AtlARICINI. 89 



Oil downs. Worthing. 



487. A. (Clitopilus) undatus, Fr. ; pileus 1^ in., fuligi- 

 nous-cinereous, becoming pale, not hygrophanous, slightly 

 silky-opaque when dry, fragile, umbilicate, sometimes in- 

 fundibuliform, unequal, undulated ; stem often very short, 

 fibrous, hollow, unequal, compressed, attenuated at base 

 and covered downwards with whitish pubescence ; gills not 

 crowded, thin, entire, dark, cinereous. 



On open downs. Batheaston. 



488. A. (Clitopilus) cancrinus, Fr. ; pileus 1 in., whitish 

 tan or white, not hygrophanous, somewhat membranaceous, 

 at first convex with involute margin, then plane, irregular, 

 at length cracked, smooth, no cuticle, becoming floccoso- 

 even, flesh white, hyaline at gills ; stem curt, white, stuft'ed, 

 or fistulose, round or compressed, equal or thicker at apex, 

 smooth ; gills distant, rather thick, arcuate, then straight, 

 white, then flesh-colour. 



Grass flelds. Apethorpe. 



489. A. (Clitopilus) cretatus, B. and Br. ; pileus ^| in. 

 dead white, shining membranaceous, convex then umbilicate. 

 margin involute ; stem short, often curved and thickened at 

 base, tomentose, especially below, white ; gills narrow, rose- 

 colour. 



On naked soil in woods and pastures. Uncommon. 



II. Sericelli. — Pileus reyular, silhj or hygrojohanous-silkij, 

 margin involute ; gills adnate, slightly decurrent. 



490. A. (Clitopilus) carneo-albus, With. ; pileus 1 in., 

 white, somewhat fleshy, convexo-plane, orbicular, even, 

 slightly silky, somewhat disc- shaped ; disc at length 

 depressed, rufescent ; stem white, unequal, fibroso-striate ; 

 gills thin, somewhat distant, white, then flesh colour. 



