500 
porrigeus 
Geopetalum 300 
Pleurotus 300 
portoricensis 
Hexagona 48, 51 
Marasmius 251, 262 
Poria 74 
praeacutus 
Marasmius 253, 254, 277 
praeceps 
Agaricus 374 
praedecurrens 
Marasmius 250, 257 
Mycena 314 
Omphalopsis 311, 314 
praefoliatus 
Agaricus 367 
praelongus 
Agaricus 330 
Ganoderma 118, 121 
Mycena 330 
Prunulus 320, 330 
praerimosus 
Pyropolyporus 102, 105 
praetortipes 
Marasmius 250, 258 
prasiosmus 
Agaricus 269 
Marasmius 252, 269 
pratensis 
Agaricus 387 
Camarophyllus 387 
Hydrocybe 387 
Hygrophorus 387 
prtinceps 
Chanterel 168 
Favolus 48 
Hexagona 47, 48 
proboscideus 
Lentinus 246 
proletarius 
Marasmius 250, 256 
prolificans 
Coriolus 18, 27, 28 
Polyporus 27 
protracta 
; Lenzites 129 
proximus 
Lentinus 295 
Lenzites 126 
pruinatus 
Marasmius 285 
pruinosifolius 
Marasmius 251, 265 
pritinosulus 
Marasmius 250, 258 
pruinosus 
Agaricus 419 
Chanterel 167, 167 
Clitocybe 419 
Marasmius 285 
prunicola 
Fomitiporia 8, 9 
pseudogrisea 
Omphalopsis 311, 314 
pseudopargamenus 
Polyporus 27 
pseudoprinceps 
Hexagona 47, 49 
NORTH AMERICAN FLORA 
pseudopurus 
Agaricus 343 
Mycena 343 
pseudosenex 
Polyporus 111 
Pyropolyporus 102, 107 
psittacinus 
Agaricus 380 
Hydrocybe 376, 380 
Hygrophorus 380 
puberula 
Bjerkandera 40, 41 
Daedalea 41 
pubescens 
Agaricus 299, 299 
Boletus 18 
Coriolus 17, 18, 28 
Lactaria 200 
Leptoporus 19 
Pieurotus 309 
Polyporus 18 
Prunulus 322, 341 
pubescentipes 
Omphalia 313 
pudorinus 
Agaricus 393 
Hygrophorus 391, 393, 396 
puellaris 
Russula 204, 230 
Russulina 230 
pulcherrimus 
Agaricus 326 
Clitocybe 397, 404 
Lentinus 294 
Mycena 326 
Prunulus 320, 326, 342 
pulcherripes 
Marasmius 254, 284 
pulchralis 
Russula 236 
pulchrifolius 
Chanterel 167, 167 
pulverulentum 
Ganoderma 118, 121 
Russula 203, 215 
pulvinatus 
Agaricus 306 
Pleurotus 306 
punctata 
Russula 236 
punctipes 
Boletus 153 
puniceus 
Agaricus 381 
Hydrocybe 376, 381 
Hygrophorus 381 
purgans 
Boletus 99 
purpurascens 
Agaricus 396 
Favolus 50 
Hexagona 48, 51 
Hiatula 310, 425 
Hygrophorus 396 
Leptomyces 309, 310 
Marasmius 252, 267 
purpureofuscus 
Agaricus 333 
Mycena 333 
[VoLumME 9 
