AGARICACE^E 
iog 
Collybia. 
Leptonia. 
Naucoria. 
Psilocybe. 
Mycena. 
Nolanea. 
Galera. 
Psathyra. 
Psathyrella. 
Bolbitius. 
Coprinus. 
Gills not decurrent. Margin of the 
pileus at first involute 
Gills not decurrent. Margin of the 
pileus at first involute ... 
Gills not decurrent. Margin of the 
pileus at first involute ... 
Gills not decurrent. Margin of the 
pileus at first involute . 
Gills not decurrent. Margin of the 
pileus pressed to the stem at first 
Gills not decurrent. Margin of the 
pileus pressed to the stem at first 
Gills not decurrent. Margin of the 
pileus pressed to the stem at first 
Gills not decurrent. Margin of the 
pileus pressed to the stem at first 
Gills not decurrent. Margin of the 
pileus pressed to the stem at first 
Gills moist, dissolving at maturity . 
Gills dripping away at maturity ... 
Leucosporae. 
Rhodosporae. 
Ochrosporae. 
Porphyrosporae. 
Leucosporae. 
Rhodosporae. 
Ochrosporae. 
Porphyrosporae. 
Melanosporae. 
Ochrosporae 
(some pink). 
Melanosporae. 
D. Plant fleshy, more or less firm, rotting at maturity. 
absent from some species. 
Pleurotus . 
Claudopus . . 
Crepidotus . 
Stem not central 
Leucosporae. 
Rhodosporae. 
Ochrosporae. 
E. Plant tough, leathery, or corky , not rotting at maturity. 
i. Stem central. 
Marasmius. Gills simple ... ... ... ... Leucosporae. 
Xerotus. Gills branched ... ... ... ,, 
2. Stem not central; absent from some species. 
Lentinus. 
Panus. 
Trogia. 
Schizophyllum. 
Lenzites. 
Gills toothed ... 
Gills not toothed 
Gills crisped or channelled longi 
tudinally 
Gills splitting longitudinally 
Gills woody, sometimes forming 
irregular pores .. 
Leucosporae. 
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