418 PSATHYEA 



1343. P. helobia Kalchbr. (= Psathyra corrugis (Pers.) Fr. sec. Rick.) 

 Kalclibr. Icon. t. 17, fig. 4. eXo?, a marsh; /3to?, life. 



P. 4-6 cm., fuliginous umber, becoming pallid day colour, or some- 

 what rufescent when dry, scarcely fleshy, hygrophanous, campanulate, 

 soon plane or depressed, slightly umbonate, radiately rugose, with 

 concentric, elevated ridges towards the spreading, striate margin. St. 

 10-20 cm. x 2-3 mm., paler umber than the p., rufescent, becoming 

 pallid when dry, equal, undulate, flexuose, covered with lax, whitish, 

 fugacious flocci, fragile. Gills fuliginous, adnate, rounded behind, 

 ventricose, somewhat crowded. Flesh watery reddish. Spores black, 

 "elliptical, ends rather acute, 12 x 6/1" Massee. Gregarious. Moist 

 places in pine woods. Sept. Rare. 



1344. P. pennata Fr. (= Hypholoma pennatum (Fr.) Quel.) Cke. 

 lUus. no. 620, t. 580, fig. B. Pennata, feathered. 



P. 2-3 cm., inclining to livid, then white, or becoming fuscous-brick 

 when young, submembranaceous, ovate, then campanulate, 12 mm. 

 high, for a long time densely clothed with white, fugacious, plumose 

 scales towards the margin, at length naked. St. 2-5-4 cm. x 2-4 mm., 

 white, then silvery, fragile, equal, villose, apex white pulverulent. Gills 

 livid, then fuscous blackish, adnexed, ventricose, 4-5 mm. broad, 

 crowded, edge often white. Flesh pallid, thin at the margin. Spores 

 blackish purple, pip-shaped, 8-10 x 4-5 JLI, 1-guttulate. Cystidia "on 

 surface of gill lanceolate-pointed, 50-70 x 10-20/z, on edge of gill 

 vesiculose-clavate, 40-50 x 8-10/Li, sometimes with reddish con- 

 tents" Rick. Gregarious. Burnt soil, and sawdust. Woods and 

 gardens. June Oct. Uncommon, (v.v.) 



1345. P. gossypina (Bull.) Fr. (= Hypholoma gossypinum (Bull.) 

 Quel.) Cke. Illus. no. 621, t. 612, fig. A. Gossypina, cottony. 



P. 1-5-3 cm., ochraceous clay, disc darker, submembranaceous, cam- 

 panulate, then expanded, tomentose with white, fugacious flocci, soon 

 becoming smooth', margin striate. St. 4-5 cm. x 3 4mm., whitish, 

 densely tomentose with white, erect flocci, equal, or slightly attenuated 

 at the base, fragile. Gills white, then fuscous-black, adnate, 34 mm. 

 broad, ventricose, crowded. Flesh yellowish, thick at the disc. Spores 

 purple, elliptical, 8-9 x 4/x. Subcaespitose. On the ground, and on 

 twigs. Woods and heaths. May Oct. Not uncommon, (v.v.) 



1346. P. noli-tangere Fr. (= Hypholoma noli-tangere (Fr.) Quel.) FT. 

 Icon. t. 138, fig. 3. Noli-tangere, touch not. 



P. 1-2-5 cm., pallid umber, or dark fuscous, becoming pale when dry, 

 very hygrophanous, fragile, membranaceous, campanulate, then ex- 

 panded, obtuse, smooth, striate throughout, becoming even when dry, 

 covered with white, fugacious, thin flocci round the margin. St. 2- 

 4 cm. x 1-2 mm., pallid fuscous, base darker, equal, very fragile, often 



