POLYPORTJS 585 



Cystidia sparse, or absent. Ashes, apples, and walnuts. May Feb. 

 Common, (v.v.) 



1935. P. cuticularis (Bull.) Fr. Cuticula, a thin external skin. 

 P. 7-30 cm., tawny, then ferruginous fuscous and finally blackish, 



applanate, dimidiate, rather triquetrous, imbricate, becoming plane, 

 thin, hairy, tomentose, obsoletely zoned, becoming smooth; margin 

 incurved, fimbriate. Tubes dark brown, 3-10 mm. long; orifice of pores 

 whitish, glistening, then concolorous, small, round, or angular, often 

 torn. Flesh dark brown, thin, 3-10 mm. thick, fibrillose, hard. Spores 

 ferruginous, elliptical, 6-7 x 4-5 /z. Cystidia sparse, or absent. 

 Beeches, birches, and hornbeams. Aug. Feb. Not uncommon, (v.v.) 



1936. P. benzoinus (Wahlenb.) Fr. (= Polyporus fuliginosus (Scop.) 

 Quel.) Trans. Brit. Myc. Soc n, t. 12. 



Benzoin, a fragrant, resinous juice. 



P. 7-12 cio.., fuscous rubiginous, shell-shaped, dimidiate, often con- 

 stricted at the base, subimbricate, often marked with metallic, bluish 

 zones, tomentose, becoming rugose when old, and darker. Tubes 

 whitish, or yellowish, 6-10 mm. long; orifice of pores whitish, becoming 

 ferruginous, minute, round, or deltoid. Flesh fuscous, then pale wood 

 colour, firm. Spores white, oblong, 4-5 x 2-2-5ju,, curved. Smell very 

 pleasant, aromatic. Cedars and Abies. Oct. March. Uncommon, (v.v.) 



1937. P. cryptarum (Bull.) Fr. KpvTmj, a vault. 

 P. 10-20 cm., tawny, or brown, becoming paler, effuso-reflexed, im- 

 bricate, wrinkled, silky, distilling drops. Tubes cinnamon, very long; 

 orifice of pores ochraceous, minute, round. Flesh cinnamon, thick, or 

 thin, spongy, then corky. Abies, and rotting coniferous wood. Not 

 uncommon. 



1938. P. rutilans (Pers.) Fr. (= Polyporus nidulans Fr. sec. Quel.) 

 Pers. Icon, et Desc. fung. min. cogn. t. 6, fig. 3. 



Rutilans, becoming reddish. 



P. 2-6 cm., tawny-cinnamon or reddish grey, becoming pale, convex, 

 effused behind, imbricate, rarely solitary, villose, becoming smooth; 

 margin inflexed, obtuse, unequal. Tubes white, becoming concolorous, 

 1-3 mm. long; orifice of tubes white, glistening, soon becoming con- 

 colorous, minute, round. Flesh concolorous, firm, pliant, giving a 

 blue juice when extracted with alcohol. Spores white, globose, 4/u,. 

 Smell pleasant. Fallen branches, and dead aspens. Jan. Dec. Not 

 uncommon, (v.v.) 



1939. P. nidulans Fr. (= Polyporus rutilans (Pers.) Fr. sec. Quel.) 

 Saund. & Sm. t. 45, as Polyporus rutilans. Nidus, a nest. 



P. 2-5-5 cm., pale yellowish, or flesh colour, pulvinate, solitary, convex 

 above and below, villose, becoming smooth ; margin spreading, obtuse. 



