Murrill: Polyporaceae from Japan 



169 



Pyropolyporus fastuosus (Lev.) Murrill, Bull. Torrey Club 34: 

 479. 1907. 



Formosa, on dead tree, Nakahara, p. 



Tribe DAEDALEAE 



Cerrena unicolor (Bull.) Murrill, Jour. Myc. 9: 91. 1903. 

 Tokyo, on dead limbs of Styrax Obassia, Kusano & Nohara, 4. 



Cyclomyces fuscus Fr. Linnaea 5:512. pi. 11. f. 3. 1830. Japan 

 is rather far north for this species. 

 Tokyo, on Pasama cuspidata, Nohara, 67. 



Daedalea Kusanoi sp. nov. 



Pileus sessile, dimidiate, applanate or slightly convex above, 

 plane or convex below, somewhat imbricate, slightly decurrent, 

 3-4 X 5-6 X 1-5-2 cm.; surface very slightly sulcate, nearly gla- 

 brous, very pale isabelline ; margin entire or undulate, acute, rigid, 

 not inflexed on drying, concolorous : context white or nearly white, 

 corky, homogeneous, 3-5 mm. thick; tubes labyrinthiform, pale 

 isabelline, nearly 1 cm. long behind, the furrows 0.5-2 cm. long 

 and 1-2 mm. broad, edges thick, obtuse, entire, somewhat uneven ; 

 spores subglobose to ovoid, smooth, hyaline ; hyphae hyaline, 4-6 fi 

 thick ; cystidia none. 



Type collected on a dead trunk in the Botanical Garden at 

 Tokyo in 1901 by S. Kusano, 40, 64 {duplicate) . 



Gloeophyllum trabeum (Pers.) Murrill, N. Am. Flora 9: 129. 

 1908. 



Tokyo, on dead Cryptomeria japonica, Kusano & Nohara, 17 ; 

 on Cryptomeria japonica, half-burned log, Nohara, 44. 



Lenzites betulina (L.) Fries, Epicr. Myc. 405. 1838. 



Shinano, on stump of a dead willow, K. Tanaka, 12. Iwaki, 

 Kusano, 23. Tokyo, on old rail, Kusano & Nohara, 68. 



Additional Species Reported from Japan 



The following list contains the principal pileate species of Poly- 

 poraceae reported from Japan, which are not included above. 

 Since the determinations have not been verified except in a few 

 cases, no attempt is here made to group the species in accordance 

 with my own classification. 



Irpex decurrens Berk., Irpex Kusanoi P. Henn. & Shir. ; Hyd- 



