Murrill: Additional Philippine Polyporaceae 407 



Whitfordia Murrill, gen. nov. 



Hymenophore annual, epixylous, stipitate ; surface glabrous, 

 anoderm : context brown, fibrous to corky ; tubes minute, cylin- 

 drical : spores hyaline : stipe lateral, black. 



Type species, Foincs Warburgianus P. Henn. 



Whitfordia Warburgiana (P. llcnn.) Murrill. Fames Warburgi- 

 anus^ .Wanw. \ Monsunia i: lo. />/. i.f.J. 1900. Coriol- 

 opsis ancba (Berk.) Murrill, Bull. Torrey Club 34 : 466. 1907. 

 Specimens sent in previously were too young and aborted to 

 determine accurately. The context of this species is rather 

 pale when young, becoming blacker with age. 

 Lumbacan : Merrill, (j2So). Negros : Gimagaan River, Co/>e- 

 landi2, ly. Luzon: Mount Maquiling, Laguna Province, Tl/rrr///, 

 (5/50). r^Iindoro : Bongabong River, Whi/ford i^jd. Mindanao: 

 Sibulan River, Davao, Copcland 1308 ; Malita, Davao, Copeland 



655- 



Tribe FOMITEAE 

 Amauroderma asperulatum Murrill, sp. nov. 



Pileus reniforni to nearly circular, thick, corky, rigid, convexo- 

 concave, 5 cm. in diameter, 1.5 cm. thick ; surface glabrous, avel- 

 laneous with two or three dark brown zones, thinly encrusted, 

 neither laccate nor shining, rugose when dry; margin thick, un- 

 dulate, sulcate : context thin, 1-2 mm., white, punky-fibrous, 

 homogeneous ; tubes very long and slender, 1-1.5 cm., wood- 

 brown, mouths angular, 3 to a mm., edges thin, entire : spores 

 copious, ovoid, deep yellowish brown, averaging 18 x 1 2 /i, 

 studded with immense warts : stipe ascending, laterally attached, 

 cylindrical, equal, slightly expanding above, resembling the 

 pileus in surface, harder in substance, 5 cm. long, 6-7 mm. thick. 



Type collected on the base of dead Parkia (?), at Lamao, 

 Bataan Province, Luzon, February 2, 1904, by E. B. Copeland, 



Amauroderma bataanense Murrill, sp. nov. 



Pileus circular in outline, nearly plane, rigid, corky, 5x5 

 X 0.5 cm. ; surface much wrinkled both concentrically and radially 

 in drying, sulcate, faintly zonate, opaque, avellancous to grayish 

 brown, paler toward the margin, thinly encrusted, glabrous ; 

 margin undulate, truncate ; context white or nearly so, 3 mm. 

 thick at the center, very thin at the margin, homogeneous, firm ; 

 tubes fuscous-brown within and without, 2-3 mm. long, mouths 

 rather large and angular at maturity, 3 to a mm., edges thin, firm, 



