556 STROBILOMYCES. BOLETINUS. GYRODON 



1835. S. strobilaceus (Scop.) Berk. (= Boletus strobilaceus (Scop.) Fr.) 

 Eostk. Bol. t. 38, as Boletus strobilaceus Scop. 



crTp6/3i\os, a fir cone. 



P. 5-10 cm., white, becoming brownish or blackish umber, pulvinate, 

 then convex, broken up into large, thick, fioccose scales ; margin appen- 

 diculate with the white floccose veil. St. 7-15 x 1-2 cm., concolorous, 

 equal, apex white, sulcately reticulated, floccosely scaly below the 

 ring. Ring white, floccose, thick. Tubes white, becoming brownish, 

 adnate, or with a decurrent tooth, long; orifice of pores white, be- 

 coming reddish when touched or bruised, broad, angular. Flesh white, 

 becoming reddish and finally blackish bistre, thick, floccose. Spores 

 blackish purple, subglobose, verrucose, 9-11 x 8-9 /x. Smell pleasant. 

 Deciduous and coniferous woods. Aug. Oct. Uncommon, (v.v.) 



Spores ochraceous, ferruginous, or olivaceous. 

 Tubes short, alveolar, decurrent. 



Boletinus Kalchbr. 

 (Boletinus, diminutive of Boletus.) 



Pileus dry, fibrillosely scaly. Stem central, hollow, bulbous, woolly. 

 Ring white, floccose, thick. Pores large, alveolar, compound, re- 

 ticulately decurrent on the stem. Flesh yellow, unchangeable. Spores 

 yellow, elliptic-fusiform, smooth. Cystidia present. Growing on the 

 ground and on mossy trunks. 



1836. B. cavipes (Opatowski) Klotzsch. Kalchbr. Icon. t. 31. 



Cavus, hollow; pes, foot. 



P. 3-8 cm., tawny, or brownish tawny, convex, subumbonate, fibril- 

 losely scaly, fleshy. St. 5-8 x -5-1 cm., lemon yellow above the ring, 

 concolorous below, subequal, or attenuated upwards, thickened at the 

 base and rooting, incurved, tough, stuffed, then hollow especially at 

 the base, apex reticulate, rough or fibrillosely scaly. Ring white, 

 floccose, thick, evanescent. Tubes yellow, or sulphur coloured, becoming 

 greenish or olivaceous, compound, broad, honey-comb-like, decurrent. 

 Flesh becoming yellow in the p., white in the st., firm. Spores yellow, 

 elliptic-fusiform, 10/t. Taste pleasant. Edible. Under larches and on 

 mossy beech trunks. Sept. Oct. Rare. 



Tubes very short, gyroso-plicate. 



Gyrodon Opatowski. 

 (yvpos, round; o8(av, a tooth.) 



Pileus fleshy, viscid, or villose. Stem central, smooth, or punctate. 

 Tubes very short, 1-2 mm. long; orifice of pores sinuous, torn, or 

 gyroso-plicate. Spores ochraceous, or olivaceous,elliptical,elliptic cylin- 

 drical, or fusiform, smooth. Growing on the ground, often fasciculate. 



