18 



New North American Fungi. 



By J. B. Ellis. 



Paxillus aurantiacus.— Pileus more or less excentric, concave, 

 innate, tomentose, dirty yellow-brown, li'-?^' across, margin involute 

 when young, expanded when mature ; flesh dirty yellowish-white, 

 compact in the centre ; lamellae bright orange, paler at first^ 

 deepenmg to orange-red when dry, decurrent, 4-6-times forked, edges 

 entire, obtuse, scarcely exceeding f wide, moderately crowded ; stem 

 solid, spongy, short, i' long by i'-^' thick, subequal, mostly curved, 

 covered with a^ short rusty-brown tomentum ; spores white, oblong- 

 elhptical, .ooo2'x.oooT5'. Pileus subviscose in wet weather. 



On moss-covered decaying cedar logs and stumps in a swamp, 

 November, 1881, " 



Agaricus (Pleurotus) niphetus— Pileus lateral, subimbri- 

 cated thin, flabelliform, spathulate-reniform, 2-3' wide and lon^^ 

 narrowed to the sessile base, but without any distinct stipe, convex,' 

 innate-tomentose, snow-white throughout, becoming yellowish in 

 drying; lamellae narrow, unequal, crowded; spores white, nearly 

 orbicular, .00015'- 000275' i" diameter with a large nucleus, or two 

 or three small ones. 



On decaying logs and stumps of pine and cedar in a swamp, 

 Oct., Nov. ^ 



Peziza (Sarcoscypha) aurantiopsis.— Sessile, about one inch 

 across, with a coarse, felt-like, black-brown mycelium at the base 

 matting together the leaves, etc., on which it grows; the outside of 

 the CLIP also coated with coarse (.00025' diam.) brown, smooth 

 sparingly-branched, continuous hairs ; disk clear pale vellow, nearly 

 sulphur-yellow, becoming dull orange when dry ; margin thin, pale, 

 narrow, erect; flesh white, thick H'-i'), firm, elastic, dry ; asci 

 cyhndncal, subtruncate above, .0013-.0014x.0006' ; paraphyses stout, 

 septate, slightly thickened above ; sporidia cblong-elliptikl, granular 

 .0009-001 X. 0006, epispore smooth. ^ > t, , 



On the bare soil and on decaying wood and leaves in low s'andv 

 oak and pine woods, Sept. 18S1. ' ^' 



Peziza (Sarcoscypha) scutelloides.— Sessile, A'-i' across 

 outside sparingly clothed, and margin fringed with dark brown, i-^ 

 septate hairs ; disk, bright red, as in F. scutellafa, L., which this out- 

 wardly much resembles; asci cylindrical sessile, .oo6'x 0007' • 

 paraphyses stout, clavate, thickened above and filled with orancre- 

 colored granular matter ; sporidia uniseriate, globose, smooth, with a 

 smgle large nucleus, about .0005' in diameter ' ' 



Eve^h.nT IT^'^'H^r '' ^^T''^ ^"■' J^"^^ '^"d J^J)^' ^88t, Haines, 

 h^verhart, Jeffens and Gray, Nos. 165 and 180 ■>'',' 



Peziza Dasyscypha) r.ATEBRosA.-Stipitate, yellowish-white 

 .015 high, clothed throughout with short, spreading, glanLar hairs 

 disk concave, .01 across, dull white, with a faint tin4 of roe color ' 

 margin incurved and fringed with straight, rough hai?s faintly septate 

 below, obtuse or slightly enla-ged above and \hou\ ^3^ ^^^^'^^^. 

 clavate-c>aindric oox'-^o.3'lLgtroo- Vde'^V^^^^^^^^^ 

 linear, not pointed above ; sporidfa b'iseriate, simpl^, iyaref.ooo,;'- 



