362 BRITISH FUNGI 



B. granulatus. — Cap 3-4 in. across, at first with reddish brown 

 gluten, yellow when this has disappeared ; tubes about \ in. long, 

 pores more or less circular, yellow, with particles of a granulated 

 substance adhering to the walls of the pores ; stem about 2 in. long, 

 yellowish, with granulated points at the apex. 



Distinguished by the ^^ellow stem and pores being covered with a 

 substance resembling granulated sugar. Edible. 



Among grass under lir trees, etc. 



B. tenuipes. — ^Cap 1-2 in. across, yellowish brown, viscid, streaked 

 with minute fibrils when dry ; flesh rosy under the cuticle ; pores 

 angular, yellowish ; stem about 3 in. long, solid, yellow. 



Our smallest species of Boletus. Allied to B. granulatus. 



In woods and open pastures. 



B. aurantiporiis. — Cap about 2 in. across, viscid, rusty, then 

 yellowish brown, squamulose near the edge ; tubes running down 

 the stem, pores large, angular, golden yellow, then orange, turning 

 red when bruised-; stem about 3 in. long, streaked or netted 

 with red and yellow. 



Flesh becoming tinged red when broken. Recognized by the 

 deep orange-yellow pores. 



On the ground under trees. 



**** Stem with raised lines anastomosing to form a network. 



B. pachypus. — Cap 4-8 in. across, downy, brownish, then pale 

 tan, flesh very thick, whitish, tinged blue when broken ; tubes 

 about \ in. long, short round stem, pores minute, rounded, yellow, 

 tinged green ; stem subglobose, then lengthening out, 2-3 in. long, 

 stout, regularly netted, variegated yellow and crimson or all crimson. 



In woods. 



B. ediilis. — Cap 4-6 in. across, smooth, moist, brownish, paler 

 towards the edge ; tubes up to § in. long, shorter round the stem ; 

 pores angular, yellow, then greenish ; stem 2-3 in. long, i|-2 in. 

 thick, buff, upper part with a polygonal network. 



Cap resembling a penny bun in size and colour. Flesh un- 

 changeable. Edible. 



In woods. 



var. elephantinus. — Flesh blue when broken. 



var. IcBvipes. — Stem whitish, without a network. 



B. calopus. — Cap 2-4 in. across, velvety, umber-brown with an 

 olive tinge, flesh yellowish, blue when cut ; tubes about \ in. long, 

 pores minute, angular, yellow, then greenish ; stem 2-4 in. long, 

 stout, usually more or less conical, reticulated, upper part crimson, 

 lower portion j^ellow, sometimes entirely red. 



Differs from B. chrysenteron and B. subtomentosus in the reticulated 

 or" netted stem, and from B. olivaceous in the edge of the cap not 

 being incurved. 



In woods. 



