BOLETUS. 177 



at the base, even, variegated yellowish and red. Tubes semi- Boletus, 

 free; pores minute, round, yellow, becoming green. 



The pileus varies unequal, and here and there spotted or margined with 

 purple. 



In woods, under oak, S:c. Sept. -Oct. 



Spores pale yellowish-green, ovate, with an apiculus at one end, n x 4. mk. 

 IV. G.S. ; elongato-pruniform, nucleate, 10 mk. Q. Edible. Name -frag- 

 rans, fragrant. Vittad. t. 19. Fr. Hym. Eur. p. 509. C. Hbk. n. 720. 

 Ventur. t. 53. / 3-5. Krombh. t. 75. /. 15-21. 



28. B. impolitus Fr. Pileus tawny-brown, pulvinate, dilated, 

 flocculose, at length granuloso-rivulose, unpolished ; flesh thick, 



light yellowish beneath the cuticle. Stem stout, somewhat bulb- 

 ous, even, pubescent^ light yellow. Tubes free ; pores minute, 

 yellow. 



Handsome, obese, pleasant in odour and taste. Sometimes there is a red- 

 dish zone near the apex of the stem. 



In mixed woods. Rare. Sept. 



Pileus 10 cent. (4 in.) or more broad. Stem about 5 cent. (2 in.) long. 

 Spores oval or spindle-shaped, pale greenish-brown, 14x5 mk. IV. G.S. ; 

 ellipsoid, papillate, 16-18 mk. Q. Edible ; reckoned among the most deli- 

 cious. Name impolitus, unpolished. Fr. Hym. Eur. p. 509. Sv. dtl. Sv. 

 t. 42. Berk. Out. p. 234. C. Hbk. n. 721. 5. Mycol. Scot. n. 682. Harz. 

 t. 51. B. pileus areolato-rimose. Schceff. t. 108. Letell. t. 614. Rostk. t. 

 36. 



29. B. sestivalis Fr. Pileus whitish, pulvinate, somewhat 

 repand, even, smooth, granular in dry weather; flesh yellow 

 beneath, white above, reddish in the base of the stem. Stem 

 very thick, bulbous, even, smooth, light yellow. Tubes somewhat 

 free ; pores equal, minute, yellow. 



Stature almost that of B. impolitus, equally pleasant, tasty. 



In woodland pastures. Uncommon. 



Pileus sometimes 15-20 cent. (6-8 in.) broad. Stem 5 cent. (2 in.) thick. 

 Spores elongated oval, greenish-brown, rather dark, 12x4 mk. W. G.S. 

 Edible. Name cestivalis, pertaining to summer. Fr. Hym. Eur. p. 510. 

 Sv. dtl. Sv. t. 43. Berk. Out. p. 234. C. Hbk. n. 722. Hussey i. t. 25. 

 Hogg & Johnst. t. 13. 



F. Luridi. Stratum of tubes rounded towards the stem, c. 



30. B. satanas Lenz. Pileus fuscous-tan then whitish, pul- 

 vinate, smooth, somewhat viscous ; flesh whitish, becoming red 

 or violet when broken. Stem obese, ovato-ventricose. with blood- 

 red reticulations above. Tubes free, yellow ; pores minute, at 

 first blood-red-scarlet, orange when old. 



VOL. II. M 



