PRATELLI. 329 



On beech-mast and among chips. West Farleigh, Kent. Psiiocybe. 



Name nux, a nut ; sedeo, to sit. Growing on nuts. Fr. Hym. Eur. p. 

 300. Monogr. i. /. 433. B. & Br. n. 1539. C. Illust. PL 609. B. 



*** Gills somewhat linear, ascending. 



737. A. comptus Fr. Pileus 2.5-4 cent. (i-iX in -) broad, 

 pallid then ochraceous, somewhat membranaceous, conical then 

 expanded, striate, sprinkled with shining spots, somewhat cren- 

 ulated at the margin. Stem 5 cent. (2 in.) long, 2 mm. (i lin.) or 

 little more thick, fistulose, flexuous, even, silky-shining. Gills 

 adnate, ascending, distant, rosy-umber. 



In woods among grass. Rare. Sept.-Oct. 



Name como, to ornament. Adorned. Fr. Hym. Eur. p. 301. S. Mycol. 

 Scot. n. 398. A. comptulus B. & Br. n. 917. t. 14. /. 4, not Fr. C. Hbk. it. 

 415. Illust. PL 589. A. 



738. A. semilanceatus Fr. Pileus 12 mm. (% in.) high not 

 broad, various in colour, becoming yellow, green, fuscous, some- 

 what membranaceous, acutely conical, almost cuspidate, never 

 expanded, but the margin when young at first bent inwards, 

 covered with a pellicle which is viscous and separable in wet 

 weather, slightly striate chiefly round the margin. Stem as 

 much as 7.5 cent. (3 in.) long, scarcely 2 mm. (i lin.) thick, fistu- 

 lose and containing a pith, equal, more frequentlyjftTK0ltt, smooth, 

 capable of being twisted round the finger, smooth, becoming pale; 

 furnished with a cortina when young. Gills ascending into the 

 summit of the cone, adnexed, almost linear, crowded, becoming 

 purple-black. 



Gregarious, very tough. 



Pastures and roadsides, &c. Common. Aug.-Nov. 



Spores ellipsoid, 9-16x4-9 mk. K. ; 14x9 mk. W. G.S. Name semi, 

 half ; lancea, a spear. Nearly spear-shaped. Fr. Monogr, i. p. 433. Hym. 

 Eur. p. 301. Berk. Out. p. 172. C. Hbk. n. 417. S. Mycol. Scot. n. 399. 

 Sow. t. 440. /. 1-3. 



II. RIGIDI. Veil none. Stem rigid, c. 



739. A. spadiceus Fr. Pileus 7.5-10 cent. (3-4 in.) broad, 

 date-brown-umber, becoming pale when dry, fleshy, convex then 

 plane, obtuse, even, smooth, moist (not viscid) in rainy weather, 

 often broken up in cracks when dry ; margin inflexed when 

 young. Stem 7.5-10 cent. (3-4 in.) long, 6-10 mm. (3-5 lin.) 

 thick, firm, somewhat cartilaginous, hollow, equal, often curved, 



