478 MurritL: PHILIPPINE POLYPORACEAE 
Ganoderma Williamsianum Murrill, sp. nov. 
Pileus sessile, dimidiate, compressed-ungulate or applanate, 
usually convex above, plane or concave below, subimbricate, rigid, 
3-4 x 5-6 x 1-2 cm.; surface shallowly sulcate, slightly zonate, 
radiate-rugose, avellaneous, with narrow, dark zones when young, 
at length ochraceous-pulverulent from the secreted varnish, and 
finally glabrous, laccate, and bay or black; margin conchate at 
maturity, yellowish-brown, laccate, entire, sterile : context chest- 
nut-colored, punky, soft, 3-6 mm. thick; tubes not stratified, 
slender, murinous-umbrinous within, hymenium white to ochra- 
ceous or melleous, mouths circular to slightly angular, regular, 5 
to amm., edges obtuse and entire when young, soon becoming 
thin: spores broadly ovoid, truncate, dark-brown, roughly echin- 
ulate, thick-walled, 8-9 x 12-142; hyphae concolorous, 5-6/4; 
cystidia none. 
Type collected on the Lamao River, Luzon, 115 m., on a dead 
trunk, January, 1904, by R. S. Williams. 
NiGROFOMES MELANOPORUS (Mont.) Murrill, Bull. Torrey Club 
31: 425. 1904.  Fomes melanoporoides Ces. Myc. Borneo 
6. 1879. (Type from Borneo.) Fomes Cornu-bovis Cooke, 
Grevillea 13: 2. 1884. (Type from Malacca.) ? Polyporus 
cinereo-fuscus Currey, Trans. Linn. Soc. II. 1: 124. pl. 79. 
f. 1. 1876. (Type from India.) 
Luzon: Lamao, Williams ; Mt. Mariveles, Elmer 6959. 
Pyropolyporus albomarginatus (Lév.) Murrill. Polyporus albo- 
marginatus Lév. Ann. Sci. Nat. Bot. III. 2: 191. 1844. 
(Type from Java.) Polyporus Kermes Berk. & Br. Jour. Linn. 
Soc. Bot. 14: 49. 1875. (Type from Ceylon.) Polyporus 
laeticolor Berk. Jour. Linn. Soc. Bot. 16: 46. 1878. (Type 
from the Philippines.) Fomes pyrrhocreas Cooke, Grevillea 
14: 11. 1885. (Type from New Guinea.) 
Luzon: Lamao, 115 m., Williams. 
Pyropolyporus caliginosus (Berk.) Murrill. Polyporus caliginosus 
Berk. Jour. Linn. Soc. Bot. 16: 46. 1878. (Type from 
Philippines.) Not Polyporus caliginosus Ces. Myc. Borneo 5: 
1879. (Type from Borneo.) 
Leyte: Palo, Elmer 7221. 
Pyropolyporus endotheius (Berk.) Murrill. Polyporus endotheius 
Berk. Jour. Linn. Soc. Bot. 16: 47. 1878. (Type from the 
Philippines.) 
Culion: Merrill 3575. 
