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, [2^28). 



Amauroderma Clemensiae Murrill, sp. nov. 



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

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

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

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

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

 context punky-fibrous, 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/^: 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, 

 Amauroderma Elmerianum Murrill, Bull. Torrey Club 34: 475. 



1907. 



Mindanao : Zamboanga, Whitford & Hutchinson, [g2SS). 



Amauroderma Ramosii Murrill, sp. nov. 



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

 stipe is attached, rigid, corky, slightly convex, 3 x 4 X 0.5 cm. ; 

 surface thinly encrusted, opaque, glabrous, very slightly sulcate- 

 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-iO/i : 

 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, {1211). 



