igS BRITISH FUNGI 



Attached to Sphagnum or other mosses in partly dried-up 

 swamps. Rare. 



0. ncvillce. — Cap hemispherical, depressed in the centre, wrinkled 

 and minutely granulated at the disc, striate, brown, pale towards 

 the margin when dry, about I in. across ; gills arcuately decurrent, 

 sides \-eined and wrinkled, white ; stem brownish, rough with black 

 granules, rather swollen at the base and clothed with white downy 

 hairs, about i in. long. 



On Sphagnum in a ])lant pot. Possibly an introduced 

 species. 



0. sphagnicola. — Cap very thin, umbilicate, then deeply infundi- 

 buliform, slightly striate and minutely squamulose, dingy ochra- 

 ceous, about i in. across ; gills decurrent, rather narrow, distant, 

 pale, dingy ochraceous ; stem slightly wavy, smooth, coloured 

 like the cap, 1-2 in. long. 



Whole plant tough and elastic. Gills thick. 



On Sphagnum in swamps, etc. 



0. philonitis. — Cap thin, entirely deeply umbilicate, edge erect 

 and straight, not striate, hygrophanous, smoky grey, floccose when 

 dry, |-| in. across ; gills deeply decurrent, rather distant, narrow, 

 lanceolate, grey ; stem slender, equal or narrowed upwards, 

 smooth, grey, base downy, 10-2.^ in. long. 



Differs from 0. oniscns and 0. cpichysium in the longer stem, the 

 deeply infundibuliform cap with the edge erect, and in appearing 

 in the spring. 



In swamps on Sphiignum, also on rotten wood. Appearing in 

 spring. 



0. oniscns. — Cap thin, flaccid, fragile when old, convex, with an 

 umbilicus, or infundibulifoim, often irregular, wavy or undulated, 

 smooth, dark grey, paler and hoary grey when dry, even, up to i in. 

 across ; gills decurrent, rather distant, grey, darker when dry ; 

 stem stuffed, then hollow, rather firm but tough, often curved and 

 compressed, surface undulated, grey, about i in. long. 



Distinguished by the grey colour of every part. Allied to 0. 

 pyxidata, \\'hich differs in the yellow-brown colour. 0. rustica 

 differs in the shorter stem, and 0. striccpilcus in the longer, slender 

 stem. 



Among damp mosses, etc. 



0. ccBspitosa. — Cap thin, almost hemispherical, umbilicate, 

 sulcate almost to the centre, edge crenate, smooth, pale ochraceous 

 white, about f in. across ; gills shortly decurrent, distant, rather 

 broad, whitish ; stem almost equal, slightly bulbous at the base, 

 hollow, coloured like the cap, I-} in. long. 



The colour is generally a delicate ochraceous white. On banks, 

 etc. 



