POLTPOEEI. 273 



770. Polyporus spuxneus. Fr, '' Oozing Polyporns." 



Whitish. Pileiis fleshy, spongy, compact, pnlvinate, gibbons, 

 rngose, hispid ; base stem-like ; margin incurved ; pores seced- 

 ing, minute, round, acute, entire. — Fr. Epicr.p. 459. Sow. t. 211. 

 Berk. ChM. 1. 16,/. 4. Eng.Fl. v. p. 1.39. Ann. N.B. no. 78. Fckl 

 exs. no. 1384. 



On trunks. 



Plant 3-4 in. across, tbict, oozing out from the tree in a very soft mass, 

 which hardens in a day, and if it dries favourably the pileus becomes hispid. 

 —Eng. Fl. 



B. Placodermei. 



771. Polyporus dryadeus. Fr. "Dripping Polyporus." 



Pileus spongy, fleshy, then corky, thick, pulvinate, sub-ferru- 

 ginous, turning brown ; cuticle thin, soft, pitted, then even and 

 smooth ; flesh fibrous, somewhat zoned, ferruginous ; pores very 

 long, slender, round, soft, ferruginous, orifice at first paler. — Fr. 

 Epicr.p. 460. Bull. t. 458. Huss. \'.t. 21. Eng. FL v. p. 14.3. 

 Rostk. t. 9. 



At the foot of old oaks. 



Pileus 7 in. or more broad, 2^ in. thick, obtase, pulvinate, grossly tuber- 

 culated, minutely pitted towards the edge, and when fresh distilling drops 

 of moisture, which is sometimes glutinous. When young cinnamon, when 

 old cinereous or whitish, and the white surface when bruised changes to 

 red-brown. Mass of spores nearly plane, pores minute red-brown within, 

 their orifices whitish or sub-cinereous ; substance silky ; smell strong, sub- 

 acid. — M. J. B. 



772. Polyporus betulinus. Fr. "Birch Polyporus." 



Pileus fleshy, then corky, ungulate, obtuse, smooth, without 

 zones ; cuticle even, evanescent, brownish, vertex oblique, um- 

 bonately expanded, adnate ; pores short, minute, round, unequal, 

 white, at length seceding. — Fr. Epicr.p. 461. Grev. t. 246. Rostk. 

 t. 22. Built. ^12. Fl. Dan. 1. 126^. Eng. Fl. v. p.UO. Bisch. 

 /. 3296. Kl.exs.no. 32. Fckl. exs. no. 1387. 



On birch trees. 



Pileus 4-6 in. across, smooth, pale reddish-brown when mature, often 

 mottled, roundish, or somewhat reniform ; flesh white, very thick ; pores 

 •white or tinged with brown, narrow, the orifices toothed, separable from the 

 pileus when fresh, but really concrete with it. Spores white. — Grev. Taste 

 and amell acid. 



K 5 



