AGAEICINI. 69 



185. Agaricus (Mycena) dissiliens. Fr. " Splitting Mycena." 



Very fragile ; pileus submembranaceous, couico-campaniTlate, 

 obtuse, lineato-plicate to the middle ; stem attenuated, somewhat 

 incurved, minutely striate, cinereous, dark ; base strigose ; gills 

 rounded, seceding, at length free, broad, soft, whitish, grey at 

 the base. — Fr. Epicr.p. 108. Bolt. t. 15-4. Mich. t. 7d.f. 5. PauL 

 1. 122,/ 8 ? 



On trunks of trees. Strong scented. 



Stem 2 in. long, strigose at the base, very fragile, 1-2 lin. thick, cinereous, 

 compressed, splitting in revolute flaps. Pileus cinereous-brown, whitish at 

 the margin, sulcata to the middle, dry. 



186. Agaricus '^IVIycena) alcalinus. Fr. " Stump Mycena." 



Rigid, but brittle, strong scented ; pileus rather membranace- 

 ous, campanulate, obtuse, naked, deeply striate, moist, shining 

 when dry; stem smooth, slightly sticky, shining, villous at the 

 base; gills adnate, rather distant, white, then glaucescent. — F'?\ 

 Epicr. p. 109. Schcpff. t. 31-32. Eng. FL v. p. 57. Gard. Chron. 

 (1861),i?. 1114. 



On trunks of trees. Common. [S. Carolina.] 



Solitary or csespitose ; pileus ^-2 in. broad,, subcarnose, umbonate. sub-um- 

 bonate. or quite obtuse, even, mth or without imbedded fibrillse, at first 

 conieo-papillate, rugose, cinereous, or tinged with olive, sub-striate, when 

 old expanded or depressed, but little changed in colour, though occasionally 

 with a pink or yellow hue j gills adnate, with a tooth, distant when old, 

 slightly ventricose, at first pale, then glaucous, pinkish, or yellowish, more 

 or less connected by veins. Stem Sin. high, 1-2 lines thick, fistulose, sub- 

 fibrilloso-striate. attenuated upwards, downy at the base, the down sometimes 

 tawny, sometimes firm and tenacious, sometimes very brittle, grey above, 

 yellowish or reddish beneath when young, but when old sometimes changing 

 above to a bright vellow ; odour puugent, like fermented or putrid walnuts. 

 —21. J. B. Spore's -0003 X "0002 in. 



187. Agaricus (IVIycena) pauperculus. Berh. ••Little-stump 



Jlycena." 



Strong scented ; pileus obtusely conical or hemisjDherical, mi- 

 nutely innato-fibrillose, submembranaceous ; stem smooth, root- 

 ing, villous at the base ; gills at first free, then adnexed, white. 

 — Berk. Outl.pj. 125. Eng.Fl.Y.p.hl . 



Inside decayed stumps. 



Minute, ochraceous-white. Pileus 1 line broad, fleshy, rather firm, scarcely 

 membranaceous, obtusely conic or hemispherical, most minutely but de- 

 cidedly innato-fibrillose, pale ochraceous-white, in age almost tawny, pro- 

 bably stained by the wood on which it grows. When moist the gills shine 

 through, giving a striate appearance, but not always. Gills white, adnexed 



