r 



\ 



No. 104.] 73 



subdistant, rounded behind, radiating from a lateral or eccentric 

 point, whitish, then ferruginous; spores subelliptical, .00035 to .OOO-A 

 in. long, .00025 to .0003 broad. 



Decaying wood, bark, etc., in damp, shaded places. Common. 

 June to October. 



This species, and C, herharum appear to run together, and but for 

 the marked difference in the size of their spores I should have united 

 them. The latter is not limited in its habitat to the stems of herbs, 

 and the former sometimes, though rarely, occurs on them. C. her- 

 harum is a smaller species with a thinner pileus, nearly always resupi- 

 nate, and when reflesed, less densely tomentose. Its smaller spores 

 especially distinguish it. Both appear to be closely allied to the 

 European C. chinionophihcs, which seems to be distinguished by its 

 "oblong elliptical" spores, and its few distant lamelke attenuated 

 behind. 



Crepidotus fulvotomentosus, Pk. 

 Tawny-tomentose Agaric. 



Pileus eight to twenty-four lines broad, scattered or gregarious, 

 suborbicular, reniform or dimidiate, sessile or attached by a short, 

 Avhite-villose tubercle or rudimentary stem, hygrophanous, watery- 

 brown and sometimes striatulate on the margin when moist, whitish, 

 yellowish or pale ochraceous when dry, adorned with small, tawny, 

 hairy or tomentose scales ; lamelhe broad, subventricose, moderately 

 close, rounded behind, radiating from a lateral or eccentric white vil- 

 lose spot, whitish becoming brownish-ferruginous ; spores ellq^tical 

 often uninucleate, .0003 to .000-i in. long, .000-3 to .00025 broad. 



Decaying wood of poplar, maple, etc. Common. June to Oc- 

 tober. 



A pretty species, corresponding in some respects to the European 

 C. calolepis, but much larger and with tawny, instead of rufescent 

 scales. The cuticle is separable and is tenacious though it has a hya- 

 line gelatinous appearance. The pileus is subpersistent, and specimens 

 dried in their place of growth are not rare. 



Crepidotus dorsalis, Pk. 

 Dorsal Agaric. 



Pileus eight to fifteen lines broad, sessile, dimidiate or subrcniform, 

 plane or slightly depressed behind, with a decurved substriate margin, 

 slightly fibrillose-tomentose, reddish-yellow; lamelhe close, ventricose, 

 rounded behind, radiating from a lateral white villose spot, yellowish, 

 then brownish-ochraceous or subferrugiuous; sipores globose, .00025 in. 

 broad. 



Decaying wood. Sprakers and Adirondack mountains. June aiul 

 September. Buffalo. G. W. Clinton. 



The tomentum of the pileus is more dense and conspicuous about 

 the point of attachment, where it sometimes forms minute tufts or 



[Assem. Doc. No. 104.] JO 



