BOLETUS. 279 



Boletus hadius, Linn., Suec, n. 124(3; Cke., Hdbk., p. 252. 



On the ground in woods, usually pine. Known by the 

 bay-brown pileus, which is viscid in wet weather and shining 

 when quite dry, and the yellowish pores becoming deep 

 bluish-green at once when bruised. The flesh of the pileus 

 is usually faintly tinged red when cut. 



Stem equal, 3 in. long, 1 in. thick, never reticulated. Pileus 

 very fleshy, soft, villoso-viscosous when young, then almost 

 glabrous, dry, hemispherical, 3-6 in. broad ; flesh 1-2 in. 

 thick, white, soft. Tubes long, bluish-green when bruised. 

 (Fries.) 



Boletus piperatus. Bull. 



Pileus 1-3 in. across, convexo-plane, soft, slightly viscid, 

 ochraceous-tan, sometimes with a tinge of red ; tubes up to 

 i in. long, decurrent, openings large, irregularly angular, at 

 first paleolive, then cinnamon, finally bright cinnamon-brown; 

 stem 1^2 in. long, i in. thick, equal or slightly thinner 

 downwards, smooth, even, darker than the pileus, base 

 usually brit;ht yellow, solid, flesh, like that of pileus, yellow, 

 often tinged with flesh-colour in the pileus ; spores elongato- 

 fusiform, cinnamon-colour, 10-12 x 3—4 /a,. Taste very hot 

 and pungent. 



Boletus piperatus. Bull., t. 451, f. 2; Cke., Hdbk., p. 252. 



On the ground in woods. Distinguished by the acrid, 

 pungent taste, and by the deep cinnamon-brown or almost 

 ferruginous tubes at maturity. 



Pileus 1-3 in. broad, at length plane, moist or even gluti- 

 nous, reddish-yellow or brownish. Flesh yellow, not chang- 

 ing colour. Tubes large, subdecurrent, angulai", reddish 

 yellow, or ferruginous. Stem 1-2 in. high, 3-4 lines thick, 

 more or less deep yellow. Taste remarkably acid and pun- 

 gent. (Grev.) 



Boletus paludosus. Massee. (n. sp.) 

 Pileus 3-4 in. across, slightly convex then quite plane, 

 glabrous, even, slightly viscid, bright rufous-brown, paler 

 when dry, flesh firm, thin, not more than 2 lines thick, every- 

 where equal, very pale tinge of brown, unchangealde ; tubes 

 about 2 lines long, adnate and subdecurrent, openings large, 

 angular, compound, about j mm. diameter, yellow then 

 olive-green ; stem 3-5 in. long, about H in. thick, equal, base 



