Murrill: Additional Philippine Polvporaceae 413 



Pyropolyporus subextensus Murrill, sp. nov. 



Pileus large, woody, sessile, dimidiate, applanate, slightly con- 

 vex below, 7-8 x 10-12 x I cm. ; surface rough, slightly sulcate, 

 glabrous, thinly encrusted, opaque brown ; margin slightly lobed, 

 very obtuse, fulvous, sterile: context ferruginous, multizonate, 

 woody, nearly 1 cm. thick; tubes short, 1-2 mm. long each sea- 

 son, fulvous in older layers, grayish fuscous in those of recent 

 growth, mouths minute, fulvous, circular, thick- walled, 7-8 to a 

 mm., edges thick, entire: hyphae ferruginous, 3-4/*; cystidia 

 flask-shaped or irregular in outline, pointed, fulvous, very abun- 

 dant, 15-30/^ long, 8-10/i thick at the base. 



Type collected on dead wood at Camp Keithley, Lake Lanao, 

 Mindanao, September, 1907, by Mary S. Clemens. Also collected 

 on Mt. Apo, 2000 m., Davao, Mindanao, April 22, 1904, by E. 

 B. Copeland, " E." 



tenuissimus 



, sp. nov 



Pileus thin, woody, rigid, dimidiate, concave above, convex 

 below, decurrent behind, 1-1.5 x 4-5 x o. 1-0.2 cm.; surface 

 rough, spongy-tomentose to subglabrous, neither sulcate nor zon- 

 ' 'ulvous to fuliginous, thicker and more spongy near the mar- 

 g' n , which is fulvous, finely tomentose, rather thick, undulate : 

 context fulvous, very thin, punky to corky; tubes stratified, 0.5 

 mm. or less long each season, cinereous-fuscous within, mouths 

 wnitish-stufTed when young, minute, 6 to a mm., circular, regular, 

 avellaneous at first, becoming darker at maturity, edges thick, 

 en t're : spores globose, smooth, hyaline, copious, 3-4 ft ; hyphae 



m eous, 2 ~3 !* ', cystidia fulvous, cuspidate, scanty, 1 5- 20 u long, 

 3-7 ,« thick at the base. 



„ L ^^v.va kjii UCclU VVU 



'904, by E. B. Copeland, 497 . 



^ropolyporus tricolor 



A I 



Murrill, sp. nov. 



Pileus very large, applanate, comparatively thin, rigid, woody, 

 ; r J X 2 5 x I ~ 2 cm. ; surface roughly tuberculose and ridged, 

 bla*L U • SuIcate » tninl y encrusted, glabrous, dark brown to dull 

 sub • nm ° Se ' n dried s P ecimens ; margin thin, obtuse, reddish, 

 .^entire : context woody, brick-red, with white dendroid mark- 

 in gS ' 5 ~ 8 mm. thick ; tubes 4-5 mm. long each season, brick-red 

 gro h olde r layers, yellowish red with white lines in recent 

 to a mouths minute, regular, circular, glistening, melleous, 4 

 hi" 1 " 1 "' ed ges rather thick, entire : spores subglobose, smooth, 



> ' »ne, with smoky brownish, rather thin walls, 5-6 /a; hyphae 

 ^lleous, 3 _ 4 ,, . cystidia none> 



