172 Ol'TLIXES OF BRITISH FUXG0LO(;Y. 



late, at lengtli flattened^, smooth, the somewhat gibbous 

 disc even, otherwise pellucid-striate, not corrugated ; stem 

 fistulose, attenuated, base thickened, rooting, becoming pale 

 white ; gills adnate, ciuereous-black, edge same colour. 



Among blocks of a wooden pavement. Sibbertoft. 



873. A. (Psathyrella) pronus, Fr. ; pileus \ in., fuligi- 

 nous then hoary, hygrophanous, membranaceous, campanu- 

 late then hemispherical, obtuse, smooth, pellucid-striate, 

 obsoletely silky-atomate when dry ; stem fistulose, filiform, 

 lax, equal, smooth, becoming pale ; gills adnate, plane, some- 

 what triangular, distant, livid-fuliginous, with black dots 

 from the spores. 



In grassy places. Rare. Epping Forest. 



874'. A. (Psathyrella) empyreumaticus, B. and Br. : 

 pileus \\ in., rufous theu pale, hygrophanous, expanded 

 atomate, margin crenate ; stem fistulose, silky-furfuraceous, 

 pallid, gills adnate with a decurrent tooth, broad, distant, 

 connected by veins, rufous then brown-purple, pallid at 

 edge. 



On wooden pavement. Sibbertoft, 



875. A. (Psathyrella) atomatus, Fr. (p. 176) ; -i-l in. 



876. A. (Psathyrella) crenatus, Lasch ; pileus i^l in., 

 ochrey or rufescent, then pale, hygrophanous, membrana- 

 ceous, hemispherical, sulcate, atomate, crenate at margin, 

 fragile ; stem somewhat curved, fragile, smooth, whitish, 

 striate ; gills adnate, somewhat ventricose, light yellowish- 

 fuscous then blackish. 



On the ground. Penzance. 



877. A. (Psathyrella) disseminatus, Pe?'j?. (p. 176); Vin. 

 Epping Forest. 



