POLTPOREI. 257 



720. Boletus fragrans. Titt. "Fragrant Boletus," 



Pilens pulvinate, repand, sub-tomentose, umber-brown ; mar- 

 gin inflexed; stem stout, eyen, variegated witlTi-ed and yellow; 

 tubes semi-free, minute, round, greenisli-yellow. — Fr. Epicr. p. 

 421. Vitt. F. JIa?ig.t. Id. Smith. Seem. Journ. ISGS, p. 33. B. 

 xanthophorus, Kromhh. t. Ih^f. 15-21. 



In woods, under oaks, &c. Sept. Oct. Esculent. 



The pileus is bronze-brown, pulvinate, and scabrous ; tubes minute, and 

 of a beautiful shade of subdued yellow-green ; the stem, which is thickened 

 downwards, is browTi and also scabrous, and the flesh is pure white, which 

 changes here and there to the slightest imaginable shade of cobalt on being 

 cut or broken ; the spores are pale yellowish-green, ovate, with an apieulus 

 at one end, '00045 in. long, '00017 in. broad.— IF. G. S, 



721. Boletus impolitus. Fr, ''Unpolished Boletus." 



Pileus pulvinate, dilated, flocculose, dingj, pallid, at length 

 granulose or cracked ; margin obtuse ; stem short, stout, com- 

 pact, even, pallid ; tubes nearly free, very long, rather large, 

 yellowish. — Fr. Epicr. p. 421. Kromhh. t. 74,/. 8, 9. Schcuff.t. 

 108. Letell. t. 614. 



On woodsides. Esculent. 



Attains a diameter of four or more inches. Stem about 2 in. Flesh more 

 or less changing to blue when cut. Often very large. Spores oval, or spindle- 

 shaped, pale greenish brown, '0005 X '00022 in. 



722. Boletus aestivalis. Er. " Early Boletus." 



Pileus pulvinate, silky, soft, then rivulose, minutely granulated 

 and silky, opacpie, pallid tan ; stem stout, firm, sub-conical, 

 even, pallid, white ; tubes elongated, minute, ec[ual, of the same 

 colour. — Fr. Epicr. p. 4:22. Paul. 1. 170. Huss.ii.'2'o. Hogg ^ 

 Johnst. 1. 13. 



In woodland pastures. Esculent. 



One of the largest of the genus, sometimes 6-8 in. in diameter; stem 2 in. 

 thick. Pileus pale tan or grey silky, granulated when old,, cracking into 

 somewhat hexagonal or irregular patches. Flesh not turning blue. Spores 

 elongated oval, greenish-brown, rather dark, '00043 X "00018 in. 



Sect. 5. Luridi. 



723. Boletus Satanas. Lenz. " Satanic Boletus," 



Pileus pulvinate, smooth, somewhat viscid, brownish tan 

 colourj then whitish, stem blunt, ovato-ventricose, reticulated 

 above, blood red ; tubes free, minute, yellow ; orifice from the 



