l8o POLYPOREI. 



Boletus. Spores spindle-shaped, pale, ochraceous, 15x5 mk. W.G.S. ; fusoideo- 



oblong, 17-20x6-7.5 mk. K. Name verto, to turn ; pellis, the skin. From 

 its changeable appearance. Fr. Hym. Eur. p. 515. Berk. Out. p. 235. 

 C. Hbk. n. 728. S. Mycol. Scot, n. 687. A. pileus rufescent. Schce/. t. 

 103. Krombh. t. 32. Sow. t. no. Rostk. t. 39. B. pileus fuliginous. Batt. 

 t.^.f.A. 



36. B. scaber Fr. Pileus variable in colour, red or orange, 

 &c., pulvinate, smooth^ viscid when moist, at length rugulose or 

 rivulose, margin at first furnished with a cortina. Stem solid, 

 attenuated upwards, roughened with fibrous scales. Tubes free, 

 convex, white then dingy; pores minute, round. 



Sometimes robust, sometimes slender. The chief varieties are as follows : 

 A. pileus red or orange. Bull. t. 489. f. 2. B. pileus fuliginous or cinereous. 

 Fl. Dan. t. 833. Bull. t. 489. /. i. Sow. t. 175. Krombh. t. 35. /. 1-6. 

 C. pileus fuscous-black, stem floccoso-scaly, tubes shining white. Schceff. t., 

 104. D. pileus fuscous-olivaceous. Bolt. t. 86. E. pileus wholly white. 

 Rostk. t. 48. 



In woods, &c. Common. July-Nov. 



Pileus 5-17.5 cent. (2-7 in.) or more broad. Stem 10-15 cent. (4-6 in.) or 

 more long. Scales on the stem black. Spores spindle-shaped, pale brown, 

 14x5 mk. W.G.S.; fusoideo- oblong, light yellowish, 14-18x6 mk. K. 

 Edible. Name scaber, rough. From the stem. Fr. Hym. Eur. p. 515. 

 Sv. at 1. Sv. t. 14. Berk. Out. p. 235. C. Hbk. n. 729. S. Mycol. Scot. n. 

 688. Vittad. t. 28. Vent. t. 9, 10. Barla t. 35. /. 6-12. Rostk. t. 40. 

 Harz. t. 2. Gonn. & Rab. vii. t. 3. Badh. i. /. 7. f. T, ii. t. 6. f. i, 2. Hussey 

 i. /. 57. Hogg & Johnst. t. 22. 



I. Hyporhodii. Tubes adnate to the stem, whitish, &c. 



37. B. felleus Bull. Pileus 7.5-10 cent. (3-4 in.) broad, some- 

 what pale yellowish, pulvinate then expanded, soft, smooth, even; 

 flesh when broken white then flesh-colour. Stem 7.5 cent. (3 in.) 

 and more long, solid, attenuated and reticulated upwards. Tubes 

 adnate, convex, elongated ; pores angular, white then flesh- 

 colour. 



Taste bitter. The colour of the pileus varies chestnut, pale yellowish and 

 tawny. Stem of the same colour, here and there becoming olive, more rarely 

 dotted with squamules as in B. erythropus. 



In woods. Uncommon. 



Spores spindle-shaped, salmon-colour, i6x6mk. W.G.S. ; fusoideo-oblong, 

 hyaline, 12-16x4.5-5.4 mk. K. Poisonous. Name fel, gall. Bitter. Bull, 

 t. 379. Fr. Hym. Eur. p. 516. Syst. Myc. i. p. 394. Sv. at I. Sv. t. 52. 

 Berk. Out. p. 236. C. Hbk. n. 731. Rostk. t. 43. Krombh. t. 74. /. 1-7. 



38. B. alutarius Fr. Pileus fuscous-tan, pulvinate then ex- 

 panded, soft, velvety, becoming smooth. Stem solid, bulbous, 

 rather even, rugged at the apex. Tubes depressed round the 



