572 BOLETUS 



of the st., compact. Spores olivaceous, oblong-fusiform, 11-12 x 5- 

 6ju,, 2-4-guttulate. Woods, and pastures. June Oct. Uncommon. 

 (v.v.) 



1891. B. Queletii Schulzer, var. rubicundus Eene Maire. (= Boletus 

 purpureus Fr. (forma) Massee, Brit. Fung. Fl. i, 290.) Bull. 

 Soc. Myc. Fr. xxvi, 195, t. v, figs. 5-6. Rubicundus, ruddy. 



P. 5-16 cm., reddish purple, or reddish brown, hemispherical, then 

 convex, pruinose, then subtomentose; margin at first involute, pruinose 

 and flesh colour. St. 7-10 x 2-3 cm., yellow straw colour, then pale 

 ochraceous, densely punctate with red and dark purple at the base, more 

 or less bulbous and fusiform, slightly rooting. Tubes yellowish, then 

 pure yellow, becoming blue and finally black when touched, free, 

 sinuate ; orifice of pores greyish orange, then purple orange or saffron 

 colour, small, round, or slightly irregular. Flesh yellow, becoming blue 

 and finally blackish, reddish purple at the base of the st. Spores oliva- 

 ceous, elliptical-oblong, 8-10 x 4-5 /A, 1-3-guttulate. Taste pleasant. 

 Calcareous woods. Uncommon. 



B. St.fibrilloselyfieshy, generally fioccosely squamulose and mucronate, 

 rarely rugosely or reticulately ribbed. Pores white, or whitish, rarely 

 yellow. Tubes concolorous, free, or sinuate, rarely adnate. Flesh 

 generally white, and soft, often becoming bistre colour on exposure 

 to the air, then becoming black. Large or medium in size. 



1892. B. duriusculus Schulz. Boud. Icon. t. 150. 



Duriusculus, somewhat hard. 



P. 5-15 cm., grey fuliginous, or grey bistre, convex, minutely tomen- 

 tose, viscid in wet weather, often areolately cracked when dry. St. 

 10-20 x 1-5-4 cm., white, densely striate and black punctate, the striae 

 often anastomosing in a reticulate manner, often spotted greenish at 

 the attenuated, or incrassated base, very firm, equal, or subventricose. 

 Tubes dirty white, somewhat free, fairly long; orifice of pores minute, 

 round, or subangular. Flesh white, becoming reddish on exposure to 

 the air especially in the p. and apex of the st., then becoming blackish, 

 very firm. Spores fuliginous in the mass, pale under the microscope, 

 oblong fusiform, 13-15 x 4-5-6/x, 2-multi-guttulate. Taste pleasant. 

 Edible. Woods, heaths, and pastures, especially under poplars. Aug. 

 Oct. Uncommon, (v.v.) 



1893. B. versipellis Fr. (= Boletus rufus (Schaeff .) Quel. ; Boletus 

 aurantiacus Bull. sec. Quel.) Holland, Champ, t. 87, no. 193, 

 as Boletus aurantiacus. Versipellis, changeable in appearance. 



P. 5-15 cm., rufous, hemispherical, pulvinate, dry, tomentose, then 

 scaly, and becoming even ; margin often appendiculate with the remains 

 of the membranaceous, fugacious veil. St. 8-12 x 3-5 cm., whitish, 



