196 Cincinnati Society of Natural History. 
firm, sulcate, glabrous, reddish. Lamelle close, serrate, fleshy-white. 
Spores nearly globular, .004 mm. in diameter. 
About the base of old stumps. Pileus 1-14 in. broad, the stipes of 
variable length. Usually very nuch tufted with the stipe confluent 
below. 
B. Pileus dimidiate, sessile. 
8. L. urstnus, Fr.—Sessile, imbricate. Pilei fleshy-tough, eared- 
ascending, even, brown-reddish, when mature brown-tomentose below; 
the margin glabrous, entire. Lamelle broad, torn, whitish. 
Upon rotten trunks of beech. Pileus 1-2 in. long, and about 1 in. 
wide. Pileus quite thick, at first glabrous, expallent, ear-form. 
9. L. vuLrinus, Fr.—Sessile, imbricate-multiplex. Pilei fleshy-tough, 
conchate, connate behind, longitudinally costate-corrugate, floccose- 
scrupose, alutaceous; the margin*’incurved, entire. Lamelle broad, 
torn, white. Spores nearly globose, .0015 mm. in diameter, 
Upon old trunks of elm. Pileus 1-2 in. long, and about an inch 
broad, The spores abundant, powdering the plants. 
10. L. PELLIcULosus, Fr.—Sessile, imbricate. Pileus tough, mem- 
branaceous, reniform, very thin, strigose, brown-tawny; the margin 
naked, involute, Lamel!le broad, torn, pallid. 
Upon rotten trunks late in autumn. Pileus 2-4 in. long, and 1.3 in. 
broad. Pileus strigose with a dense hairy -coat like the skin of some 
animal, 
Genus XII.—Panus, Fr. 
The whole fungus fleshy-coriaceous, tough, drying up; the texture 
fibious, radiating into the hymenium. lLamelle concrete with the hy- 
menophore, unequal, at length coriaceous; the edge wholly entire. 
A, Pileus plainly stipitate. 
a. Lamellse decurrent, 1, 2. 
6b. Lamellee determinate, 3, 4. 
B. Pileus sessile or nearly so, 9, 6. 
A. Pileus plainly stipitate. 
a. Lamelle decurrent. 
1. P. concuatus, Fr.—Pileus fleshy-tough, thin, unequal, excentric 
and dimidiate, cinnamon then expallent, at length scaly. Stipe short, 
unequal, pubescent at the base. Lamellz lineately decurrent, some- 
what branched, white-fleshy then ochraceous. Spores white. 
