366 PSILOCYBE 



oval, 8-9 x 5-6 /u-. Cystidia on edge of gill filamentous" Eick. 

 Heaths, pastures, rarely on dung. Feb. Oct. Not uncommon, (v.v.) 



1161. P. atrorufa (Schaeff.) Fr. Schaefl. Icon. t. 234. 



Ater, black; rufa, red. 



P. 1-1-5 cm., black-rufous, or purple-fuscous, becoming very pale 

 when dry, fleshy, hemispherico-convex, obtuse, or with a knob, 

 smooth, striate at the margin when in full vigour, without striae when 

 dry. St. 2-5-5 cm. x 2 mm., pallid date brown, equal, fibrillose, or 

 smooth, fragile, apex pruinose. Gills greyish, then umber, or purple 

 umber, adnate, subdecurrent, triangular, broad, edge white. Flesh 

 thin. Spores "yellowish under the microscope, oval-elliptical, 7-8 x 

 4-5/1. Cystidia on edge of gill fusiform-subulate, 30-36 x 4-6 /u," 

 Rick. Mixed woods. Nov. Rare. 



1162. P. nuciseda Fr. Cke. Illus. no. 601, t. 609, fig. B. 



Nux, a nut; sedeo, I sit. 



P. 1-2 cm., light yellowish, fleshy, convex, subumbonate, slightly 

 silky when dry. St. 2-3 cm. x 2 mm., pallid, becoming fuscous, at- 

 tenuated downwards, tough, base white villose. Gills fuscous, then 

 umber black, adnate, scarcely decurrent, broad, plane. Flesh yellow- 

 ish, thin. Spores "brown, elliptical, 8 x 4/u," Massee. Beech mast, 

 hazel nuts, and among chips. Rare. 



***Gills somewhat linear, ascending. 



1163. P. tegularis (Schum.) Fr. Tegula, a tile. 

 P. tan colour, fleshy, acorn-shaped, then campanulate, smooth, 



rimosely areolate. St. pallid, attenuated upwards from the thickened base, 

 firm. Gills becoming fuscous, attenuato-adnexed, ascending, crowded. 

 Grassy places. Sept. Oct. Rare. 



1164. P. compta Fr. (= Agaricus comptulus B. & Br. non Fr.) Cke. 

 Illus. no. 603, t. 589, fig. A. Compta, adorned. 



P. 2-5-4 cm., pallid, then ochraceous, submembranaceous, conical, 

 then expanded, striate, sprinkled with shining spots; margin sub- 

 crenulate. St. 5 cm. x 23 mm., pallid, pale rufous downwards, 

 flexuose, silky-shining. Gills rosy umber, adnate, ascending, distant. 

 Flesh white, thin. Spores purple brown. Amongst grass. Woods. 

 Sept. Oct. Rare. 



1165. P. semilanceata Fr. Cke. Illus. no. 604, t. 572. 



Semi-, half; lanceata, spear-shaped. 



P. 1-2-5 cm., yellow, green, or fuscous, submembranaceous, acutely 

 conical, almost cuspidate, 10-15 mm. high, never expanded, covered 

 with a viscid pellicle, separable in wet weather; margin incurved when 



