192 AGARICACE^E Psathyra 



877. P. gypoflexa Que'l. (from the weak flexuous stem ; gyrus, a 



circle, flexiis, bent) a b. 



P. atomate, striate, whitish or pale grey; mid. pale buff or 

 rufescent. St. white, silky-shining. G. adnato-ascending, 

 ventricose, greyish-purple to slate. 



Scattered or subcaespitose. Margins of woods, amongst rubbish. Aug. 

 i| X 2 x & in. 



b, Obtnsatce. 



878. P. spadieeogrisea Quel. (from the brown-grey pileus; spadix, 



bay-brown, griseus, grey) a b c. Watery, fragile. 

 P. even, pellucid-striate to mid., date-brown, greyish and buff 

 when dry. St. subpulverulent, striate above, whitish. G. 

 adnexed, crowded, narrow, umber-fuscous or brown. 



Solitary or gregarious, subcsespitose. On trunks, old boards, chips, on the 

 ground. Aug.-Nov. if X 3^ X \ in. 



879. P. obtusata Gill, (from the obtuse pileus) a b c. 



P. even, brown-fuscous or pale umber, paler and striate at marg. 

 St. fibrilloso-silky, not pulverulent, even above, whitish. G. 

 adnate, broad, subdistant, ashy-brown or umber. 



Single or csespitose. Woods, on the ground, on wood, trunks, oak ; rare. 

 June-Dec. l| X 2 X J in. Stem sometimes rooting. 



880. P. negleeta Mass, (from its having been overlooked) a b. 



P. almost plane, even, glabrous, atomate, pale rufous, almost 

 white when dry ; mid. pale clay. St. somewhat wavy, pellucid, 

 pruinose above, white, tinged pale rufous below. G. slightly 

 attached, ventricose, crowded, pink then purple-brown. 



On the ground, gardens. Oct.-Nov. | X i X ^ in. 



c. Fibrillostz. 



881. P. frustulenta Sacc. (from its fragility, breaking at a touch ; 



frustulentus, full of pieces) a. 



P. hygrophanous, glabrous, substriate, sienna-tan, tan when dry. 

 St. subwavy, whitish. G. adnato-ascending, crowded, brownish. 



Gravel in damp places. Sept. ij x 2\ x ^ in. 



882. P. bifpons Sacc. (from the two-coloured pileus ; bifrons, with 



two faces) a b. 



P. obtuse, subwrinkled, ochreous-brown tinged with red, whitish 

 when dry, evanescent white-fibrillose. St. subrooting, minutely 

 satiny, fibrillose below, white. G. adnate, broad, ventricose, 

 pink-cinereous ; edge white. 



Sometimes two or three connate. Woods, amongst sticks, twigs, chips ; 

 rare. Aug.-Sept. ij X 3 X ^ in. Var. semitiiicta Sacc. P. vinous- 

 purple ; mid. pale ochre. 



