Boletus POLYPORACEyE 323 



vinous below. T. sinuato-adnate, pale yellow-olive, shaded 

 greenish. Po. minute, somewhat round. Flesh pale sulphur 

 or buff-white, with a faint blue line over T. 

 Taste insipid or pleasant, with a peculiar lasting acid flavour. Woods, 

 mixed. July-Nov. 4§ X 2§ x if in. 



1476. B. radieans Pers. (from the rooting stem ; radix, a root) a b. 

 P. pulvinate, yellowish-umber to umber or olive, membrane of P. 



overlapping T. and involute. St. usually attenuate downwards, 

 pale primrose to apricot-yellow, and dark ochre, pruinate, rose 

 and sienna clouded where touched. T. adnate, colour as St. 

 Po. unequal, large. Flesh yellowish-white, sometimes changing 

 to pale blue or slate. 

 Taste somewhat bitter. Woods. Sept. 3^ x z\ X § in. Often confused 

 with 1472. 



1477. B. rubinus W. G. Sm. (from the ruby-coloured tubes) a b c. 



P. pulvinate to flat, whitish orange-umber or yellow-fuscous. 



St. equal or slightly attenuate downwards, yellow clouded 



crimson. T. adnato-decurrent, carmine. Po. compound. 



Flesh unchanging, vivid yellow. 

 Taste mild. Woods, roadsides, under trees, oak, beech. Aug.-Sept. 



2f x \\ X J in. 



c. Subpruiiiosce. 



1478. B. versicolor Rostk. (from the change of colour in the flesh) a b. 

 P. pulvinate to convexo-plane, bright deep crimson-purple. 



St. slightly pruinose, smooth, colour as P. or orange-brown, 



lighter above and below, sometimes sulphur above. T. adnato- 



rounded, orange. Po. large, angular. Flesh whitish-yellow, 



changing to cobalt and vinous. 



Said to be edible. Taste slightly disagreeable or none ; odour strong and 

 rank, like 2086. Woods, beech, gardens. Aug.-Sept. 2| X 2.\ X § in. 



1479. B. pruinatus Fr. (from the pruinose pileus) a b. 



P. convex to flattish, rigid, yellowish vinous-umber. St. some- 

 what ventricose or clavate, even, smooth, yellow, finely lined 

 with crimson. T. yellow 7 . Po. minute, round. Flesh w r hitish, 

 sparingly changing to blue. 



Grassy places. Autumn. 2.\ x 2 x | in. 



1480. B. purpuraseens Rostk. (from the purple pileus and stem) a. 

 P. convex to plane, dry, glabrous, deep brownish-purple or deep 



purple-crimson. St. attenuate downwards, rooting, even, 

 glabrous, colour as P., sometimes yellowish above and below. 

 T. dull yellow. Po. minute. Flesh dull grey or yellowish, 

 streaked or marbled. 

 Woods, pine. Autumn. 3I X 2 X | in. 



1481. B. parasiticus Bull, (from the parasitic habit) a b c. 



P. obtuse, plane, silky to smooth, yellowish-brown. St. slightly 

 attenuate downwards, colour as P., or lighter, with pale vinous- 

 sienna streaks. T. adnate to subdecurrent, colour as St., 



y 2 



