HYPHOLOMA. CLITOCYBE 269 



H. pennatum (Fr.) Quel. = Psathyra pennata Fr. 



H. semivestitum (B. & Br.) Quel. = Psathyra semivestita B. & Br. 



H. bifrons (Berk.) Big. & Guillem. = Psathyra bifrons Berk. 



H. Gordonii (B. & Br.) Big. & Guillem. = Psathyra Gordonii B. & Br. 



****Gills decurrent, or adnato-decurrent by a tooth.. 

 Spores white ; hymenium not waxy, nor pulverulent. 



Clitocybe Fr. 



(:\iT09, a slope; /cvftrj, head.) 



Pileus fleshy, regular, or irregular; margin incurved. Stem central, 

 externally fibrous. Gills decurrent, rarely adnate, with an acute edge. 

 Spores white, rarely yellowish, or greenish, elliptical, pip-shaped, 

 globose, subglobose, or oblong; smooth, punctate, verrucose, or 

 echinulate, continuous. Growing on the ground, rarely on wood, 

 solitary, caespitose, or forming rings. 



A. P. fleshy, often pale and silky when dry, not hygrophanous. 



a. P. convex, then plane, or depressed, regular, obtuse. 



*P. cinereous, or fuscous. 



807. C. nebularis (Batsch) Fr. Grev. Scot. Crypt. Fl. t. 9, as Agaricus 

 turgidus. Nebularis, clouded. 



P. 7 -5-20 cm., fuliginous, or fuscous, then grey, fleshy, somewhat 

 compact, convex, then plane, very obtuse, at length depressed at the 

 disc, dry, at first pruinosely grey, becoming smooth, more rarely 

 innately streaked, or shining when scorched by the sun. St. 7- 

 12 x 2-3 cm., whitish, thickened at the base, attenuated upwards, 

 spongy, elastic, fibrillosely striate. Gills whitish, sometimes becoming 

 yellow, shortly and equally decurrent, arcuate, very crowded, thin. 

 Flesh white, thick. Spores white, elliptical, 7-8 x 3-4/i, 1-2-guttu- 

 late. Smell and taste pleasant. Edible. Woods, heaths, and pastures. 

 Aug. Dec. Common, (v.v.) 



808. C. clavipes (Pers.) Fr. Fr. Icon. t. 47, upper figs. 



Clavus, a nail; pes, foot. 



P. 46 cm., fuscous, fuliginous, cinereous-livid, sometim.es whitish 

 round the margin, very rarely wholly white, fleshy, slightly convex, 

 soon plane, at length almost obconical, very obtuse, sometimes um- 

 bonate, smooth. St. 4-6 x 1 cm., concolorous, conical, base bulbous, 

 elastic, somewhat fibrillose. Gills white, sometimes yellowish, deeply 

 decurrent, subdistant, flaccid, broad. Flesh cinereous, then white, lax, 

 thin at the margin. Spores white, elliptical, 6-7 x 4-5/t, 1-guttulate. 

 Smell faint, pleasant. Taste mild. Beech, and coniferous woods. 

 Aug. Nov. Common, (v.v.) 



