47. Russula vinacea Burlingham, sp. nov.
Pileus convex, then depressed in the center, up to 10 cm. broad; surface vinaceous, becoming more or less maize-yellow on the disk, viscid when moist, with separable pellicle except on the disk, pruinose when young; margin arched for some time, becoming striate-tuberculate when mature: contex rather firm, red next to the cuticle, otherwise white, acrid; lamellae white, then more or less rust-colored, especially where bruised, sometimes a few short ones intermixed, acute and forking at the inner ends, rounded and broad at the outer ends, interveined, rather close; stipe white or with a few rust-colored spots, equal, firm, then spongy, 4.5–6 cm. long, 1–2.5 cm. thick: spores white, elliptic, strongly echinulate, 7–8.7 × 8–10 µ.
Type collected in wet woods of oak and chestnut at Cold Spring Harbor, Long Island, New York, August 3, 1912, Gertrude S. Burlingham 85-1912 (herb. Burlingham).
Holotypus: Herb. Burlingham: Gertrude S. Burlingham 85-1912
Published type studies: Hesler (1960).
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