198 AGARICACE^E Psathyrella 



or purplish below. V. fugacious or obsolete. G. adnato- 

 ascending, crowded, grey and black, edge whitish. 

 Pastures, rich ground, horse-dung, amongst grass ; common. June-Nov. 

 if X 4i X in. 



904. P. ealiglnosus Gill, (from its gloomy colour ; caligo, gloom) a b c . 

 P. obtuse, even, smooth, ochreous-brown or grey. St. naked, 



rufescent-brown, lighter above. V. feeble or obsolete. G. 

 adnato- or adnexo-ascending, ventricose, fuliginous-black. 

 Rich pastures, lawns. Oct. -Nov. -f s X 2f X T V in. 



905. P. subbalteatus Sacc. (from the somewhat zoned margin of the 



pileus ; balteus, a band) a. 



P. obtuse or subumbonate, hygrophanous, irregular, subwrinkled, 

 dull fawn or pale ochreous ; mid. pale sienna. St. splitting 

 longitudinally, white-fibrillose, red-brown and ochreous above, 

 pale sienna below. G. adnato-ascending, ventricose, brownish 

 edge toothed, white. 



Csespitose. Borders of fields, on the ground. Sept. -Oct. f x 3! X T ^ in. 



906. P. aeuminatus Quel. (from the sharp apex of the pileus ; 



acnminatus, sharp pointed) a b. 

 P. even, shining, flesh-tan ; mid. faint sienna. St. pruinose, tan 



above, fuscous below. G. adnexo-ascending, crowded, grey 



and black. 

 Dung, roadsides. Oct. -Nov. x ii X & in. 



907. P. fimieola Quel. (from the usual habitat ; fimus, dung, colo, to 



inhabit) a l> c. 



P. obtuse, smooth, opaque, fuliginous-grey, clay-hoary when dry ; 

 marg. with a fuscous zone. St. slightly silky-striate, white- 

 pruinose above, dingy below. G. adnato-ascending, ventricose, 

 grey and fuliginous. 



Dung, rich pastures ; rare. Oct. X 3^ X T V ^ n - 



908. P. einetulus Sacc. (from the zone round the margin of the 



pileus ; einctns, a girdle) a. 

 P. even, smooth, reddish-cinnamon ; marg. zoned, dark brown. 



St. dull fuscous. G. ascending, adnexo-free, dusky- or olivaceus- 



black or slate. 

 Dunghills after rain. June-July. 2f X 4j X \ in. 



XLI. PSATHYRELLA Quel. 

 (Diminutive of Psathym.} 



Veil almost obsolete. Hymenophore confluent with, but hetero- 

 geneous from the cartilaginous stem, f ileus membranous, striate ; 

 margin not exceeding the gills, straight and at first adpressed to the 

 stem. Stem central, fistulose, simple. Gills adnate or free, not 

 variegated or becoming fuscous or purple, not deliquescent. Spores 

 black or nearly so. (Fig. 50.) 



The species grow on rich ground, in gardens, by hedges and 

 stumps, sometimes on wood. 



