Part 2, 1908] POLYPORACEAE 87 
dry, 15-30 x 25-65 & 3-5 cm.; surface very uneven, azonate, opaque, hoary-isabelline, 
anoderm to very thinly encrusted, subshining and bay; margin thick, pallid, entire 
to undulate, weeping: context thick, zonate, subglistening, ferruginous-isabelline to 
fulvous, 2.5-4 cm. thick; tubes grayish-umbrinous- to fulvous within, 5-15 mm. long, 
slender, very fragile, mouths whitish when young, becoming somewhat resinous in ap- 
pearance and finally bay-brown, at first minute, circular, becoming angular, 4 toa mm., 
edges thin, fimbriate to lacerate, deeply splitting and separating with age: spores sub- 
globose, smooth, 8-10 X 7-84, the outer wall hyaline, the inner membrane brown ; cystidia 
15-35 X 5-9 uz. 
TYPE LOCALITY : Sweden. 
HABITAT: Trunks of various species of oak. 
DISTRIBUTION: Eastern United States west to Kentucky ; also in Europe. 
ILLUSTRATION: Hussey, Ill. Brit. Fung. 1: pl. 26. 
ExsiccaTr: Roum. Fungi. Gall. 2903; Thiim. Myc. Univ. 4; Roum. Fungi Sel. 6536; Thiim. 
Fungi Austr. 712. 
3. Inonotus dryophilus (Berk.) Murrill, Bull. Torrey 
Club 31: 597. 1904. 
Polyporus dryophilus Berk. Lond. Jour. Bot. 6: 321. 1847. 
Pileus thick, unequal, unguliform, subimbricate, rigid, 7-8 x 10-14 2-3 cm.; surface 
hoary-flavous to ferruginous-fulvous, becoming scabrous and bay with age; margin thick, 
usually obtuse, sterile, pallid, entire or undulate: context ferruginous to fulvous, zonate, 
shining, 3-10 mm. thick; tubes slender, concolorous with the context, about 1 cm. long, 
mouths regular, angular, 2-3 to a mm., glistening, whitish-isabelline to dark-fulvous, edges 
thin, entire to toothed : spores subglobose, smooth, deep-ferruginous, 6-7 #; cystidia scanty 
and short; hyphae deep-ferruginous. 
TYPE LOCALITY : Ohio. 
HapitaT: Living or dead oak trunks. . . . 
DISTRIBUTION: Pennsylvania, Virginia, Ohio, Missouri, and, Wisconsin. 
4. Inonotus pusillus Murrill, Bull. Torrey Club 31: 599. 1904. 
Pileus sessile, convex, flabelliform, tapering to a narrow base, ¢rumpent from len- 
ticels, 2 2 0.5-1 mm.; surface ferruginous to fulvous, silky-striate, subzonate, shin- 
ing, margin pallid, acute, often depressed: context thin, fibrous, 'ferruginous; tubes 
umbrinous, comparatively large, 2-4 toa mm., polygonal, becoming irregular, much 
exceeding in length the thickness of the context, mouths at first whitish-pulverulent, 
dissepments thin, entire: spores small, ovoid, 3.5.54, pale-ferruginous, copious ; hyphae 
concolorous, 
TYPE LOCALITY: Manzanillo, Mexico. 
HasiTatT: Dead branches’of Jacguinia. . 
DISTRIBUTION : Known only from the type locality. 
5. Inonotus pertenuis Murrill, sp. nov. 
Pileus very thin, slightly flexible, fragile, sessile, densely imbricate, decurrent, later- 
‘ally connate, conchate, 2-346 0.1-0.2 cm.; surface striate, hispid-squamulose, ano- 
derm, spuriously zoned, fulvous; margin very thin, lobed, fimbriate, sharply decurved in 
dried specimens: context fulvous, corky, 1 mm. or less thick ; tubes ferruginous to ful- 
yous, 1-1.5 mm. long, mouths circular to angular, minute, 5-6 to a mm’, edges thin, entire 
to lacerate, fragile, ferruginous to dark-fulvous: spores ovoid, smooth, pale-ferruginous, 
5XK4 #. 
Type collected on El Yunque, Cuba, March, 1903, on much-decayed wood, L. M. Underwood 
& FOS. Earle 1071. ; 
DISTRIBUTION : Known only from the type locality. 
6. Inonotus fulvomelleus Murrill, sp. nov. 
Pileus somewhat irregular, dimidiate to subcircular, compressed-ungulate, 3-5 5-10 
1-3 cm.; surface uneven, ferruginous to fulvous, slightly spuriously zonate, roughly hir- 
