Russula sordida Peck 1906

Russula sordida Peck, Bull. Buffalo Soc. Nat. Sci. 1: 57. 1873
Pileus convex, becoming centrally depressed, 7.5-15 cm. broad; siurface sordid-white, becoming smoky-brown with age, dry, glabrous, margin even: context white, changing to blackish-brown or bluish-black where cut or bruised, mild or tardily acrid; lamellae white, changing to blackish-brown or black with age or in drying, unequal, sometimes forked, adnate to slightly decurrent, close; stipe white, becoming smoky-brown with age or where wounded, equal, solid, firm, 2.5-5 cm. long, 1.2-2.5 cm. thick: spores white, globose, very minutely echinulate, appearing nearly smooth, 8 ^ in diameter.
Type locality: Worcester, New York.
Habitat: On the ground under hemlocks.
Distribution: Maine, Connecticut, New York, Ohio, and Missouri.