106 NORTH AMERICAN FLORA [VoLuME 9 
12. Pyropolyporus Underwoodii Murrill, Bull. Torrey 
Club 30: 116. 1903. 
A blackish ungulate plant of large size, with furrowed rimose surface and long brown 
tubes. Pileus woody, broadly ungulate, attached by a narrow base, concave below, 
7X14 x11 cm.; surface many times concentrically furrowed, rimose, uniformly dark- 
brown to black ; margin fulvous, acute or somewhat obtuse, velvety, undulate, marked with 
narrow zones: context hard, fulvous to dark-brown, very thin, less than 0.5 cm.; tubes 
distinctly stratified, 0.5-1.5 cm. long each season, 34 to a mm., brown within, mouths 
darker, circular or polygonal, edges acute, entire: spores ellipsoid, smooth, thin-walled, 
light yellowish-brown, 7X9 ; cystidia none. 
TYPE LOCALITY : Coama Springs, Porto Rico. 
Hasitar: On dead wood. 
DISTRIBUTION : Bahamas ; Cuba; Jamaica; Porto Rico; St. Thomas, 
13. Pyropolyporus yucatanensis Murrill, Bull. Torrey 
Club 30: 119. 1903. 
A large blackish-brown, very rimose fungus, with tawny tubes and substance. Pileus 
woody, dimidiate, applanate, thickest behind, 7-99-12 2-3 cm.; surface clothed at 
first with tawny tomeritum, becoming very dark-brown or black and uniformly tubercular 
and broken into small areas by numerous shallow concentric furrows and radial cracks; 
margin narrow, acute, velvety, fulvous: context hard, fulvous, 0.5 cm. thick; tubes rather 
indistinctly stratified, 0.25 cm. long each season, 7 to a mm., fulvous, mouths circular, 
punctate, edges thick, obtuse: spores globose or subglobose, smooth, pale yellowish-brown, 
3.5~-5 4; hyphae ferruginous ; cystidia thick at the base, pointed, 17-354. 
TYPE LOCALITY: Yucatan. 
HABITAT: Dead wood. . 
DISTRIBUTION : Yucatan and Nicaragua. 
14. Pyropolyporus dependens Murrill, sp. nov. 
Pileus very hard, woody, ungulate, attenuate and vertically affixed behind, 3-5 < 4-8 
4-8 cm.; surface black, very rough and rimose, horny-encrusted, repeatedly slightly 
sulcate ; margin abruptly acute, rarely rounded, velvety, ferruginous, undulate: context 
hard, woody, fulvous, very thin and inconspicuous; tubes indistinctly stratified, 2-3 mm. 
long each season, ferruginous within, becoming dark-fulvous in the older layers, mouths 
circular, minute, 5-6 to a mm., edges obtuse, entire, fulvous to chestnut-brown, glistening : 
spores globose, smooth, brown, 3“; hyphae 34; cystidia none. 
Type collected at Alto Cedro, Cuba, on decaying hardwood trunks, March, 1903, L. M. Under- 
wood & FS, Earle 1508, 
DISTRIBUTION: Cuba; Bahamas. 
15. Pyropolyporus juniperinus (Schrenk) Murrill, Bull. Torrey 
Club 30: 116. 1903. 
Polyporus juniperinus Schrenk, Bull. U. S. Dep. Agr. Veg. Phys. 21:9. 1900. 
Pileus woody, ungulate, 3-5 < 5-8 5-7 cm.; surface tomentose, deeply sulcate, 
ferruginous to gray, at length rough and ee black; margin obtuse, velvety, mel- 
leous or ferruginous to hoary: context corky to woody, reddish. fulvous, 0.5-1 em. thick; 
tubes indistinctly stratified, 0.5-1 cm. long each season, melleous within, reddish-ful- 
vous in the older layers, mouths cireular to angular, 2-3 to a mm., edges rather thin, 
entire, even, melleous: spores reddish-brown, smooth; spines blunt, only slightly pro- 
jecting. 
TYPE LOCALITY: Tennessee. 
Hasitat: Trunks of Juniperus virginiana, 
DISTRIBUTION: Tennessee and Kentucky. 
ILLUSTRATIONS: Schrenk, loc. cit. pl. 1-4. 
