334 BRITISH FUNGI 



Known amongst the black-spored species by the even (not 

 striate) cap. In Anellaria there is a ring on the stem ; in Psathy- 

 rella the cap is striate ; in Coprinus the gills deliquesce. 



* Cap viscid, shining when dry. 



P. leucophanes. — Cap about | in. across, obtuse, campanulate, 

 viscid, white, shining and silky when dry, with ochre stains, frag- 

 ments of the veil attached to edge of cap, giving it a ragged appear- 

 ance ; gills blackish, edge white ; stem about 2 in. high, fibrillose, 

 white. 



In grass fields. 



P. egregius. — Cap up to 2| in. high, ovate-campanulate, viscid 

 and bright orange-brown, slightly wrinkled when dry ; gills 

 brownish black, edge paler ; stem up to 5 in. long, pale brown. 



Distinguished by its large size and brown stem. 



On the ground. 



P. phalenarum. — Cap 1-2 in. across, campanulato-convex, viscid, 

 greyish, then dull ochraceous ; fragments of veil adhering to the 

 edge ; greyish black ; stem 3-5 in. long, pale reddish pink. 



Differs from P. papilionaceus in the viscid cap and ochraceous 

 colour. 



On dung. 



** Cap not viscid, slightly floccitlosc ivhen dry. 



P. retirugis (PL XXVI, fig. 4). — Cap about i in. across, globose, 

 then hemispherical, subumbonate, pinkish tan-colour, with anasto- 

 mosing raised ribs, fragments of veil attached to edge ; gills 

 greyish black ; stem 2-4 in. long, purplish flesh-colour, mealy. 



Differs from P. phalenarum in the wrinkled cap, and from 

 Psathyrea corrugis in the gills not being violet-tinted. 



On dung. 



P. sphinctrinus. — Cap up to i in. across, smoky black when moist, 

 livid when dry, edge with fragments of the white veil ; gills greyish 

 black ; stem 2-3 in. long, smoky grey, fragile. 



Differs from P. papilionaceus in the grey stem. 



On dung, etc. 



P. papilionaceus.— Q^.Y> up to i in. across, hemispherical, pale 

 grey with a tinge of rufous at the disc, when dry cracking into 

 minute squamules ; gills broadly adnate, plane, becoming blackish ; 

 stem 3-4 in. long, whitish, apex powdered with white meal. 



Differs from P. campanulatus by the paler, hemispherical cap, 

 paler stem, and broader, broadly adnate gills. 



On dung, manured ground, etc. 



*** Cap not viscid, smooth, shining, not zoned. 



P. campanulatus. — Cap about i|- in. high, campanulate, often 

 more or less umbonate, smooth, rather shiny, brown, becoming 

 rufescent ; gills adfixed, grey variegated with black, edge often 



