408 Murrill: Additional Philippine Polyporaceae 



entire : spores globose, very deep brown, thick-walled, lightly 

 asperulate, copious, 12-14// : stipe central, subcylindrical, enlarged 

 at the surface of the ground, tapering and radicate below, corti- 

 cated, isabelline, woody, 6 x 0.6 cm. 



Type collected on decaying underground roots in the region 

 of Lamao, Bataan Province, Luzon, September, 1907, by H. M. 

 Curran, (7528). 



Amauroderma Clemensiae Murrill, sp. nov. 



Pileus thin, tough, flexible, flabelliform to subcircular, conciliate, 

 deeply depressed behind, 5 x 6 x 0.2-0.3 cm.; surface glabrous, 

 nearly smooth, multizonate, faintly radiate-rugose when dry, 

 brown behind, avellaneous in front, with darker zones ; margin 

 very thin, entire to undulate, blackish and inflexed on drying: 

 context punky-flbrous, pale isabelline, 0.5-1.5 mm. thick; tubes 

 1.5-2.5 mm. long, pallid within, mouths avellaneous, umbrinous 

 when bruised, regular, glistening 4-5 to a mm., edges thin, entire, 

 corky : spores subglobose to ovoid, smooth, faint yellowish brown, 

 copious, 5-7 ft: stipe exactly lateral, curved, cylindrical, nearly 

 even, slightly enlarged at the base and somewhat compressed 

 where it joins the pileus, resembling the pileus in surface and con- 

 text, but uniformly light brown in color and almost woody, 8 X 

 0.6-0.7 cm - 



Type collected on dead roots near Camp Keithley, Lake Lanao, 



Mindanao, September-October, 1907, by Mary S. Clemens. 



M 



1907. 



Mindanao : Zamboanga, Whitford & Hutchinson, (p 



».»uviui« xtaiuucn murnu, sp. nov. 



Pileus round-reniform, deeply incised at the hilum, where the 

 stipe is attached, rigid, cork)', slightly convex, 3 X 4 X a 5 cnr : 

 surface thinly encrusted, opaque, glabrous, very slightly sulcata 



zonate, dark gray or blackish, much wrinkled on drying; margin 

 thick, obliquely truncate, delicately penciled, undulate : context 



1-2 mm. behind, very thin in front, nearly white, punky-fibrous; 

 tubes 4-5 mm. long, slender, avellaneous, mouths concolorous or 

 darker, regular, circular, 5 to a mm., edges very thick, entire. 

 spores subglobose, finely asperulate, light yellowish brown, 8-10/' • 

 stipe laterally attached, suberect, curved and somewhat com- 

 pressed, corticated, glabrous, paler than the pileus, woody, radicate 

 and branched below, 7 x 0.4 cm. 



Type collected on dead roots near Bosoboso, Rizal Province- 

 Luzon, July, 1906, by Maximo Ramos, (/*//). 



