17G OUTLINES OF BRITISH 1 UNGOLOGY. 



On (lung, rich pastures, etc. Not gathered since Bolton^s 

 time. 



Subgenus 27. Psathtrella. — A'eil not interwoven. Pileus mem- 

 branaceons ; margin not rcacliing beyond the gills. 



351. A. (Psathyrella) graoilis, Fr. ; pileus submenibraiia- 

 ceous, conical, slightly striate when moist, hygrophanous ; 

 stem slender, straight, naked, pallid; gills broadly adnate, 

 rather distant, cinereous-black, edged with pale-rose. 



On hedge- borders. Very common. Pileus brownish, at 

 length often tinged with pink, 



352. A. (Psathyrella) hiascens, Fr. ; pileus membranaceous, 

 campanulate, deeply sulcate ; disc even ; stem straight, rigid, 

 brittle, smooth, white ; gills adnate, linear, rather distant, 

 acute in front, pallid, then black. — Bull. t. 552. /. 2 F. 



Under hedges. Woodnewton. Pileus 1 inch high, 1| 

 inch across, sulcate up to the disc, pale dirty-ochraceous. 



353. A. (Psathyrella) aratus, n. s. ; pileus membranaceous, 

 campanulato-conic, rather acute, deeply sulcate ; stem tall, 

 thickened at the base, white, smooth, fistulose ; gills lanceolate, 

 quite free, purplish-black. 



Under hedges. Woodnewton. Pileus 1 inch high, ^ across, 

 bright brown ; flesh of the disc ot the same colour ; stem 5 

 inches high. Allied to A. hydrophorus, Bull., but clearly 

 distinct. 



354. A. (Psathyrella) atomatus, Fr. ; pilous submcmbra- 

 naceous, campanulate, obtuse, slightly striate, hygrophanous, 

 when dry rugulose, sparkling; stem brittle, white, mealy above; 

 gills broad, adnate, cinereous-black. 



About hedge-borders, etc. Very common. Pileus at first 

 brownish, then tinged with pink. 



355. A. (Psathyrella) disseminatus, P. ; pileus membra- 



