POLYPORUS. 201 



46. P. amorphus Fr.— Pileus shining white, fleshy-pliant, thin, Poiyporus. 

 effuso-reflexed, silky. Pores minute, unequal, golden. 



Often casspitose, imbricated, very irregular, also resupinate on ground 

 covered with pine-needles. 



On fir-stumps and among pine-leaves. Uncommon. Now- 

 Jan. 



Name — a, m°p<M. form. Shapeless. Fr. Hym. Fur. p. 550. Berk. Out. p. 

 243. C. Hbk. n. 767. .S. My col. Scot. n. 723. — Sow. t. 423. Rostk. 27. /. 

 12. pores reddish. 



47. P. adiposus B. & Br. — White, here and there acquiring a 

 foxy tinge. Pileus waxy-soft, shortly reflexed, obscurely tomen- 

 tose ; hymenium rather thick. Pores small, obtuse at the edge. 



Very variable in form, sometimes fixed by the apex, sometimes resupinate. 

 Losing much of its substance in age. Substance not zoned within. Pores 

 when horizontal with the edges even, but often elongated and irregular, not 

 stratose. Turns brownish in drying. Allied to P. amorphus, but very 

 distinct. 



On the ground beside stumps. Uncommon. Dec. 



Na.me—adeps, fat. From its substance. B. df Br. n. 711. Berk. Out. p. 

 243. C. Hbk. ?i. 766. S. Mycol. Scot. n. 724. Fr. Hytn. Eur. p. 550. 



48. P. Keithii B. & Br. — Shell-shaped, stemless, decurrent 

 behind. Pileus about 12 mm. (}4 in.) across, bright red-brown, 

 rough with rigid tooth-shaped processes ; hymenium pallid ; dis- 

 sepiments lacerated. 



On fallen sticks. Dunphail. 



Name— after Rev. Dr Keith. B. & Br. n. 1430. S. Mycol. Scot. n. 725. 



3. Spongiosi. Spongy when fresh, &c. 

 * Substance coloured. 



49. P. hispidus Fr. — Pileus 10-15 cent - (4 _ 6 in.) broad, some- 

 what ferruginous, compact, spongy-fleshy, dimidiate, pulvinate, 

 hispid, internally composed of diverging fibres. Pores minute, 

 rounded, somewhat separate, fimbriated, paler than the pileus. 



Changing colour. Pores yellowish then fuscous. 



On living ash, &c. Common. July-Nov. 



Pileus sometimes 30 cent. (12 in.) or more broad, 10 cent. (4 in.) thick. 

 M.J.B. Name — hispidus, hispid. Fr. Hyjn. Fur. p. 551. Syst. Myc. i. /. 

 362. Berk. Out. p. 243. C. Hbk. n. 768. .S'. Mycol. Scot. n. 726. Grcv. t. 

 14. Kroinbh. t. 48. f. 7-10. Hussey i. /. 29, 31. — Bull. t. 210, 493. Bolt. t. 

 161. Sow. t. 345. 



