AGARICACEAE m 



(m) Stipe annulate Amanita 5:8 



(n) Stipe not annulate Amanitopsis 5: 20 



n. Stipe not volvate 



(m) Stipe annulate Lepiota 5:27 



(n) Stipe not annulate Schulzeria 5:72 



(y) Hymenophore homogeneous and confluent with the fleshy or fibrous- 

 elastic stipe 

 m. Stipe annulate, without a volva 



Armillaria 5 : 73 

 n. Stipe not annulate or volvate 



(m) Gills adnate or sinuate, not decurrent 



Tricholoma 5: 87 

 (n) Gills typically decurrent 



Clitocybe 5: 141 



(z) Hymenophore confluent with the cartilaginous stipe but hetero- 

 geneous from it 

 m. Gills not decurrent 



(m) Cap very thin, diaphanous 



Hiatula 5:305 

 (n) CaD not diaphanous 

 r. Margin of the young cap turned in 



Collybia 5: 200 

 s. Margin of the young cap straight 



Mycena 5: 251 



(inch Eomycenella 17:21) 

 n. Gills decurrent ; cap umbilicate 



Omphalia s: 308 

 y. Stipe excentric or none Fleurotus 5:339 



(b) Gills waxy rather than fleshy, splitting with difficulty 



Hygrophorus 5:387 



(2) Trama of cap more or less vesiculose ; spores globose, spiny 



(a) Gills with milky, white or bright-colored sap 



Lactarius 5: 423 



(inch Lactariopsis 17:3°) 



(b) Gills wi.th clear sap, if any Russula 5:453 



b. Edge of gills obtuse or fold-like 



(1) Gills decurrent, dichotomous, somewhat waxy 



Cantharellus 5:482 



( j ) Gills not decurrent 



(a) Gills somewhat broad, obtuse Nyctalis 5=499 



(b) Gills thin or obsolete 

 x. Gills thin 



(x) Gills vein-like, fleshy Arrhenia 5: 498 



(inch Campanella 14: ico, Rim- 

 bachia 11: 32) 



. (y) Gills of two sorts, gelatinous 



Stylobates 5: 502 



