State Museum of Natural History. 63 



white; broadly elliptical or subglobose, .00016 to .0002 in. long, .00012 

 to .00016 broad. 



Pileus 3 to 5 lines broad, stem about 1 in. long, .5 to 1 line thick. 



Mossy decayed wood and stumps. Gansevoort. July. 



A small white species related to G. Micheliana, C. muscigena and 

 C. ludia, but differing from these by its broad ventricose lamellse. 



Omphalia subgrisea, n. sp. 



Pileus membranaceous, convex or nearly plane, glabrous, striatu- 

 late, grayish-brown with a paler margin; lamellse distant, arcuate- 

 decurrent, cinereous; stem slender, short, stuffed, generally curved, 

 sprinkled with minute mealy particles, colored like the pileus. 



Pileus 2 to 3 lines broad; stem 6 to 10 lines long. 



Decayed wood of birch, Betula lutea. Blue Mountain lake, 

 Adirondack mountains. July. 



In color this plant resembles Mycena vulgaris, or grayish forms of 

 M. clavicularis; in size, M. corticola.' When very young the stem is 

 conical and the pileus is more narrow than its base. 



Mycena capillaripes, n. sp. 



Pileus -membranous, campanulate, glabrous, hygrophanoiis, livid 

 gray or brownish and striate when moist, paler when dry, odor weak, 

 alkaline; lamellse ascending, subdistant, adnate, whitish or livid- 

 white, the edge obscurely brownish-purple; stem slender, almost 

 'capillary, fragile, glabrous, hollow, colored like the pileus; spores 

 narrowly elliptical, .0003 in. long, .00016 broad. 



Pileus 3 to 5 lines broad; stem 1.5 to 2.5 in. long, scarcely .5 line 

 thick. 



Under pine trees. Earner. August. 



This species is related to Mycena rubromarginata from which I have 

 separated it because of its smaller size, slender stem, paler color, 

 smaller spores and alkaline odor. It is also much smaller and paler 

 than M. purpureofusca. 



Mycena crystallina, n. sp. 



Pileus membranous, at first conical or convex, then nearly plane, 

 sometimes with a slight umbo and reflexed margin, even or obscurely 

 • striate on the margin, everywhere beset with minute shining viscid 

 glandular particles, pure white; lamellse narrow, thin, adnate, close, 

 white; stem short, slender, hollow, colored and adorned like the 

 pileus, attached by white woolly hairs. 



Pileus 2 to 5 lines broad; stem 4 to 8 lines long. 



