2 Agaricaceae. 



Lepiota. Ring present, volva absent; gills free (In some sp. 

 the ring ; is imperfect and in a few the gills are slightly attached.) 

 Hiatula. Gills free; volva and ring absent. 

 Annillaria. Ring present, volva absent; gills attached. 



ft Gills adnexed or adnate; ring and volva absent 



Tricholoma. Gills sinuate ; stem fleshy. 



Eussula. Pileus fleshy; gills very rigid, brittle. 



Mycena. Pileus slender, campanulate, usually striate, margin 

 straight and adpressed to stem when young. 



Collybia. Pileus rather fleshy, more or less plane, margin 

 incurved when young; stem cartilaginous outside. 



Marasmius. Tough, drying up and reviving when moistened; 

 gills often connected by veins. 



decurrent. 



Lactarius. Gills and flesh exuding milk when broken. (In 

 some sp. the gills are adnate.) 



Hygrophorus. Gills thick at the base, edge acute, rather waxy, 

 often branched; pileus often hygrophanous. (In some sp. the gills 

 are adnate or even free.) 



Clitocybe. Gills thin, pliant, sometimes powdered with the 

 spores; stem fibrous outside. 



Omphalia. Gills thin, pliant, stem cartilaginous outside. 



Pleurotus. Growing on wood. Stem lateral or excentric when 

 present. 



Cantharellus. Gills narrow, edge thick, rather waxy, forking. 



Arrhenia. Gills reduced to very slight wrinkles or veins. 



Nyctalis. Gills thick, edge blunt. Parasitic on fungi, or among 

 dead leaves, &c. 



* * TENACES. Coriaceous, corky, or woody, persistent, 

 rigid when dry. 



Lentinus. Pileus coriaceous; gills decurrent, edge toothed or 

 eroded. 



Panus. Pileus coriaceous; gills decurrent, edge quite entire. 



Xerotus. Pileus coriaceous; gills forking, edge thick. 



Lenzites. Horizontal, sessile, woody or corky; gills radiating 

 from behind. 



II. SCHIZOPHYLLAE. 

 Margin of gills split open. 



Trogia. Gills resembling folds or wrinkles, edge grooved. (In 

 the only European species the edge of gills not grooved.) 



Schizophyllum. Margin of gills split, the split portions rolling 

 outwards. 



