68 AGARICINI. 



182. Agaricus (H/Iycena) polygxammus. Bull. " Sulcate-stem 



Mycena." 



Pileus submembranaceous, conico-campanulate,sub-umbonate, 

 dry, striate ; stem rigid, tough, salcato-striate throughout its 

 length, rooting, strigose at the base, shining ; gills attenuated 

 behind (free or uncinate), whitish or flesh-coloured. — Fr. Epicr. 

 p. 107. Bull. t. 39b. Sow.t.22'2. Fl. Dan. 1. 1616,/. l,t.Ud8. 

 Batsch.f. 85 (young). Linncea. v. 1. 1 ,f. 1. Eng. FL v. p. 58. 



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



Pileus l-l|^in. broad, at first cinereous, umber towards the margin, glandi- 

 form, pruinose, then livid brown, conico-campanulate, submembranaceous, 

 rugose, with innate fibres, margin striate ; gills rather distant, at first dirty 

 white, then pinkish, ventricose, though sometimes almost linear, all but free, 

 margin subserrulate ; stem 3 in. high, 1 Kne or more thick, regularly and 

 deeply striate, the interstices fibrillose, but occasionally the striae are obso- 

 lete, silvery, rootiug, fistulose, nearly the colour of the pileus, but paler, 

 twisted, brittle: inodorous, insipid. — M.J.B. Spores "00035 X "00026 in. 



(PI. II., Jig. 8, reduced.) 



183. Agairicus (Mycena) paxabolicus. A. ^^ S. "Fir-trunk 



Mycena,"' 



Pileus submembranaceous, at first oval, then parabolic, obtuse, 

 discoid, becoming pale, striate half way ; margin entire, turning 

 •white ; stem rigid, even, smooth, colour of the pileus, base stri- 

 gose, swollen, abruptly rooting ; gills simple, adnate, ascending, 

 nearly distinct, whitish. — Fr. Epicr. p. 107. Sow. 1. 165. 



On trunks, especially of fir. 



Stem 2-8 in. long, 1 lin. thick, incrassated at the base, below becoming 

 pale, above dull violet, mealy when young. Pileus obtuse, moist, disc black- 

 ish, verging on violet, otherwise becoming pale and whitish. 



Sect. 4. Fragilipedes — stem fragile. 



184. Agaricus (Mycena) atro-albus. Bull, " Bi-coloured 



Mycena." 



Rather finn ; pileus somewhat fleshy, obtuse, campanulate, 

 even, smooth, opacjue, brown; whitish and striate about the mar- 

 gin ; stem straight, shining, two-coloured ; root swollen, bulbous, 

 hairy ; gills attenuated, almost free, ventricose, white. — Fr. 

 Epicr. p. 108. Bolt. t. 137. Eng. Ft. v. p. 56. 



Amongst moss, at the roots of trees. 



Solitary, or gregarious, rather firm ; pileus obtuse ; stem 2-3 in. long, some- 

 times pruinose at the apex. — Fries. 



