Russula humidicola Burlingham.
Cap 3-6cm across, soon depressed at center, margin soon striate- tuberculate; salmon, reddish yellow, to darker red at center; glabrous, viscid when wet; cuticle peeling almost entirely. Gills close, narrow; pale cream. Stem 30-50 x 5-10mm; white. Flesh spongy; white. Odor not distinctive. Taste mild. Spores ovoid, 7-8 x 5.5-6.5µ; warts 0.4-10µ high, with almost full reticulum. Deposit medium yellow (E-F). Habitat in mixed woods. Uncommon. Found in eastern North America. Season July-September. Edible. (Never eat any mushroom until you are certain it is edible as many are poisonous and some are deadly poisonous)