600 PORIA 



1997. P. gilvescens Bres. Trans. Brit. Myc. Soc. vi, text figs. p. 321. 



Gilvescens, becoming pale yellow. 



P. 67 cm., white, then flesh coloured, at length brownish, effused, 

 bleeding, waxy, fleshy, then slightly coriaceous, contracted and in- 

 rolled when dry (often tubercularly nodular and Ptychogaster-like) ; 

 margin persistently white, tomentose. Pores white, becoming yellowish 

 flesh coloured or reddish, 28 mm. long, angular, orifice pulverulent, 

 often oblique, soft, subfleshy. Spores hyaline, cylindric-curved, 4-5- 

 5 x 1-5-2/x. Basidia clavate, 12-16 x 4/u,. Subhymenial hyphae 

 hyaline, 2-5-3-5/x in diam., thick or thin walled, gelatinous. Hyphae 

 of pore walls yellowish, 3/i in diam., often incrusted with mineral 

 matter. Beech stumps. Oct. Dec. Rare, (v.v.) 



**Pores yellowish. 



1998. P. nitida (Pers.) Fr. Boud. Icon. t. 160. Nitida, shining. 

 P. 310 cm., whitish, then yellowish orange, effused, thin, subadnate, 



subundulate, determinate; margin villose. Pores white, then yellowish 

 orange, shining, curt, sometimes stratose, minute, round, equal. Spores 

 whitish, tinged yellowish, oblong, 8-9 x 3-5-4/1. Dead wood, and 

 branches of willow, aspen, and chestnut. Nov. May. Rare. 



1999. P. Laestadii Fr. & Berk. C. P. Laestadius. 

 P. 5-20 cm., bright yellow, effused, forming confluent patches, 



2-4 mm. thick, separable, tubercular. Pores bright lemon yellow, very 

 short, sometimes stratose, round, or elongate and curved. Flesh 

 white, very brittle, compact. Spores "5 x 2-5/i" Massee. Underside 

 of deal boards in a hot-house. Aug. Rare. 



2000. P. eupora Karst. (= Poria nitida (Pers.) Fr. sec. Quel.) 



5, typical; iropo<s, a pore. 



P. 2-15 cm., bright buff, or yellow, effused, adherent, or adnate, thin, 

 somewhat shining; margin white, byssoid, at length free, glabrous. 

 Pores bright buff or yellow, short, minute, round or subangular. Spores 

 hyaline, elliptical, 3-4 x 1-5-2 /LI. "Cystidia hyaline, clavate, 15- 

 105 x 6-15/u-, upper part incrustate and verruculose" Romell. De- 

 corticated logs, and branches. June Dec. Not uncommon, (v.v.) 



2001. P. cincta Berk. Cincta, girded. 

 P. 3-9 cm., white, turning pallid, or pale ochraceous and more or less 



tawny when dry, forming small, erect, scattered tufts, each surrounded by 

 radiating, strigose fibres, at length confluent, up to 3 mm. thick in the 

 centre of the tufts. Pores pallid ochraceous, darker when dry, 2-4 mm. 

 long, extremely minute, scarcely visible to the naked eye, angular, 

 dissepiments extremely thin, edge ragged. Spores "colourless, sub- 

 globose, 4-5 /A" Massee. Old deal boards. Rare. 



