Part 2, 1908] POLYPORACEAE 109 
ing glabrous and slightly encrusted with age; margin undulate to lobed, ferruginous, fur- 
rowed: context punky, fulvous, 3-5 mm. thick; tubes indistinctly stratified, 1-2 mm. long 
each season, fulvous, mouths circular, 5-6 to a mm., edges rather thin, entire, ferruginous 
to fulvous, hoary when young: spores globose or subglobose, pale yellowish-brown, 
smooth, 3-4 * 3u; hyphae 2.54; cystidia none. 
TYPE LOCALITY: Island of Zealand, Denmark. 
_ HapitaT: Living stems of red currant and other species of Rides; occasionally on stems of 
adjacent shrubs, such as Symphoricarpos, when growing near a number of infected plants of one 
of the ordinary hosts. 
DISTRIBUTION: New York, New Jersey, and Kansas; more widely distributed and more 
abundant in Europe. 
ILLUSTRATION: Sturm, Deutsch. Fl. Pilze 3: pl. 62. 
EXSICCATI: Ellis & Ev. N. Am. Fungi 1693; Zopf & Syd. Myc. Mar. 68; Allesch. & Schn. 
Fungi Bavar. 239; Krieger, Fungi Sax. 432, Linhart, Fungi Hung. 349, Rab.-Wint. Fungi Eur. 
2937 ; Thiim. Myc. Univ. 509 ; Desmaz. Pl. Crypt. 3/4, Roum. Fungi Gall. 2304. 
24. Pyropolyporus linteus (Berk. & Curt.) Murrill, Bull. Torrey 
Club 30: 119. 1903. 
Polyporus linteus Berk. & Curt. Proc. Am. Acad. 4: 122. 1860. 
Pileus hard, heavy, dimidiate to nearly circular, applanate, 7-10 8-15 * 3-5 cm.; 
surface tomentose, fulvous, densely sulcate, clothed with lime-white hair, becoming darker 
and slightly rimose with age; margin obtuse, ferruginous to fulvous, tomentose: context 
corky to woody, melleous-ferruginous with silky luster, slightly zonate, 3-6 mm. thick; 
tubes indistinctly stratified, 3-5 mm. long each season, fulvous within, mouths circular, 
minute, 6 toa mm., edges rather thin, entire, ferruginous to fulvous: spores subglobose, 
- smooth, ferruginous, 3-4; cystidia tapering, acute, 40-60 « 6-8 x. 
TYPE LOCALITY : Nicaragua. 
HasitTat: Dead trunks of trees. 
DISTRIBUTION : Mexico and Nicaragua. 
25. Pyropolyporus subpectinatus Murrill, sp. nov. 
Pileus woody, thin, conchate, dimidiate to flabelliform, imbricate, laterally connate, 
often decurrent and effused behind, 2-44-8 X0.3-0.5 cm.; surface conspicuously tomentose, 
repeatedly slightly sulcate, longitudinally furrowed at times, chestnut-brown, with 4 thin 
black crust beneath a heavy coating of tomentum; margin subacute, sterile, tomentose, 
ferruginous, undulate to lobed: context very thin, ferruginous to fulvous, 1-2 mm. thick; 
tubes indistinctly stratified, 1-2 mm. long each season, fulvous within, mouths circular, 
extremely minute, 9-10 to a mm., edges thin, entire, glistening, dark-melleous to fer- 
ruginous: spores globose, smooth, light-brown, 2; cystidia none. 
Type collected at Ciego de Avila, Cuba, on dead wood in a dense virgin forest, March 21, 1905, 
F.S. Earle @ W. A. Murrill 629. 
DISTRIBUTION: Mexico ; Cuba ; Jamaica. 
26. Pyropolyporus Langloisii Murrill, Bull. Torrey 
Club 30: 117. 1903. 
A large thin expanded fungus with brown Toaienian and a brown or blackish surface. 
Pileus corky, fan-shaped, attached by a narrow base, often depressed behind, 8-13 
10-25 X 0.3-1.5 ‘em.; surface at first anoderm, soft, clothed with brown tomentum, 
many times concentrically sulcate, gt length glabrous, rough, indurate, black, marked 
with numerous shallow furrows; margin velvety, brown, thin, acute, undulate or slightly 
lobed: context soft to corky, indurate in age, deep-brown, 0.2-0.3 cm. thick; tubes re- 
viving, distinctly stratified, 0.2-0.5 cm. long each season, 8-9 to amm., brown, mouths 
polygonal, concolorous, edges thin at maturity: spores globose, smooth, hyaline, 34; 
cystidia none. 
TYPE LOCALITY: Louisiana. 
HasitaT : Base of the trunk of dead or dying hawthorn trees. 
DISTRIBUTION : Louisiana. 
