472 MurrILL: PHILIPPINE POLYPORACEAE 
margin thin, entire, concolorous : context less than 1 mm. thick, 
homogeneous and white to pallid, except the very thin black cu- 
ticle ; tubes 1.5 mm. long, white to avellaneous within, mouths 
circular, regular, 4 to a mm., pallid to black, edges very obtuse, 
entire : spores subglobose, smooth, hyaline, 2.5-3.5 4; hyphae 
34; cystidia dark-fulvous, short, ventricose, sharp-pointed, 10- 
25 #4, often branched or cespitose. 
Type collected at Palo, Leyte, on dead sticks, January, 1906, 
by A. D. E. Elmer, zo. 7232. 
POLYPORUS GRAMMOCEPHALUS Berk. Lond. Jour. Bot. 1: 148. 
1842. (Type from the Philippines.) 
Mindanao: Santa Cruz, Gulf of Davao, Williams. 
Polyporus palensis Murrill, sp. nov. 
Pileus flabelliform, tapering behind, shallowly depressed to in- 
fundibuliform, 2-3 x 2-3 x 0.1 cm.; surface white to fulvous, 
finely radiate-striate, glabrous ; margin very thin, entire to undu- 
late or lacerate, inflexed on drying : context very thin, fleshy, 
white, fragile when dry ; tubes decurrent, less than 1 mm. long, 
white or slightly flesh-colored within, mouths minute, white to 
dull-fulvous, fragile when dry, somewhat radially elongated, 0.5 
x 0.25 mm., edges lacerate-dentate, becoming almost irpiciform in 
appearance: spores oblong-ellipsoid, smooth, hyaline, 3-4 x 5-6 #; 
hyphae smooth, hyaline, 3-4 2; cystidia none: stipe lateral, rarely 
eccentric, short, tapering below, white, terete, striate above, covered 
with tubes below at the base, 3 mm. long, 2 mm. thick. 
Type collected at Palo, Leyte, on dead sticks, January, 1906, 
by A. D. E. Elmer, xo. 7236. 
Potyporus Prruta (Beauv.) Fr. Epicr. 437. 1838. Microporus 
Perula Beauv. Fl. Owar. 1: 12. pl. 43. 1805. (Type from 
Wari.) Polyporus xanthopus Fr. Obs. Myc. 2: 255. 1818. 
_ (Type locality unknown.) Polyporus affinis Nees, Nov. Act. 
_ Acad. Nat. Cur. 131: pl. g.f. 1. 1826. Polyporus incomptus 
a et. pet 437. °18398: (Type from Guinea.) Polyporus poly- 
chrous Ces. Myc. Borneo 4. 1879. (Type from Borneo.) 
Polyporus carneo-niger Berk. ; Cooke, Grevillea 12: 15. 1883- 
(Type from Australia.) 
Luzon : Baguio, Williams ; Bataan, Merrill 3498, 3502, 3535? 
Mt. Banahao, Elmer, 7546, 7552, 7555; Lamao, 70 m., 80 
m., 100 m., 115 m., 700 m., Williams; Mt. Mariveles, 
_—- Elmer 6908, 6920, 6923, 6926, Merrill 3495. Mindanao: 
