Report of the State Botanist. 41 



stem short, curved, subpruinose or sprinkled with mealy particles, 

 at first whitish with a brown base, then brown with a whitish 

 top ; spores elliptical, .0003 in. long, .00016 broad, generally con- 

 taining a single large nucleus. 



Pileus 2 to 4 lines broad ; stem 4 to 6 lines long. 



Bark of oak trees. Cattaraugus county. September. 



This species is distinguished from Mycena corticola by its paler 

 pileus, more narrow and, at length, decurrent lamellae and ellip- 

 tical spores. 



Omphalia gracillima Weim. 

 Slender Omphalia. 



(Hym. Europ. p. 165. Syl. Fung. vol. V, p. 332 ) 



Pileus membranaceous, hemispherical, papillate or umbilicate, 

 somewhat flocculose when young, becoming glabrous, sulcate on 

 the margin, white; lamella? thin, somewhat distant, decurrent, 

 the alternate ones shorter, white ; stem filiform, white, inserted 

 by a floccose base; spores elliptical, ,00024 in. long .0001 broad. 



Pileus 2 to 3 lines broad ; stem 4 to 8 lines long. 



Dead twigs and fallen leaves in wet places. Rensselaer county. 

 September. 



A very small delicate species, the whole plant pure white. 



Omphalia stellata P>'. 

 Stellate Omphalia. 



(Hym. Europ. p. 162. Syl. Fung. vol. V, p. 385.) 



Pileus membranous, convex, umbilicate, glabrous, striate, dia- 

 phanous, white; lamellae broad, very distant, thin, decurrent, 

 white; stem filiform, fragile, equal, glabrous, white, radiate- 

 floccose at the base; spores subglobose or broadly elliptical, .00024 

 in. long, .0002 broad. 



Pileus 2 to 4 lines broad ; stem 6 to 10 lines long. 



Decaying prostrate trunks of trees in woods. Albany county. 



August. 



Omphalia Rhododendri Pk. 



Rhododendkon Omphalia. 



(Eleport 27, p. 94.) 



Pileus convex, umbilicate, glabrous, slightly viscid when moist, 

 striate on the margin, white ; lamellee subdistant, arcuate, 

 decurrent, white, beaded on the edge with gland-like protuber- 

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