BOLETUS. 171 



Pileus 18 mm. -3 cent. (H-i%) in. broad, when old nearly 7.5 cent. (3 in.) Boletus. 

 Stem 2.5-6 cent. (1-2% in.) long, nearly 9 mm. {y% in.) thick. Pileus when 

 old rich brown. Flesh white, a little tinged with crimson next to the skin, 

 changing slowly to a bluish cast when wounded. In the larger specimens the 

 base is bulbous. With, Name — sanguis, blood. Blood-red. With. — 

 Fr. Hym. Eur. p. 500. Berk. Out. p. 231. C. Hbk. n. 707. Sow. t. 225. 

 Leveill. in Paul. t. 181. f. 3, 4. 



10. B. piperatus Bull.— Pileus 2.5-7.5 cent. (1-3 in.) broad, 

 yellow to pale yellowish, convexo-plane, smooth, slightly viscid ; 

 flesh yellowish. Stem 4 cent. {1% in.) long, thin, 6-8 mm. 

 (3-4 lin.) thick, even, fragile, of the same colour as the pileus, 

 containing yellow milk at the base. Tubes decurrent, ferrugin- 

 ous ; pores large, angular. 



Smaller than the rest, occasionally rimoso-squanmlose. Easily distin- 

 guished by its peppery taste. 



In woods. Frequent. Aug.-Nov. 



Reckoned poisonous. Spores oval, brown, 8x4 mk. W.G.S.; ellipsoid- 

 oblong, yellowish, 8-9x3-4 mk. K~. Name— piper, pepper. From the 

 taste. Bull.t. 451./. 2. Fr. Hym. Eur. p. 500. Syst. Myc. i. p. 388. Sv. 

 titl. Sv. t. 67. Berk. Out. p. 231. C. Hbk. n. 708. S. Mycol. Scot. n. 670. 

 Sow. t. 34. Fl. Dan. t. 1850. f. 2. Krombh. t. 37. f. 16-20. Rostk. t. 6. 

 Barla t. 32./! 5-10. Corda Sturm xi. t. 60. — Batsch t. 128. 



** Departing from the type, of doubtful affinity. 

 No British species. 



B. Subtomentosi. Pileus destitute of a viscid pellicle, &°c. 



11. B. variegatus Sw- Pileus 7.5-12.5 cent. (3-5 in.) broad, 

 dark yellow, convex then plane, obtuse, slightly moist, sprinkled 

 with superfcial, fasciculate-hairy squamules, the acute margin at 

 the first flocculose ; flesh yellow, here and there becoming azure- 

 blue. Stem 5-7.5 cent. (2-3 in.) long, 12 mm. (}4 in.) thick, 

 firm, equal, even, dark yellow, sometimes reddish. Tubes adnate, 

 unequal, pores minute, brown then cinnamon. 



The scales on the pileus are separating. 



In woods, chiefly pine. Frequent. Sept.-Oct. 



Smell unpleasant, taste not so. M.J.B. Spores oval, greenish-ochre, 

 3x2 mk. W.G.S.; oblong-ellipsoid, hyaline or very pale yellow, 8-11x3-4 

 mk. A". Name— variegated. Of the different colours. Swartz.—Fr. Hym. 

 Eur. p. 501. Syst. Myc. i. p. 388. Sv. at I. Sv. t. 66. Berk. Out. p. 231. 

 C. Hbk. n. 711. S. Mycol. Scot. n. 671. Lenzf. 39. Krombh. t. 34./. 15-18, 

 and/. 75./ 7-14. Harz. t. 15. Rostk. t. 16.— B. Golden. Schceff. t. 115. 



12. B. sulphureus Fr.— Pileus sulphur-yellow, compact, con- 

 vex then plane, silky-tomentose with innate floccij flesh light 



