362 



Mycologia 



Phragmidium affine, 103; Horkeliae, 



103; imitans, 109; Ivesiae, 103; 



montivagum, 103 

 Phragmites communis, 21 

 Phyllachora, 284, 289 ; biareolata, 294 ; 



canafistulae, 292, 293, 300 ; Cassiae, 



293 ; duplex, 293 ; Guazumae, 291 ; 



peribebuyensis, 289 ; Phaseoli, 284 ; 



Serjaniicola, 293, 300; Whetzelii, 



293, 300 

 Phytophthora, 63, 198, 274 

 Picea Engelmanni, 108; rubens, 26 

 Pilidium, 156, 158; acerinum, 156, 



157, 159 



Pinus austriaca, 99; edulis, 108; pon- 



derosa scopulorum, 106 ; radiata, 97 ; 



sylvestris, 84, 88 

 Plant cancers, Studies on, 1 

 Plasmodiophora Brassicae, 60 ; vascu- 



larum, 60, 127 

 Pleurage arachnoidea, 294 

 Pluteus cervinus, 190; praerugosus, 



198 



Poa Fendleriana, 103 



Podostroma, 286 ; orbiculare, 286, 299 



Poisonous mushroom, Clitocybe su- 

 dorifica as a, 42 



Polygonum, 21 ; alpinum, 109 



Polypores, Light-colored resupinate, — 

 ■III, 83 ; —IV, 171 



Polyporus albocarneo - gilvidus, 92 ; 

 amarus, 114; applanatus, 64; atten- 

 uatus. 83; aurantiopallens, 172; 

 Blyttii, 83; bombycinus, 173; 

 Broomei, 87.; brunneolus, 39 ; Biitt- 

 neri, 123; byssoideus, 100; carneo- 

 pallens, 84, 85; cavernulosus, 100; 

 chrysobaphiis, 173; cinctus, 87; col- 

 labens, 83 ; cruentatus. 96 ; emol- 

 litus, 83 ; epilinteus, 84, 85 ; euporus, 

 83; Fendleri, 84, 85; Fuligo, 123; 

 haematodes, 95 ; incarnatus, 87 ; in- 

 duratus, 55 ; laetificus, 96 ; leuco- 

 lomus. 172; mutans, 97; nebulosus, 

 119; obliquus, 96; odorus, 87; oxy- 

 datus, 92 ; pineus, 98 ; pulchellus, 

 178; purpureus, 92; Ravenalae, 123 ; 

 sanguinolentus, 90 ; salmonicolor, 

 96; Schweinitzii, 124 ; sorbicola, 95 ; 

 spissus, 96 ; subliberatus, 87 ; sul- 

 phurellus, 171; tenerrimus, 119; 

 undatus, 87 ; vinctus, 84 ; violaceus, 

 92 ; vitreus, 88 ; volvatus, 354 



Polystictus versicolor, 58 



Poncirus trifoliata, 59 



Populus caroliniana, 124; grandiden- 

 tata, 124; nigra italica, 165; tremu- 

 loides, 107, 124 



Poria, 95, 98, 118, 194; albirosea, 85; 

 albocincta, 122, 123 ; attenuata, 83, 



94 ; attenuata subincarnata, 86 ; au- 

 rantio-canescens, 93 ; aurantiopal- 

 lens, 172; aurantiotingens, 90; 

 aurea, 171; Blyttii, 83; borbonica, 

 89; Bracei, 91; calcea sulphurea, 

 178; Calkinsii, 175; callosa, 87, 88;- 

 Caryae, 99 ; cassicola, 85 ; cavernu- 

 losa, 100; chrysobapha, 173 ; chryso- 

 loma, 176; corticola, 88, 89; 

 cremeicolor, 178; crocipora, 96; 

 Dodgei, 87; Dusenii, 100; eupora, 

 83, 85, 86, 94 ; fatiscens, 178; favil- 

 lacea, 94; flavida, 174; flavilutea, 

 176; flavipora, 174; Fuligo auran- 

 tiotingens, 122; glauca, 123; graph- 

 ica, 123; heteromorpha, 178; holo- 

 xantha, 178; incarnata, 87, 95; in- 

 certa, 172, 178; incrassata, 98; 

 jalapensis, 177; lateritia, 90; leuco- 

 lomea, 172; lilacina, 85; medulla- 

 panis, 176, 178; micans, 92 ; mutans, 

 93» 96, 97 ; mutans tenuis, 93, 94 ; 

 myceliosa, 178; nebulosa, 119; ni- 

 grescens, 87, 88; nitida, 83, 93, 94; 

 nitida crocea, 94; ochracea, 174; 

 Parksii, 175; pavonina, 94; phle- 

 biaeformis, 96 ; pinea, 98 ; purpurea, 

 9i) 9 2 , 93; radiculosa, 178; salois- 

 ensis, 98 ; sanguinolenta, 90 ; semi- 

 tincta, 178, 341; spissa, 94, 96, 98; 

 subacida, 171, 176, 178; subbadia, 

 93; subincarnata, 84, 86, 172; sub- 

 radiculosa, 175; subrufa, 95; sub- 

 sulphurea, 178; subundata, 86; 

 subviolacea, 99; sulphurella, 171; 

 taxicola, 92, 93, 95, 98 ; tegillaris, 

 173; tenerrima, 119; undata, 87,88; 

 vincta, 84, 94, 99; violacea, 91, 92, 

 95» 99! vitellina, 172, 176; vitrea, 

 88 ; xantha, 176; xantholoma, 178 

 Porto Rico, A contribution to our 

 knowledge of the Pyrenomycetes of, 

 279 



Porto Rico, A new bolete from, 60 

 Potentilla, 157, 159, 160; canadensis, 



165 ; pulcherrima, 103 

 Protocoronospora nigricans, 128 

 Protomyces, 72, 354 

 Prunus, 161 ; serotina, 165 

 Pseudobalsamia magnata, 193, 3^ 2 "> 



magnata nigra, 313 

 Pseudodiplodia, 354 

 Pseudohaplosporella, 354 

 Pseudomonas Apii, 274; Citri, 59, 198; 



Phaseoli, 336 

 Pseudopeziza, 167; Populi-albae, 349 5 



ribis, 349 ; salicis, 349 

 Pseudotsuga mucronata, 107 

 Ptilocalais tenuifolia, 105 

 Puccinia, 16, 233, 235; additicia, 191; 



