Polyporaceee 



to whitish with age. Tubes nearly plane, their mouths small, subro- Boletus, 

 tund, at first stuffed, yellow. Stem nearly equal, solid, even or slightly 

 reticulated at the top, bright yellow, a little paler within. Spores 

 ochraceous-brown tinged with green, I2x5/u.. 



Pileus 3-6 in. broad. Stem 3-5 in. long, 8-12 lines thick. 



Under mountain laurel, Kalmia latifolia. Port Jefferson. July. 



The whole plant, except the upper surface of the pileus, is of a beau- 

 tiful yellow color. The stem is sometimes more highly colored than 

 the tubes. The species is referable to the tribe Edules. Peck, 5Oth 

 Rep. N. Y. State Bot. 



Mt. Gretna, Pa. August, September, 1898. Mcllvaine. 



In mixed woods in which Kalmia latifolia is plentiful. The speci- 

 mens found were in its vicinity. The caps are excellent. 



B. leptocepll'alus Pk. Gr. thin; Gr. head. Pileus thin, broadly 

 convex or nearly plane, dry, minutely cracked, especially near the 

 margin, light tawny-brown, sometimes tinged with reddish-brown. 

 Flesh yellowish-white, taste at first mild, then slightly acrid. Tubes 

 subventricose, depressed about the stem, nearly free, dingy olive-yellow, 

 the mouths small, subrotund. Stem nearly equal, enlarged at the top, 

 solid, glabrous or slightly pruinose-mealy, reticulated above, colored 

 like the pileus, white within, with a white mycelium at the base. Spores 

 greenish-olivaceous, fusiform, 12.5-17.5^ long, 5-61* broad. 



Pileus 10-12.5 cm. broad. Stem 10-12.5 cm. long, 1.2-1.6 cm. 

 thick. 



Dry, open woods. July. Earle. 



The reticulation of the upper part of the stem appears to be formed 

 by the decurrent walls of the tubes. The species belongs to the tribe 

 Edules. Peck, Bull. Torr. Bot. Club, Vol. 25. 



Edible. 



B. fra'grans Vitt. fragrant. Fasciculate or solitary. Pileus 1-4 in. 

 across, convex, dark-brown or umber-brown, often wavy, slightly to- 

 mentose, margin incurved. Flesh very thick, yellowish, sometimes un- 

 changeable, at others changing to green or blue, and finally becoming 

 reddish when broken. Tubes shortened around the stem and almost 

 free, % in. or more long, openings small, roundish, yellow then green- 

 ish. Stem at first stout, ovate, usually tapering at the base, then length- 



451 



