133 FUNGI. [Poli/porus. 



am not acquainted, in Purton's MS. exactly accords with the above 

 characters given by Fries. 



11. P. cristdtus, Schceff. {crested Polf/porus) ; imbricated and 

 branched, pilei deformed subtomentose greenish, pores snow- 

 white at length torn and sulphur-coloured. Fr. Syst. Myc, 

 V. 1. 2^. 356. Rostk. I. c. t. 16. — BoL cristatus, Schceff. t. 316, 

 317. Dicks, fasc. Q. p. 2\. With. v. 4. p. 282. Pers. Syn, 

 p. 322. Nees, Syst.f. 217. 



Beech-woods. Autumn. Very rare. Dickson. — '' Stem^ lateral, 

 irreguhxr, pruinose, white at length brown. Pilei subcarnose, irregular, 

 confluent in an involute manner, villoso-pulverulent, about 3 inches 

 broad, yellow-green (golden-yellow, With.). Pores unequal, dirty- 

 white ; when torn more or less of a green hue." Fr. I. c. 



12. P. sulphiireiis, Bull, {sulphur-coloured Polyjjorus) ; shape- 

 less polymorphous sessile irregularly imbricated nearly smooth 

 yellowish or orange-red, pores minute sulphur-coloured. Fr. 

 Syst. Myc. v. 1. p. 357. Hook, Fl. Lond. t. 132. Grev. Sc. 

 Crypt. Fl. f. 113. Postk. I. c. t. 20. — Bol. sulphureus, Bull, 

 t. 429.' Sow. t. 135. With. V. 4. p. 289. Purt. Midi. FL 

 V. 2 ^- S. n. 1005. — B. caudicinus, Schceff. t. 131, 132. — B, 

 tenax, Bolt. t. 75, 



Trunks of trees. Summer. Not uncommon. — Pilei imbricated, 

 foraiinf a large, compact, somewhat branched mass ; sometimes 2 — 3 

 feet broad. Pores minute, often formed of inflexed or incurved portions 

 of the mass. Sporules white, according to Bulliard. Dry sj)ecimei\s 

 are often incrusted with crystals of binoxalate of potash. Vide Grev. 

 I. c. 



■\^\ Dimidiate, stemless. 



-+ Autumnal. 



13. P. hispidus, BviW. (ferruginous hispid Polyporus) ; pileus 

 thick ferruginous of a fibrous fleshy substance, pores pale- 

 yellowish fringed. Fr. Syst. Myc. v. I. p. 362. Grev. Sc. 

 Crypt. Fl. t. 14. Fl. Ed. p. 400. Rostk. I. c. t. Sl.—B. his- 



pidus, BidL t. 210, 493. Bolt. t. 161. Pers. Syn. p. 52J.— 

 B, villosns. Iluds. Fl. Ang. p. 626.-5. vehctinus, Sow. t. 345. 

 Purt. Midi. Fl. V.2 ^3. n. lOOQ.—B. sjjojigiosus, Light. FL 

 Scot. p. 1033. With. V. 4. p. 286. 



On trunks of living trees, as ash, elm, apple, &c. Summer. ^ Annual ; 

 fvequent.— Pileus a foot or more across, 4 inches thick, dimidiate, with 

 occasionally an obsolete knob-like stem; generally very hispid, but 

 sometimes almost smooth and cracked ; substance fleshy but fibrous, 

 marked with concentric lines which seem to indicate different mtervals 

 in which vegetation has been more or less dormant, brown, blackish, 

 yellowish or ^reddish-brown ; below pale yellow, or rich sienna- brown 

 with the margin paler. Sporules pure yellow, often hangmg upon 

 spider's threads in elegant festoons beneath the hymenium. Close 

 to the bark of the tree the pubescence often resembles Ozonium auri- 

 ajmurn. 



