Psilocybe AGARICACE^E 1 89 



865. P. squalens Karst. (from its dirty colours ; s qualms > dirty) a. 

 P. flat, pale livid-ferruginous, pale dull clay-colour when dry. 



St. striate above, colour as P. G. adnato-decurrent, crowded, 

 cinnamon-umber. 

 Solitary or casspitose. On and near trunks ; rare. I J X 2^ X in. 



866. P. cernua Quel. (from the frequently drooping pileus ; cernito, 



to fall head foremost) a b c. 

 P. expanded, slightly wrinkled when dry, whitish. St. smooth, 



flexuous, colour as P. G. adnato-ascending, cinereous-blackish 



or slate-sprinkled. 

 Solitary or gregarious, usually csespitose. Dead wood, chips, leaves, lawns ; 



uncommon. Aug.-Dec. ij X 3J X J in. 



867. P. hebes Karst. (from the obtuse pileus ; hebes, blunt) a b. 



P. becoming flat, striate when moist, lurid, obscure olive, pale 

 when dry. St. naked, whitish. G. adnexo-rounded, broad, 

 crowded, brownish or brown. 



Usually solitary. Amongst grass and leaves, near chestnut-trees, trunks. 

 Nov. ij X ij X J in. 



868. P. foeniseeii Quel. (from its habitat, meadows ; fcenisicict, hay- 



harvest) a b c. 



P. campanulate, obtuse, pale ferruginous-fuscous to deep umber, 

 becoming paler in patches. St. pulverulent, then naked, 

 rufescent, sienna-tan or flesh-colour. G. adnato-ascending, 

 ventricose, separating from stem, umber to black-purple. 



Gregarious. Fields, lawns, roadsides, manure, horse-dung ; common. Feb. 

 Dec. | X 2| X ^ in. 



869. P. eallosa Quel. (from the tough stem ; callosus, having a hard 



skin) a b c. 



P. conico-campanulate, obtuse, pale buff. St. smooth, paler 

 than P. G. adnato-ascending, ventricose, sooty or purple- 

 black. 



Scattered or in small groups. Fields, lawns, roadsides. Aug. -Oct. 

 & X 2| X ^ in. 



870. P. clivensis Sacc. (from the place where it was first observed, 



King's Cliffe, Northamptonshire) a b. 



P. expanded, shining-atomate, striate, pallid brown or ochre to 

 white. St. silky, whitish. G. adnate, widely emarginate, 

 ventricose, umber, edge white. 



Amongst grass, on downs. June-Oct. \\ X if X \ in. 



871. P. catervata Mass, (from its fasciculate habit ; caterva, a troop) 



a. 



P. campanulate, obtuse, satiny, brittle, white. St. white. G. 



slightly adnexed, somewhat broad, crowded, purple-shaded or 



cinnamon, edge white. 

 On the ground. Oct. f X 2| X s in. 



