MurRRILL: PHILIPPINE POLYPORACEAE 471 
Inonotus Elmerianus Murrill, sp. nov. 
Pileus subimbricate, sessile, dimidiate, conchate, thin, slightly 
flexible, 3x 4—5 x 0.1-0.3 cm. ; surface finely tomentose to nearly 
glabrous, spongy-tomentose behind or in certain parts, very uneven, 
slightly zonate, ferruginous to fulvous, fuliginous at times behind ; 
margin thin, undulate, ferruginous: context ferruginous, punky 
above, fibrous below, 1 mm. or less thick; tubes short, fulvous 
within, 0.5—1.5 mm. long, mouths very minute, regular, circular 
to angular, 9-11 toa mm., fulvous to umbrinous, bay when bruised, 
stuffed with flavous to luteous mycelium when very young, edges 
thin, entire : spores subglobose, smooth, pale-ferruginous, copious, 
2 #; hyphae pale-ferruginous, 3-4 # ; cystidia none. 
Type collected on Mt. Mariveles, Luzon, on dead wood, No- 
vember, 1904, by A. D. E. Elmer, xo. 6942. 
Microporellus subdealbatus Murrill, sp. nov. 
Pileus very thin, tough, flexible, flabelliform, tapering to a short 
flattened stipe, which appears to be merely a continuation of the 
pileus, 4 x 3 x 0.1 cm.; surface zonate, fibrillose to glabrous, resi- 
nous in appearance, pale-yellowish or light reddish-brown ; margin 
very thin, sterile, lacerate, uneven: context very thin, white, 
fibrous, flexible; tubes short, decurrent, white within, mouths 
small, glistening, irregular, angular, white to slightly yellowish, 5 
to a mm., edges acute, uneven, lacerate-dentate, soon becoming 
irpiciform : spores ovoid, smooth, hyaline, 3-4 #; hyphae hyaline, 
3-4 #; cystidia none. 
Type collected in the Province of Bataan, Luzon, on prostrate 
logs, October, 1903, by E. D. Merrill, vo. 3577. 
Nigroporus durus (Jungh.) Murrill. Polyporus durus Jungh. Fl. 
Crypt. Jav. 4: [62]. 1838. (Type from Java.) 
Luzon: Bataan, Merrill 3500. 
Nicroporus vinosus Murrill, Bull. Torrey Club 32: 361. 
1905. (Type from San Domingo.) 
Luzon: Lamao, 70 m., Williams. Leyte: Palo, Elmer 
renee 
Potyporus ceLesicus P. Henn. Monsunia 1: 12. fl. 7. f. 5. 
1899. (Type from Celebes.) - 
Luzon: Lamao, 75 m., 80 m., 130 m., Wilkams. 
Polyporus coracinus Murrill, sp. nov. 
Pileus suborbicular to reniform, attached by a short lateral tu- 
bercle, thin, fleshy-tough, conchate, 3-4 X 4-5 X 0.2 cm., surface 
yellowish-white, finely tomentose, becoming glabrous and black ; 
