BOLETUS 567 



in the smaller spores, and in the strong acid smell. This variety is a 

 condition of the type brought about by the attack of a parasitic 

 Hypomyces. Woods. July Nov. Common, (v.v.) 



1871. B. pinicola (Vitt.) Eea. (= ? Boletus fusco-ruber Quel.) Trans. 

 Brit. Myc. Soc. iv, t. 6. Pinus, pine ; colo, I inhabit. 



P. 9-20 cm., rich chestnut colour, bordered by a narrow white line at 

 the margin, convex, slightly viscid when moist, then dry andfioccose. 

 St. 9-15 x 4-5 cm., concolorous, subbulbous, rugose, slightly reticu- 

 late. Tubes greenish, adnate, 15-20 mm. long, ventricose; orifice of 

 pores round, or angular, 1 mm. broad. Flesh white, reddish under the 

 cuticle of the p., thick. Spores olivaceous, fusiform, 15-18 x 4-5/i, 

 1-3-guttulate. Smell and taste pleasant. Edible. Coniferous woods. 

 Sept. Oct. Not uncommon, (v.v.) 



1872. B. reticulatus (Schaeff.) Boud. Trans. Brit. Myc. Soc. iv, t. 5. 



Reticulatus, netted. 



P. 8-15 cm., ochraceous yellow, or greyish fawn, convex, finely tomen- 

 tose, often cracked in dry weather. St. 6-9 x 4-6 cm., concolorous, or 

 paler, slightly constricted at the base, reticulated to the base. Tubes 

 greenish yellow, free, or almost free, fairly long; orifice of pores round, 

 small, 1 mm. across. Flesh white, slightly coloured under the cuticle of 

 the p. and at the base of the tubes, firm, thick. Spores olivaceous, oblong 

 fusiform, 13-18 x 4-5/i, 1-3-guttulate. Smell and taste pleasant. 

 Edible. Deciduous woods. May Oct. Not uncommon, (v.v.) 



1873. B. aestivalis (Paul.) Fr. Hussey, Illus. Brit. Myc. n, t. 25. 



Aestivalis, pertaining to summer. 



P. 10-20 cm., whitish, bistre cream, or reddish, convex, pulvinate, 

 somewhat repand, smooth, then granular in dry weather. St. 8-11 x 

 56 cm., light yellow, ovoid, bulbous, smooth, or minutely reticulate. 

 Tubes yellow, or greyish, somewhat free, long; orifice of pores small, 

 round, equal. Flesh yellow, white above, reddish at the base of the St., 

 thick. Spores yellow, oblong fusiform, or oblong elliptical, 12-14 x 

 4-5ft, 1-2-guttulate. Smell and taste pleasant. Edible. Woods, and 

 heaths. June Oct. Uncommon, (v.v.) 



1874. B. aereus (Bull.) Fr. Krombh. t. 36, figs. 1-7. 



Aereus, made of copper. 



P. 6-9 cm., olivaceous fuscous, somewhat blackish, hemispherical, 

 then convex, pulvinate, minutely pubescent, or villose. St. 7-9 x 

 2'5 3-5 cm., yellowish, becoming fuscous downwards, beautifully re- 

 ticulate. Tubes white, then sulphur yellow, somewhat free; orifice of 

 pores minute, round, or angular. Flesh white, reddish under the cuticle 

 of the p. and st., and reddish purple when the surface of the p. has been 

 eaten by slugs, firm, compact. Spores yellow, oblong elliptical, or 



