POLYPORUS. 199 



On dead pine. Den of Dun, 1874. Menmuir. Feb. Polyporus. 



Name trabs, timber, a vessel. Found in ships. Rostk. t. 28. Fr. Hym. 

 Eur. p. 547. B. 6* Br. n. 1428. S. Mycol. Scot. n. 717. 



39. P. destructor Fr. Pileus fuscous-whitish, watery, fleshy, 

 effuso-reflexed, fragile, rugose, somewhat undulated, zoned inter- 

 nally. Pores elongated, somewhat round, toothed or torn, white. 



B. undulated, broadly expanded, marginate, whitish-date-brown. It softens 

 and destroys wood like Merulins lachrymans. 



On fir, larch and Scotch. Common. July-Dec. 



Sometimes almost resupinate or effused. M.J.B. Name destruo, to de- 

 stroy. From its destroying wood. Fr. Hym. Eur. p. 547. Berk. Out. p. 

 242. C. Hbk. n. 760. S. Mycol. Scot. n. 718. Krombh. t. 5.7. %.Schrad. 

 Rostk. t. 27. 



2. Lenti. Pileus fleshy pliant, &c. 

 * Substance coloured. 



40. P. nidulans Fr. Pileus 1-2.5 cent. (>-i in.) thick, some- 

 what pale yellowish^ of the same colour internally, fleshy, very 

 soft, somewhat pulvinate, villous, becoming even, zoneless. Pores 

 elongated, of medium size, unequal, angular, tawny-brick-colour. 



Fragrant when dry, remarkable for its softness. Margin spreading, some- 

 what obtuse. There are two forms, one pale yellowish, the other somewhat 

 flesh-colour. 



On dead wood. Uncommon. Sept.-Nov. 



Name nidus, a nest. From its shape. Fr. Hym. Eur. p. 548. Syst. 

 Myc. \. p. 364. Berk. Out. p. 242. C. Hbk. n. 761. S. Mycol. Scot. n. 719. 

 P. rutilans Saund. & Sm. t. 45. Bull. t. 482. 



41. P. rutilans Fr. Pileus tawny-cinnamon becoming pale 

 (tawny), of the same colour internally, fleshy-pliant, thin, at first 

 villous, then becoming smooth, zoneless. Pores curt, minute, 

 thin, equal, acute, cinnamon, somewhat shining. 



Pileus at length juiceless, friable, the slight margin inflexed, but not in- 

 curved or fimbriate as in P. cuticularis. Variable in form, but extenuated, 

 not pulvinate and convex on both sides like P. nidulans. 



On fallen branches. Uncommon. 



When fresh has a sweet scent like that of anise. M.J.B. Name rutilo, to 

 be reddish. Fr. Hym. Eur. p. 548. Berk. Out. p. 242. C. Hbk. n. 762. 

 Pers. Jc. t. 6. f. 4. 



42. P. gilvus Schw. Y\\Q\\.$pale yellowish, fleshy-pliant, efFuso- 

 reflexed, soft, even, becoming smooth, zoneless, margin spreading, 

 thin, acute. Pores very small, naked, quite entire, pale yellow- 

 ish-ferruginous, opaque. 



