POLTPOREI. 253 



at the "base ; tubes subdeciirrent, large, angnlar, ferruginous. — 

 Fr.Epicr.pAl2. JBulltAbl,f.2. Bafsch.f.2S. Sow.t.U. Fl, 

 Dan. t. 1850. Krorahh. t.Zl, f. lG-20. Eng. FL Y.p. 150. Corda. 

 Sturm.t. 60. Barla. t. 32, f. 5-10. Smith, P.M./. 26. 



In woods. Autnmn. [Carolina, U. S.] 



Pilens 1-3 in. broad, at length plane, moist, or even glutinous, reddish- 

 yellow or brownish. Flesh yellow, not changing colour. Tubes large, sub- 

 decurrent. angular, reddish-yellow or ferruginous.^ Stem 1-2 in. high, 3-4 

 lines thick, more or less deep yellow. Taste remarkably acrid and pungent. 

 ^Grev. Spores oval, brown, '0003 X '00015 in. 



Sect. 2. Subtomentosi. 



709. Boletus rubinus. Smith. " Eed- tubed Boletus." 



Pilens yellow-brown, gibbous, pulvinate, then plane, dry, sub- 

 tomentose, siigbtly cracked ; tubes wholly carmine, snbdecurrent, 

 compound, of a medium size ; stem yellow, smeared with crim- 

 son, irregular ; flesh vivid-yellow, perfectly unchangeable ; spores 

 pale-umber, ovate. — Seem. Journ. 1868, ^J- 33, t. 75,/. 1-4. 



Under trees by the roadside. Sept. Near Dunstable. 



It differs from all other British species in the wholly carmine tubes, to- 

 gether with the vivid-yellow, wholly unchangeable flesh. Pileus 2-3 in. broad, 

 stem 2-3 in. high. Spores oval, almost round, pale warm brown, '00025 X 

 •0002 in. 



710. Boletus parasiticus. Bull. " Parasitic Boletus." 



Pileus hemispherical, smooth, viscid, soon cracked and tesse- 

 lated ; stem thin, incurved, rigid, diffracto-rimose, yellow with- 

 out and within ; tubes decurrent, middle-sized, rounded, simple, 

 golden-yellow. — Fr. Epicr. p. 4:12. Bull. t. Aol,/. 1. Berh. Outl. 

 t. 15,/. 4. Ann. N.H. no. 338. 



On species of Scleroderma. Pare. Clifton. Kcw. Coombe 

 wood. 



Pileus silky, dirty-yellow as well as the incurved, rigid, slightly silky 

 stem; flesh of a pale-reddish hue ; tubes decurrent, labyrinthiform, reddish. 

 It is certainly not viscid in any stage of growth. — B. d; Br. 



We have met with it several times, but there has not been any reddish 

 tint in the tubes of our specimens. Hence they may vary in colour. Tubes 

 at first sulphur colour, yellow, then reddish-orange. Spores spindle-shaped, 

 elongated, pale brown, very different from the last, "OOOo X "00015 in. 



711. Boletus variegatus. Fr. '-Variegated Boletus." 



Pileus convexo-plane, obtuse, moist, tawny-yellow, with scat- 

 tered superficial, fasciculato-j)ilose scales ; margin acute, at first 

 flocculose ; stem without ring, firm, equal, even ; tubes adnate, 



