265 LEAFLETS OF PHILIPPINE BOTANY (Vor IL. Amp. 385 
aculeae; margin very thin, isabelline, undulate or slightly 
lobed: context scarcely 1 mm. thick, tough, punky, fibrous; 
tubes 1.5 mm. long, cinereous or fulvous and glabrous within; 
mouths large, shallow, equally hexagonal, 1-3 mm. in dia- 
meter, einereous or fulvous, edges thin, rarely obtuse, firm, 
entire. 
Luzon; Mt. Mariveles, Elmer 6912, 6919. 
. Hapalopilus gilvus Schw.) Murrill, Bull. Torrey 
Club 31: 418. 1904. Polyporus discipes Berk. Lond. Jour. 
Bot. 6: 499. 1847. (Type from Ceylon.) Polyporus holoscleris 
Berk. Lond. Jour. Bot. 6: 501: 1847. (Type from Ceylon.) 
Polyporus. spadiceus Berk. Ann. Mag. Nat. Hist. 3: 388. 1839. 
(Type from the East Indies.) Polyporus breviporus Cooke, 
Grevillea 12: 17. 1883. (Type from Australia.) Polyporus 
aureomarginatus P. Henn. Bot. Jahrb. 22: 72. 1895. (Type 
from Kamerun.) 
Luzon: Mt. Mariveles, Elmer 6925. 
Hapalopilus subrubidus Murrill, Bull. Torrey Club 34° 
470. 1907.— Pileus imbricate, umbonate-sessile or attached by 
a narrow base, dimidiate or flabelliform, conchate, thin, 
slightly flexible, 3-4 x 4-6. x 0.1-0.3 em.; surface glabrous, slightly 
zonate, fulvous; margin thin, straight, entire. or slightly 
undulate, reddish-brown when bruised: context ferruginous, 
punky-fibrous, tough, 1-2 mm. thick; tubes short, dark-lilae 
within, 1 mm. in length, mouths minute, slightly angular, 
regular, 7-8 to a mm., edges thin, entire, dark flesh colored 
to fulvous: spores globose, smooth, byaline, 3-4 w; hyphae 
2-3 w, pale-ferruginous; cystidia none. 
Type collected on Mt. Mariveles, Luzon, on dead wood, 
November, 1904, by A. D. E. Elmer, no. 6912. 
Inonotus elmerianus Murrill, Bull. Torrey Club 34: 471. 
1907.—Pileus subimbricate, sessile dimidiate, conchate, thin, 
slightly flexible, 3 x 4-5 x 0.1-0.3 em:; 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 
