TBAMETES. DAEDALEA 617 



2078. T. purpurascens B. & Br. Purpurascens, becoming purple. 

 R. 2 cm., chestnut, resupinate, subcoriaceous, subtomentose. Pores 



becoming purple, rigid, small. Dead willow. Rare. 



T. bombycina (Fr.) Quel. = Poria bombycina Fr. 



T. aneirina (Sommerf.) Quel. = Poria aneirina (Sommerf.) Fr. 



Daedalea (Pers.) Fr. 

 (SatSaXo?, curiously wrought.) 



Pileus spongy, cork, coriaceous, or woody, dimidiate, or resupinate, 

 stipitate, or sessile. Stem central, lateral, or none. Tubes homo- 

 geneous with the substance of the pileus, and not forming a distinct 

 layer, irregularly sinuous, and more or less labyrinihiform, often be- 

 coming torn, or toothed. Flesh white, or coloured. Spores white, oval, 

 pip-shaped,' subglobose, elliptic-oblong, or sausage-shaped, smooth, 

 or punctate. Cystidia present, or absent. Annual, or perennial. 

 Growing on wood, very rarely on the ground; sometimes imbricate. 



I. Dimidiate, sessile, or substipitate. 



2079. D. biennis (Bull.) Quel. (= Polyporus rufescens Fr.) Sow. Eng. 

 Fung. t. 191, as Boletus biennis. Biennis, two years. 



P. 5-12 cm., flesh colour, whitish towards the margin, convex, then 

 plane or depressed, sometimes dimidiate, strigose, or hairy. St. 1-5 x 

 1-5-2 cm., ferruginous, irregularly shaped, subcentral, or lateral, or 

 wanting, subtomentose. Pores white, then flesh colour, 2-4 mm. long, 

 labyrinthiform, or sinuate, at length torn, pruinose. Flesh reddish, be- 

 coming whitish, consisting of a firm, coriaceous lower layer, with a 

 soft spongy upper layer. Spores white, broadly oval, or subglobose, 

 6-7 x 4-5 ft, with a large central gutta. Smell pleasant. Stumps, 

 roots, and buried wood. Sept. Jan. Not uncommon, (v.v.) 



2080. D. quercina (Linn.) Fr. (= Lenzites quercina (Linn.) Quel.) 

 Grev. Scot. Crypt. Fl. t. 238. Quercina, pertaining to oak. 



P. 9-50 cm., pale wood colour, or brownish becoming paler, dimidiate, 

 sessile, rarely substipitate, or resupinate, smooth, rugulose, uneven, 

 marked with concentric, raised, or depressed zones. Pores greyish, 

 fuliginous, or paler than the p., 6-50 mm. long, sinuate, or lameUose, 

 branched, and anastomosing, thick, woody. Flesh pale reddish brown, 

 or concolorous, corky, woody, thick, firm. Spores white, pip-shaped, 

 6 x 2-3/i. Oaks, oak stumps, and posts. Jan. Dec. Common, (v.v.) 



2081. D. borealis (Wahlenb.) Quel. (= Polyporus borealis Fr.) 

 Kalchbr. Icon. t. 35, fig. 2, as Polyporus borealis Fr. 



Borealis, northern. 



P. 5-15 cm., white, then yellowish, dimidiate, reniform, or subpul- 

 vinate, sessile, or attenuated behind into a short more or less distinct 



