40 Mycena. 



[melanops, West. P. convexo-camp. plicate, umbo blackish- 

 brown ; g. adnexed to a collar ; s. slender, glabrous base fibrillose. 



[pruinatus, Fr. Shining white. P. thin, conico-campan. papil- 

 late, edge defl exed, sulcate, pruinose ; g. crowded ; s. bulbous, naked. 



III. RIGIDIPEDES. Stem firm, rigid, rather tough, juice- 

 less, base strigosely rooting, gills discoloured, grey, 

 reddish, &c., often connected by veins. 



cohaerens, Fr. P. 2 3 cm. camp, obtuse, tawny cinnamon, soft 

 and velvety ; g. free, distant, very broad, pallid; s. 8 12 cm. horny, 

 rigid, even, shining, bay, base downy, rooting ; sp. 10 x 7 8. 



[raeborhiza, Lasch. P. acute camp. exp. glabrous, striate, rather 

 tawny then pale; g. almost free, connected by veins; s. even, floccosely 

 pruinose, rooting, tinged tawny. 



prolifera, Sow. Caespitose. P. 1 2 cm. camp, then exp. 

 subuinb., margin coarsely striate, yellowish tan ; g. adnexed ; s. 

 6 8 cm. glabrous, shining, striate, brownish below, rooting ; sp. 



excisa, Lasch. (non Berk.). P. 2 3 cm. camp, then obtuse, 

 greyish fuscous or pallid; g. scarcely adnexed, narrowed behind, 

 very broad in front, pallid ; s. 2 3 cm. tough, even, grey, rooting ; 

 sp. - , 



Differs from M . polygram/ma in smooth stem. 



\a.Y.fagetorum, Fr. Slender. P. even, striate to middle, smoky 

 or livid then pale ; g. joined to a collar ; s. incurved at base, fixed to 

 leaves by down. 



rugosa, Fr. P. 2 5 cm. camp, then exp. subumb. tough, irreg. 

 radially rugulose, greyish ; g. arcuately adnate, white then tinged 

 grey ; s. 3 4 cm. tough, even, glabrous, pallid ; sp. - . 



sudora, Fr. White. P. 23 cm. umb. striate, viscid ; g. obtusely 

 adnate, sometimes tinged pink ; st. 610 cm. even, dry, rooting ; sp". 



galericulata, Scop. P. 2 5 cm. conic camp. exp. striate up to 

 umbo, dry, brownish, livid, &c. ; adnate with decurrent tooth, con- 

 nected by veins, pinkish when old; s. 5 8 cm. polished, even, 

 glabrous ; sp. 6 7 x 4. 



M. rugosa differs from present sp. in having grey gills and 

 rugulose pileus. 



[simillima, Karsten. P. conico-campan. even, dry, glabrous, 

 Imd or dingy pallid; g. emarginato-decur. crowded, white, very 

 slightly tinged rose ; s. fragile, polished, even, glabrous, base curved, 

 rooting; sp. . 



Very near to Mycena galericulata, differing in being fragile and 

 in becoming pale. 



polygramma, Bull. P. 37 cm. conic camp, subumb. dry, 

 stnate, dark grey or blackish-blue when young ; g. pale pinkish-grey 



