403 
Erysiphe graminis DC., 418 
Euphorbia commutata, 402 
Fagopyrum esculentum, 415 
Fragaria vesca, 421 
Fragaria virginiana, 421 
Fraxinus pennsylvanica, 427 
Fu8icladium radiosum (Lib.) Lind, 
401, 402 
Galium asprellum, 405 
Gaultheria procumbens, 429 
Geranium Bicknellii, 423 
Geum strictum, 403 
Gloeosporium aridum E. & Hoi., 427 
Gloeosporium balsameae n. sp., 409 
Gloeosporium bicolor n. sp., 427 
Gloeosporium canadense E. & E., 414 
Gloeosporium equiseti E. & E., 409 
Gloeosporium fraxineum Pk., 427 
Gloeosporium irregulare Pk., 427 
Gloeosporium leptospermum Pk., 414 
Gloeosporium. ramosum E. & E., 427 
Gloeosporium ribis (Lib.) D. & M., 
419 
Gloeosporium salicis West., 404 
Gloeosporium 'thalictri Davis, 403 
Glyceria pallida, 422 
Gymnoconia peckiana (Howe) Trot¬ 
ter, 417 
Gymnosporangium juvenescens Kern, 
406 
Helianthemum majus, 419 
Helianthus occidentalis, 422 
Helianthus strumosus, 422 
Hordeum distichum, 420 
Hordeum hexastichum, 420 
Hordeum vulgare, 420 
Humulus Lupulus, 399 
Hydrocotyle americana, 408 
Hypericum canadense, 406 
Hypoderma brachysporum (Rostr.) 
Tub., 424 
Impatiens, 406 
Juniperus horizontalis, *06 
Kalmia polifolia, 426 
Kriegeria eriophori Bres., 410 
Kuehneola albida (Kuehn) Magn., 417 
Kuehneola uredinis (Lk.) Arth, 417 
Laportea canadensis, 407 
Lathyrus palustris, 422 
Lathyrus venosus, 419 
Ledum groenlandicum, 423 
Leersia oryzoides, 404 
Lespedeza capitata, 429 
Lepidium apetalum, 403 
Leptothyrium pomi (Mont. & Fr.) 
Sacc., 409 
Lonicera canadensis, 426 
Lophodermium thuyae n. sp., 424 
Lycopus virginicus, 403 
Marsonia secales Oud., 420 
Marssonina kriegeriana (Bres.) 
Magn., 404 
Marssonina nigricans (E. & E.) 
Magn., 404 
Marssonina populi (Lib.) Magn., 404, 
414 
Marssonina rubiginosa (E. & E.) 
Magn., 404 
Medicago lupulina, 429 
Melampsoroposis ledicola (Pk.) Arth., 
423 
Melica striata, 418 
Microsphaera alni (Wallr.) Wint., 
403 
