103 



Bubroticulatecl depressions. Flcsli solid, firm, -white, clianging to blue. It is 

 distinguished at some distance by its l)rilliant and shining niaroou crimsoa 

 pileus. Spores yellowish brown, .0147-.00-47 m.m. 



lu (lamp woods. August. 



24. Boletus flnnus, n. sp. 



Pileus pulvinate, solid, and very firm, gray, slightly tomentose, often lacu- 

 nose, 2% to 4 inches broad. Tubes yellow, mouths tinged with red, unequal, 

 deeply arcuate, adnate. Stem solid, hard, 3 to 4 inches long, yellowish reddish 

 at base, very finely reticulated, tlesh deep yellow or yellowish, changing to 

 blue. A readily distinguislied species from its tenacity and generally distorted 

 growth. Spores .0125-.0033 m. m. 



In rich, moist woods. July. 



25. Boletus magiiisporus, n. sp. 



Pileus pulvinate, golden tomentose, firm, 2J^ to d}4 inches broad. Tubes 

 greenisli yellow, with light cinnabar red colored mouths, scarcely adnate, even. 

 Stem slender, long, yellow above and red below. Spores .O1C8-.00G3 m. m. 



In woods and thickets. September. 



26. Boletus decorus, n. sp. 



Pileus pulvinate, brownish tinged with red, tomentose, tolerably firm. Tubes 

 yellow, becoming free, turning green when cut. Stem brownish, red, fine 

 scurfy, bulbous, sometimes the bulb is attenuated at base and white. FlesJi 

 white, unchanging. The edge of the pileus is often dark with a red tinge. 

 Spores .0136-.0053 m. m. 



In rich woods. September. 



27. Boletus tenuiculus, n. sp. 



Pileus almost plane, thin, lurid red on a yellow ground, 1 to 3 inches broad. 

 Tubes rather golden yellow, small, short adnate. Stem 4 to 6 inches long, slen- 

 der, equal, colored as pileus. Flesh unchanging. Spores .0105-.OOG3 m. m. 



In woods. August. 



28. Boletus aurispoi'us, Peck. 



29. Boletus innixus, n. sp. 



Pileus flat convex, smooth, yellowish brown, slightly areolated when old, 

 yellow in the interstices. Tubes lemon yellow, unchanging, adnate. Stem 

 slender, short, in large specimens very much thickened at base, yellowish 

 streaked with brown. Flesli, white in pileus, brownish in stem. The whole 

 often reclines as if for support. Sporxs .0105-.00j2 m.m. 



In grassy woods. July. 



