406 Murrill: Additional Philippine Polyporaceae 



Tyromyces Merrittii Murrill, sp. nov. 



Pileus imbricate-multiplex, the lobes few in number and at- 

 tached together in a prolonged stipitiform base, each lobe flabelli- 



form, with cuneate base, 7-9 x 7-9 x 0.5 cm.; surface radiate- 

 rugose and roughened with prominences of various sizes, sordid 

 white, opaque, very minutely tomentose ; margin irregular, vari- 

 ously lobed, rather thick, fertile, slightly deflexed : context fleshy- 

 fibrous, very brittle when dry, milk-white, 2 mm. thick ; tubes 3 

 mm. long, slender, nearly white within, mouths grayish-white, 

 glistening, discolored in places, regular, thin-walled, 3 to a mm., 

 edges firm, entire: spores ovoid, curved, smooth, hyaline, 5-6 x 3/*; 

 hyphae very fragile, hyaline, 4-5 // ; cystidia none. 



Type collected on dead wood on Mt. Maquiling, Batangas 



Province, Luzon, November, 1907, by H. M. Curran and M. L. 



Merritt, {8939). 



M 



Pileus sessile, dimidiate, applanate, fleshy-tough to fragile, 

 2 x 4 x 0.2 cm.; surface smooth, glabrous, grayish isabelline, 

 wrinkled when dry; margin entire, thin, sterile and abruptly de- 

 flexed : context white, homogeneous, fragile, 1 mm. thick when 



dry ; tubes very distinct from the context in color, dark yellowish 

 gray within, i mm. long, mouths subcircular, regular, grayish, 

 glistening, 5-6 to a mm., edges entire, thick at first, becoming 

 thinner at maturity : spores oblong, ellipsoid, smooth, hyaline, 

 5-6 x 2 ft ; hyphae hyaline, 3-4 ft ; cystidia none. 



Type collected on dead wood on Mt. Apo, 2160 m., Davao, 

 Mindanao, April 20, 1904, by 1 '.. B. Copeland, 1074. 



unguliformis 



uch thicker be- 



Pileus compressed-ungulate, plane below, much thicker be- 

 hind, 5x8x1-3 cm.; surface anoderm, azonate, somewhat tuber- 

 culose, nearly glabrous, milk-white, opaque ; margin abrupt Jy 

 acute, narrowly sterile, concolorous, entire : context white, frag» e 

 when dry, homogeneous, 5-8 mm. thick ; tubes white or yellow- 

 ish within, 1 cm. long behind, gradually shorter towards the mar- 

 gin, slender, mouths circular, regular, 4 to a mm., somewliat & « 

 ening, white with a silvery sheen, edges thick, entire : spore- 

 smooth, ovoid, hyaline, 3 x 2 fi \ hyphae hyaline, 3 p \ c >' stl( " 



none. 



•1 



Type collected on dead wood on Balabac Island, March-Ap" 



' 



M 



