290 NORTH AMERICAN FLORA [VoLuME 9 
Panus conchatus Fries, Epicr. Myc. 398. 1838. 
Panus flabelliformis Quél. Fl. Myc. Fr. 325. 1888. 
Pileus soft-fleshy to coriaceous, varying in shape from nearly circular with eccentric stipe 
to flabelliform or dimidiate with lateral stipe, plane to depressed, infundibuliform at times, 
usually cespitose, 5-10 X6-12 cm.; surface glabrous and polished, faintly radiate-striate, be- 
coming squamulose at times with age, isabelline to cinnamon, sometimes tinged with lilac, 
opaque and varying in color when young, margin involute, concolorous, often distinctly lobed: 
context easily torn but flaccid and drying thin, taste rather mild; lamellae decurrent, narrow, 
close, rather firm, dull-white with a rosy tint, becoming somewhat ochraceous, a few of them 
forking: spores ellipsoid, smooth, hyaline, 6.5-7 X4-5 u: stipe short, unequal, oblique, eccentric 
to lateral, pruinose to grayish-tomentose, whitish or concolorous, pubescent at the base, 2-4 
cm. long, about 1.5 em. thick. 
TYPE LOCALITY: Jena, Germany. 
Hawirar: On dead trunks of various deciduous trees. 
DistRIBUTION: Eastern United States and west to Minnesota and Kansas; also in Europe. 
InLusrrations: Gill. Champ. Fr. pl. 249 (511); Hard, Mushrooms f. 180; Lanzi, Funghi Mang. 
pl. 44, f. 3; Bull. Herb. Fr. pl. 298. 
4, Lentinus orizabensis Murrill, sp. nov. 
Pileus minute, convex, umbilicate, solitary, 5-8 mm. broad; surface glabrous, smooth, 
white tinged with yellow, margin concolorous, entire to lobed, involute: lamellae several times 
inserted, narrow, distant, adnate to somewhat decurrent, ochraceous-isabelline, the edges entire: 
stipe short, thick, milk-white, smooth, pruinose, central or slightly eccentric, subequal, about 
3 mm. long and 1.5 mm. thick. 
Type collected on a dead fallen banana leaf in an orchard at Orizaba, Mexico, January 10-14, 
1910, W. A. & Edne L. Murrill 813 (herb. N. Y. Bot. Gard.). 
DistRIBUTION: Known only from the type locality. 
5. Lentinus graminicola Murrill, Mycologia 3:33. 1911. 
Pileus small, regular, funnel-shaped, mostly solitary, 2-3 cm. broad, the central depression 
about 5 mm. wide; surface glabrous, smooth, isabelline; margin fibrillose, concolorous, deflexed 
on drying: context thin, rigid when dry; lamellae white, of medium breadth and distance apart, 
unequal, decurrent, edges entire: spores smooth, ovoid, hyaline, 7X4 u: stipe gradually enlarged 
above, abruptly swollen at the base, glabrous, smooth, concolorous, solid, 2-3 cm. long, 2-3 mm. 
thick. 
Type LOCALITY: Herradura, Cuba. 
Hapitat: Among grass attached to old grass roots. 
DIstRIBUTION: Western Cuba. 
6. Lentinus subscyphoides Murrill, Mycologia 3: 34. 1911. 
Pileus very thin, nearly regular, funnel-shaped, gregarious to cespitose, 2-4 em. broad; 
surface smooth, glabrous, avellaneous tinged with russet or fuliginous when young, becoming 
isabelline at maturity; margin involute, concolorous, glabrous: context thin, tough, rigid on 
drying; lamellae lilac when young, changing to isabelline, narrow, crowded, unequal, decurrent, 
a few of them bifurcate at the base, edges entire: spores ovoid, smooth, hyaline, 3.52.5 p: 
stipe long, slender, slightly enlarged above and below, cinereous, pruinose, 2-3.5 em. long, 
1.5-2.5 mm. thick. 
‘TPE LOCALITY: Moore Town, Jamaica. 
Hapirat: On dead sticks in dense woods. 
DISTRIBUTION: Jamaica, Martinique, Porto Rico, and British Honduras. 
7. Lentinus scyphoides Pat. Bull. Soc. Myc. Fr. 15: 195. 1899. 
Pileus regular, thin, membranous, deeply depressed, 10-15 mm. broad ; surface glabrous, 
shining, reddish-brown, margin incurved, not striate: lamellae unequal, long-decurrent, crowded, 
narrow, rather thick, entire, ochraceous: spores ovoid, smooth, hyaline, 43 u: stipe slender, 
short, pruinose, ochraceous, slightly thickened below, 15-20 mm. long. 
TYPE Locality: Guadeloupe. 
Hapsitat: On dead branches on the ground. 
DisTRIBUTION: Guadeloupe. 
