BOLETUS. 171 



Pileus 18 mm. -3 cent. (K~i^) i n - broad, when old nearly 7.5 cent. (3 in.) Boletus. 

 Stem 2.5-6 cent. (1-2 ^ in.) long, nearly 9 mm. (y z 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. Namesaitguis, blood. Blood-red. With. 

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

 Level II. in Paul. t. i8i./ 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. (\Yz 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-squamulose. Easily distin- 

 guished by its peppery taste. 



In woods. Frequent. Aug.-Nov. 



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

 oblong, yellowish, 8-9 x 3-4 mk. K. Name piper, pepper. From the 

 taste. Bull. t. 45 r./. 2. Fr. Hym. Eur. p. 500. Syst. Myc. i. p. 388. Sv. 

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

 Sow. t. 34. /<'/. Dan. t. 1850. /. 2. Krombh. t. 37. /. 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 superficial, 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. ( l / 2 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. K. Name variegated. Of the different colours. Swartz. Fr. Hym. 

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

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

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



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

 vex then plane, silky-tomentose with innate flocci; flesh light 



