TYLOPILTJS. PHAEOPORUS. STROBILOMYCES 555 



1833. T. alutarius (Fr.) Rea. (= Boletus alutarius Fr.) 



Aluta, tanned leather. 



P. 7-10 cm,, fuscous tan, pulvinate, or convex, then expanded, soft, 

 velvety, becoming smooth. St. 6-8 x 2-3 cm., concolorous, bulbous, 

 somewhat smooth, apex rugose. Tubes white, becoming pinkish, de- 

 pressed round the st., short, plane; orifice of pores white, becoming 

 fuscous when bruised, round. Flesh white, unchangeable, soft. Spores 

 pink. Taste mild. Woodland pastures. Oct. Rare. 



Spores purple. 

 Phaeoporus Bataille (= Boletus p.p.). 



($ato9, dusky; 770/309, pore.) 



Pileus tomentose, or velvety-silky. Stem central, blackish bistre, 

 velvety, or glabrous. Tubes grey, or pinkish grey, sinuate, or free, 

 fairly long; orifice of pores concolorous, becoming greenish blue when 

 touched. Flesh compact, becoming blue, or grey when exposed to 

 the air. Spores fuscous purple, elliptic-fusiform, smooth. Growing 

 on the ground. 



1834. P. porphyrosporus (Fr.) Bat. (= Boletus porphyrosporus Fr.) 

 Boud. Icon. t. 149, as Boletus porphyrosporus Fr. 



7rop<j>vpa, purple; <nropd, seed. 



P. 5-15 cm., olivaceous, or brownish fuliginous, becoming blackish 

 when bruised, hemispherical, then convex, fleshy, minutely velvety. 

 St. 712 x 1-5-3 cm., concolorous, attenuated upwards from the 

 thickened, paler base, velvety. Tubes pale grey or olivaceous, adnate, 

 fairly long; orifice of pores yellowish, becoming bluish green when 

 bruised and staining white paper an emerald green colour, broad, 

 angular. Flesh dirty white, becoming bluish, or fuliginous, compact. 

 Spores dull, or brownish purple, fusiform, 14-16 x 3-4 /u, 2-4-guttu- 

 late. Smell strong. Woods and pastures under trees. July Oct. 

 Uncommon, (v.v.) 

 var. fuligineus (Fr.) Bat. (= Boktus fuligineus Fr.) Fuligineus, sooty. 



Differs from the type in the villosely silky p. and glabrous st. Under 

 conifers. Sept. Rare, (v.v.) 



Spores blackish, or fuscous. Pileus covered with imbricate scales. 



Strobilomyces Berk. 

 (arpoyStXo?, a fir cone; fjujter)*;, fungus.) 



Pileus fleshy, firm, floccose, clothed with large, imbricate scales. 

 Stem firm, rigid, woolly, or scaly, annulate. Tubes white, then greyish 

 bistre, adnate, long, orifice of pores concolorous, angular. Flesh floc- 

 cose, not putrescent, firm, light, becoming reddish, or bluish grey, 

 and finally blackish on exposure to the air. Spores blackish purple, 

 subglobose, verrucose. Cystidia present. Growing on the ground. 



