POLYPORUS. 219 



Mycelium emerging and forming nodules, which are at first flaxy then Polyporus. 

 smooth, in which the pores nestle, but it does not result in a pileus. Pores 

 very changeable in form. 



On dead branches. Uncommon. Sept.-Oct. 



Name sanguis, blood. Bleeding. Fr. Hym. Eur. p. 578. B. & Br. n. 

 1290. C. Hbk. n. 8 1 1. S. My col. Scot. n. 765. A. & S. p. 257. 



115. P. radula Fr. White, effused, made up of the naked 

 tomentose mycelium closely compacted, soft, villous beneath. 

 Pores medium-sized, angular, toothed, pubescent when young. 



Its growth is that of P. sanguinolentus, but it is drier, more lax, and 

 separable from the matrix. 



On fir. Strachan, Kincardineshire. 



Name rado, to shave off. Perhaps from the ease with which it is removed 

 from the matrix. Fr. Hym. Eur. p. 578. B. & Br. n. 1808. S. My col. 

 Scot. n. ?66.Pers. Obs. 2. /. 14. 



116. P. vaporarius Fr. Effused, innate, the white floccose 

 mycelium creeping into the wood. Pores large, angular, pale- 

 white, crowded into a continuous, firm, persistent stratum. 



On dead branches. Very common. Jan. -Dec. 



Extremely variable. Name vaporarium, a stove. Perhaps first found 

 in hothouse. Fr. Hym. Eur. p. 579. Berk. Out. p. 252. C. Hbk. n. 815. 

 S. My col. Scot. n. 767. Pers. Myc. Eur. p. 106. 



Var. secernibilis B. & Br. Shining white, honey-colour when 

 dried, separable. 



On fir-leaves under moss. Autumn. Forres. Name from its being 

 separable. B. & Br. n. 1022. S. Mycol. Scot. n. 767. 



117. P. Gordoniensis B. Br. Persistently shining white, 

 effused, superficial, membranaceous, very thin but separable, mar- 

 gin shortly fringed. Pores minute, unequal, angular, dissepi- 

 ments very thin, Jimbriato-toothed. 



An extremely delicate species, and not in the slightest degree innate. The 

 margin remains snow-white, and the pores themselves change colour only 

 very slightly in drying. 



On fir poles. Aboyne. 



Name after Marchioness of Huntly. B. & Br. n. 1023. C. Hbk. n. 813. 

 S. Mycol. Scot. n. 768. Fr. Hym. Eur. p. 579. 



118. P. Vaillantii Fr. White, thin, the free mycelium result- 

 ing in root-like ribs 'which are somewhat united by a membrane. 

 Pores now and then crowded together, curt, rather large, thin, 

 unequal. 



