330 POLYPORACE^E Boletus 



j. Carlo see. 



1511. B. eyaneseens Bull, (from the change of colour in the flesh to 



blue ; cyaneus, dark blue) a b c. 



P. convex, floccoso-scaly, brownish-ochre. St. equal to clavate, 

 spongy-cavernous, dry, cracking, slightly annulate when young, 

 squamose, corticate, colour as P. T. adnato- or adnexo- 

 rounded, yellowish-white or faintly-shaded olive. Flesh 

 yellowish- or brownish-white, changing to blue. 



Taste none. Woods, mixed ; rare. July-Sept. 3^ x 3^ X \\ in. Whole 

 plant dry like 1516, drying in decay, not decomposing." Wholly veiled in 

 infancy by a thick floccose coat. Changes to sulphur-yellow when dry. 



1512. B. eastaneus Bull, (from the colour of the pileus ; castanea, the 



chestnut) a b c. 



P. convex, expanded, velvety, sometimes becoming repand, 

 yellowish-white or vinous-cream, then cinnamon. St. clavate, 

 velvety, corticate, cracking transversely, stuffed to hollow, 

 colour as P. T. free, whitish-sulphur to pale primrose, 

 becoming clouded or spotted pale brownish. Flesh white. 



Woods, pastures under trees, amongst brambles ; rare. Aug. -Oct. 

 3i X 2 x | in. 



1513. B. fulvidus Fr. (from the yellowish-brown or tawny pileus; 



fulvns, tawny) a b. 



P. convex to plane, smooth, shining, rigid, yellowish- or 

 brownish-orange. St. equal to subclavate, cracking, stuffed to 

 hollow, colour as P., paler below. T. free, white to sulphur- 

 yellowish. Flesh white to yellowish. 



Taste sweet, nutty. Under trees, oak. Aug. -Sept. 2f x 2f x in. 



SUBGENUS 2. GYRODON. 

 (From the gyroso-toothed tubes ; Gr. odoits, a tooth.) 



1514. B. esespitosus Mass, (from the caespitose habit) a. 



P. hemispherical, tomentose, dry olivaceous-umber; marg. pale 

 rose. St. solid, even, glabrous, yellow, base dull red. T. very 

 short. Po. yellow. Flesh firm, yellow, changing to dark blue or 

 bluish-black, then rufous fading to dull white, dingy-red at base. 



Densely fasciculate, stems more or less connate at base. Under trees, 

 amongst grass. Aug. 2j x 2j x I in. 



1514a. B. Sistotrema Fr. (from the resemblance in the tubes to those 



of Sistotrema} a. 



P. fleshy at mid., thin at marg. where it is flattened above and 

 below, glabrous, dry, rufous- or yellowish-brown. St. equal or 

 slightly enlarged below, even, pallid rufous or as T., tinged 

 pale brown. T. adnate, short, unequal, yellow-tawny or pale 

 yellowish-sulphur. Po. becoming gyroso-plicate. Flesh white 

 clouded pale sulphur. 



Dry woods. Autumn. 2f X 2f x f in. Var. brachypoms W. G. Sm. 



(Boletus brachyporus Rostk.) P. white. St. white, pale sulphur below. 



T. pale sulphur. Flesh sulphur-white. Changing to pale green where 

 touched. 



