222 Psafhyra. 



tenuicula, Karst. P. very thin, campan. subexp. everywhere 

 striate, whitish, then livid or smoky, pale when dry ; g. adnate, pallid 

 then grey ; s. usually wavy, hyaline, pellucid, glabrous ; sp. 5 6 x 3. 



[subliquescens, Schum. P. conico-exp. brown-striate, viscid ; g. 

 nearly free, subliquescent ; s. elongated, attenuated, straight, pale 

 brown. 



[typhae, Kalchb. Small. P. thin, convex, striate, glabrous, 

 pallid ochre then pale umber; g. nearly free, whitish then fuscous; 

 s. naked, whitish, seated on an orbicular membranaceous arachnoid 

 mycelium. 



var. iridis, Boud. P. fuscous, striate, umbo rugulose, semipellucid ; 

 s. with a median ring ; sp. 10 13 x 6 7. 



[stricta, Trog. P. campan. silky-even, dry, pallid ; g. adnexed, 

 subdeliquescent, purplish umber ; s. tall, straight, glabrous, white. 



gyroflexa, Pr. P. 1 2 cm. conico-campan. striate, atomate, grey, 

 disc rufescent when dry ; g. adnexed ; s. 3 5 cm. flexuous, silky, 

 white ; sp. 8 10 x 4 5. 



II. OBTUSATI. Pileus campanulato-convex, expanding, 

 glabrous or atomate, gills piano- or arcuato-adfixed. 



spadiceo-grisea, Schaeff. P. 3 4 cm. conico-campan. then exp. 

 subumb. .glabrous, striate to middle, hygr. bay then greyish ; g. 

 narrow ; sp. 8 10 long. 



obtusata, Fr. P. 1 2 cm. campan. then exp. obtuse, glabrous, 

 corrugated, hygr. rather shining, umber then pale ; g. adnate ; s. 

 2 4 cm. pallid, base incurved ; sp. 6 7 x 4. 



[ombrophila, Karst. P. plane, orbicular, subgibbous, even, 

 granular ; g. adnexed, blackish ; s. reddish, base subtuberous ; sp. 

 yellowish, 4 6 x 2 3. 



neglecta, Mass. P. 6 8 mm. convex then exp. even, glabrous, 

 pale ochre, atomate and whitish when dry ; g. purple-brown ; s. 

 2 3 cm. rather wavy, white, pellucid ; sp. 12x6; cystidia abundant, 

 fusiform. 



Differs from P. urticaecola in glabrous p. 



[fagicola, Lasch. P. thin, campan. obtuse, striate, viscid, greenish- 

 blue, sublivid, fuscescent ; g. adnexed then separating, subliquescent, 

 brown. 



[Falkii. Weinm. P. thin, hemispher.-exp. pellucid, moist, hygr. 

 mealy grey when dry ; g. laxly adfixed, ventricose, umber then 

 fuscous-purple. 



[solitaria, K. Fragile. P. campan.-exp. glabrous, umber, pallid 

 tan when dry ; s. fistulose, equal, whitish, fibrillose, base with white 

 down ; sp. 6 7 x 3, cystidia ventricose-fusoid. 



[pallens, Karst. P. convex, even, often rugulose when dry, 

 atomate, naked, whitish when dry; g. subadnate, ascending, grey, 

 edge rosy ; s. equal, straight, naked, pallid ; sp. 18 25 x 12 13 ; 

 cystidia fusoid. 



