Entoloma sinuatum (Lead Poisoner)

Description: Lead-gray or dirty brownish, slippery cap; flesh with mealy odor and taste.

Cap: 2 3/4-6" (7-15 cm) wide; convex to flat, knobbed at times; margin inrolled, spreading; smooth, slightly hoary, slippery; dull dirty brown to grayish. Flesh thickish near stalk, white to blackish-brown. Odor and taste strongly cucumberlike.

Gills: attached, close to almost distant, broad; pale grayish to yellowish when young, pinkish at maturity.

Stalk: 1 5/8-4 3/4" (4-12 cm) long, 3/8-1" (1-2.5 cm) thick; sparsely fibrous, pale grayish; hollow.

Spores: 7-10 X 7-9 m; angular, roundish, with many oil drops. spore print salmon-pinkish.

Edibility: Poisonous.

Season: August-September.

Habitat: Scattered or in groups, under hardwoods and conifers.

Range: Widely distributed in North America.

Look-alikes: Tricholoma species have white spores. Clitocybe nuda lacks cucumberlike odor and taste. Clitopilus have gills descending stalk.

Comments: Also known as E. lividum. This mushroom, like several other species of Entoloma, can cause severe gastric upset, vomiting, and diarrhea for 1-2 days.

Entoloma sinuatum images and excerpt from Gary H. Lincoff's National Audubon Society Field Guide to North American Mushrooms, (1981/2004, p. 645 , images #275, 367).

Entoloma sinuatum (Lead Poisoner)
Entoloma sinuatum (Lead Poisoner)2