2l6 POLYPOREI. 



Polyporus. white. B. & Br. Name — from the colours. Rostk. 27. t. 11. B. & Br. n. 

 1022. Fr. Hym. Eur. p. 576. P. corticola C. Hbk. n. 817. 



103. P. viridans Berk. — At first white, then when dry pallid 

 green, effused, crustaceo-adnate, thin, margin ftulvcrulento- 

 tomentose. Pores minute, angular, dissepiments thin. 



Habit that of P. vulgaris. 



On rotten wood. Rare. Sept. 



Name — virido, to be green. Greenish. B. & Br. n. 347. C. Hbk. ?i. 810. 

 Fr. Hym. Eur. p. 576. 



104. P. terrestris Fr. — White, effused, spider-web-flaxy, rather 

 tender, fugacious. Pores central, extremely small, white then 

 rufescent. 



A doubtful and scarcely typical form. 



On naked soil. Uncommon. Sept. -Oct. 



Extremely delicate, vanishing when touched. Name — terra, earth. Grow- 

 ing on the soil. Fr. Hym. Eur. p. 576. Berk. Out. p. 252. C. Hbk. n. 814. 

 S. My col. Scot. n. 757. — Dec. Fl.fr. 6. p. 39. 



105. P. subgelatinosus B. & Br. — Orbicular, forming little 

 pulvinate masses with an obtuse raised border, which is at first 

 tomentose and pallid, becoming black, of a somewhat gelatinous 

 consistence. Pores pale delicate grey, with an acute even edge, 

 about ^q in. diameter. 



On dead wood, parasitic on P. amorplius. Rannoch. 



Name — sub-gelatinosus, somewhat gelatinous. B. 6^ Br. n. 1569. S. 

 My col. Scot. n. 758. 



#*#*#*# Pores persistently white, &C. 



106. P. medulla-panis Fr. — White, effused, deter?ni?iate, some- 

 what imdulated, firm, smooth, the ?iakcd circumference somewhat 

 7nargi7iate, almost wholly formed of the longish, medium-sized, 

 entire pores. 



Annual, moderately large, becoming hard when dry, separating. Softer 

 and watery-soft when on the ground. 



On decaying branches. Uncommon. 



Becoming yellowish when old. Name — medulla, pith, &c. ; panis, bread. 

 From its likeness to soft crumb of bread. Fr. Hym. Eur. p. 576. Icon. t. 

 190. /. 2. Be?'k. Old. p. 251. C. Hbk. 71. 806. S. Mycol. Scot. n. 759. — 

 Pers. Syn. p. 544. 



