LEUCOSPORI. 91 



even; flesh tough, pallid. Stem 2.5 cent (i in.) or a little more Clitocybe. 

 broad, 2-4 mm. (1-2 lin.) thick, stuffed, tough, but wholly tibrous- 

 soft, commonly curt, equal, naked, smooth, ci?tereous. Gills 

 decurrent, arcuate, very crowded, 2-4 mm. (1-2 lin.) broad, dark 

 fidigitious. 



Often gregarious; almost inodorous. At first sight like a species of 

 Omphalia. 



In woods. Rare. 



Spores ovoid, comma-shaped, slightly punctate, greenish, 10 mk. Q. Name 

 — concavus, concave. Scop. Car?i. p. 449. Fr. Monogr. i. p. 130. Hym. 

 Eur. p. 102. Icon. t. SJ-f- 2. B. b' Br. n. 1512, 



183. A. brumalis Fr. — Pileus livid when moist, whitish and at 

 length becoming yellow when dry, commonly darker at the disc, 

 fleshy-membranaceous, at first convex, umbilicate, reflexed at the 

 circumference, 2.5 cent, (i in.) broad, then infundibuliform, often 

 irregular and undulated, as much as 5 cent. (2 in.) broad, smooth, 

 even. Stem about 5 cent. (2 in.) long, 4 mm. (2 lin.) thick, 

 slightly firm, hollow, equal or slightly thickened at the apex, at 

 length compressed, somewhat incurved, smooth, naked, becoming 

 livid, white when dry, white-villous at the base. Gills decurrent, 

 at first arcuate, then descending, 2 mm. (i lin.) broad, crowded, 

 distinct, livid, then becoming yellow-white. 



Odour weak, not unpleasant. B. Wholly watery whitish. Pileus infundi- 

 buliform, margin deflexed, milk-white when dry; stem fistulose, somewhat 

 striate, smooth at the base; gills less crowded, but rather broad, whitish. 

 Bull. t. 278. A—B. 



In woods. Common. Oct.-Jan. 



Spores 3 mk. W.G.S. Name — bruma, winter. Fr. Monogr. i. p. 131. 

 Hym. Eur. p. 103. Berk. Out. p. -112,. C. Hbk. n. 102. Illust. PI. 114. S. 

 Mycol. Scot. n. 104. 



V. — Orbiformes. 

 ■^ Gills becoming cinereous. 



184. A. metachrous Fr. — Pileus 2.5-5 cent. (1-2 in.) broad, 

 fuscous-cinereous when young, then livid, whitish when dry, 

 slightly fleshy, at first convex, soon rather plane or depressed, 

 margin even, slightly striate only when old. Stem about 4 cent 

 (i>^ in.) long, 4 mm. (2 lin.) thick, but broader when com- 

 presssed, stuffed when young, round, soon hollow and hence 

 becoming easily compressed, equal, tough, externally fibrous, 

 grey, white-priiinose at the apex. Gills adnate, scarcely decurrent, 

 crowded, linear, plane, thin, whitish-cinereous. 



