586 POLYPORUS 



Tubes cinnamon, 2-5 mm. long; orifice of pores concolorous, becoming 

 purplish when bruised, rather large, angular. Flesh pale cinnamon, 

 very soft, easily compressed, giving a blue juice when extracted 

 with alcohol. Spores white, pip-shaped, 4-5 x 1-5-2-5/n. Smell 

 pleasant when dried. Twigs, and fallen branches. Jan. Dec. Not 

 uncommon, (v.v.) 



1940. P. gilvus Schwein. Gilvus, pale yellow. 

 P. 5-10 cm., brown, becoming pale yellowish, applanate, often im- 

 bricate, even, often rugulose. Tubes brown, 3-10 mm. long; orifice of 

 pores brown, small, round. Flesh bright yellow, becoming cinnamon 

 brown when old, hard, firm. Spores white, subglobose, 45 x 3'5-^4/M, 

 1-guttulate. " Cystidia abundant, slender, sharp, projecting, 12-16/n " 

 Lloyd. Deciduous trees, especially beech. Jan. Rare, (v.v.) 



1941. P. radiatus (Sow.) Fr. Radiatus, radiate. 

 P. 2-6 cm., tawny, margin yellow, becoming ferruginous fuscous, 



dimidiate, very imbricate, radiately rugose, minutely velvety, becoming 

 smooth; margin spreading, repand. Tubes ferruginous, 4-5 mm. long; 

 orifice of pores silvery, glistening, minute, round, or angular. Flesh 

 pale cinnamon, fibrous, hard, rigid. Spores white, subglobose, 5 x 4/u,. 

 Cystidia coloured, fusiform, 20-30 x 5-8/M, sparse. Beeches, birches, 

 and especially on alders. Sept. April. Common, (v.v.) 



1942. P. nodulosus Fr. (= Polyporus polymorphus Rostk.) Trans. 

 Brit. Myc. Soc. n, t. 16. " Nodulosus, full of little knobs. 



P. 1-3 cm., fulvous, then rust coloured, triquetrous, nodular, connate, 

 villose, rugose, rough. Tubes light cinnamon, 1-5 mm. long; orifice of 

 pores silvery, glistening, minute, round, unequal, acutely torn. Flesh 

 paler, very hard. Spores white, elliptical, 4-5 x 3/n. Beeches. Sept. 

 Nov. Not uncommon, (v.v.) 

 P. polymorphus Rostk. = Polyporus nodulosus Fr. 



VIII. P. villose, fioccose, orfibrillose, rarely smooth, without a cuticle. 

 Flesh white, fibrous, soft, zoned, putrescent. Tubes heterogeneous, 

 often separable. Spores white, pale blue in 1954. Cystidia present, 

 or none. Annual. Growing on wood. 



t Pores coloured. 



1943. P. amorphus Fr. a/uo/><o9, misshapen. 

 P. 3-4 cm., white, effuso-reflexed, or dimidiate, imbricate, some- 

 times resupinate, silky, or tomentose. Tubes white, becoming golden, 

 or pinkish, short; orifice of pores concolorous, round, or irregular 

 and torn. Flesh white, soft, pliant, " subgelatinous " Lloyd. Spores 

 white, subglobose, 4-5/x, 1-guttulate. Trunks, stumps, and needles 

 of various conifers. Sept. March. Not uncommon, (v.v.) 



