242 TRICHOLOMA 



broad, edge uneven. Flesh white, or yellowish, thin. Spores white, 

 broadly elliptical, 10 x 6-7 /LI, punctate. Pastures. May Sept. Un- 

 common, (v.v.) 



713. T. subpulverulentum (Pers.) Fr. (= Tricholoma medium Paul. 



sec. Quel.) Hussey, Illus. Brit. Myc. n, t. 39. 



Sub, somewhat; pulverulentum, dusty. 



P. 4-8 cm., livid, becoming whitish with the innate pruina, fleshy, 

 convex, then plane, or depressed; margin inflexed, exceeding the gills. 

 St. 4-6 x 1 cm., concolorous, equal, smooth, substriate, apex obsoletely 

 pruinate. Gills white, becoming darker, rounded, crowded, narrow. 

 Flesh white, hygrophanous. Spores very pale ochraceous in the mass, 

 elliptical, 6-7 x 4/z, minutely punctate. Often forming large rings in 

 pastures, and woods. Aug. Oct. Uncommon, (v.v.) 



(b) Gills becoming violet, grey, or fuliginous. 



714. T. sordidum (Schum.) 'Fr. Barla, Champ. Alp. Marit. t. 47, 



figs. 10-18. Sordidum, dirty. 



P. 3-8 cm., bistre, or livid-lilac, becoming fuscous and pale when old, 

 somewhat fleshy, campanulato-convex, then plane, or depressed, sub- 

 umbonate, often undulate, or excentric when old, smooth; margin 

 often slightly striate at maturity. St. 4-6 x 1-2-5 cm., concolorous, 

 flexuose, pliant, often thickened at the base, fibrillosely striate. Gills 

 violaceous, becoming pale, or fuliginous, rounded, then sinuato-decur- 

 rent, at length distant. Flesh grey, or tinged with lilac, thin. Spores 

 pale ochraceous in the mass, elliptical, 7-8 x 4/x,. Taste mild. Edible. 

 Pastures, hedgerows, and manure heaps. July Nov. Common, (v.v.) 



715. T. paedidum Fr. Fr. Icon. t. 46, upper figs. Paedidum, nasty. 

 P. 3-5 cm., fuliginous mouse grey, somewhat fleshy, flaccid, cam- 



panulate, then convex, flattened, umbonate, at length depressed round 

 the conico-prominent umbo, moist, radiately streaked with innate fibrils, 

 becoming smooth. St. 2-5-4 cm. x 4-6 mm., dingy grey, subcarti- 

 laginous, slightly bulbous at the base, substriate. Gills whitish, then 

 grey, sinuate with a small decurrent tooth, narrow, crowded. Flesh 

 becoming white, very thin, very tough. Spores white, "elliptic-fusi- 

 form, 10-11 x 5-6/Li" Massee. Grassy places in woods. Aug. Eare. 



716. T. lixivium Fr. (= Tricholoma arcuatum (Bull.) Quel.) Fr. Icon. 



t. 45, lower figs. Lixivium, made into lye. 



P. 5-10 cm., cinereous fuscous, then umber, slightly fleshy, convex, 

 then plane, umbonate (the umbo vanishing), sometimes sinuous, 

 smooth; margin flattened, membranaceous, at length slightly striate. 

 St. 58 x -5-2 cm., concolorous, at first white-fioccoso-pruinose, often 

 flexuose, apex white, fragile. Gills grey, rounded-adnexed, truncato- 

 free, distant, soft, 6 mm. broad, sometimes crisped, attenuated from 



