L. plum´beus Fr.—like plumbum, lead. Pileus 2—5 in. broad, compact, convex, then infundibuliform, dry, unpolished sooty or brownish-black. Gills crowded, white, or yellowish. Stem 1.5–3 in. long, 3–6 lines thick, solid, equal, thick. Milk white, acrid, unchangeable. Spores 6.3–7.6µ.
The specimens which I have referred to this species were found in the Catskill mountains several years ago, growing in hemlock woods, under spruce and balsam trees. I have not met with the species since. The pileus in the larger specimens had a minutely tomentose appearance, but in the dried specimens this has disappeared. They also varied in color from blackish-brown to pinkish-brown and grayish-brown, but they can scarcely be more than a mere form or variety of the species the description of which, as given by Fries, I have quoted. In the Handbook the pileus is described as dark fuliginous-gray or brown, and Gillet describes it as black-brown, dark fuliginous or lead color, and adds that the plant is poisonous and the milk very acrid and burning. Cordier says that the flesh is white and the taste bitter and disagreeable. Peck, 38th Rep. N.Y. State Bot.
Poisonous. Gillet.
L. pergame´nus Fr.—parchment. White. Pileus fleshy, pliant, convex then plano-depressed, spread, zoneless, slightly wrinkled, smooth. Stem stuffed, smooth, changing color. Gills adnate, very narrow, horizontal, very crowded, branched, white, then straw-color. Milk white, acrid.
Very much allied to L. piperatus, but differing in the stem being stuffed, at length softer internally, elongated, 3 in., unequal, attenuated downward and here and there ascending, quite smooth; in the pileus being thinner, pliant, elastic, most frequently irregular and excentric, for the most part flexuous, at first convex (not umbilicate), then rather plane, the surface very smooth, but unpolished and wrinkled in a peculiar manner; and in the gills being adnate, not decurrent, very crowded, very narrow (scarcely 1 line broad), always straight and horizontal, not arcuate or extended upward, soon straw-color. The flesh is very milky, but the gills are sparingly so. Fries.
In woods. October.
Spores subglobose, rather irregular, 6–8µ C.B.P.; broadly elliptical, echinulate, 7×5–6µ Massee.
Eaten on the continent and Nova Scotia. Edible. Cooke.
North Carolina, Curtis; New England, Frost; Ohio, Morgan.
L. pipera´tus Fr.—piper, pepper. (Plate [XLI], fig. 1, p. 160.) Pileus 4–9 in. broad, white, fleshy, rigid, umbilicate when young, reflexed (margin at first involute) at the circumference, when full grown wholly funnel-shaped, for the most part regular, even, smooth, zoneless. Flesh white. Stem 1–2 in. long, 1–2 in. thick, solid, obese, equal or obconical, even, obsoletely pruinose, white. Gills decurrent, crowded, narrow, scarcely broader than 1 line, obtuse at the edge, dividing by pairs, arcuate then all extended upward in a straight line, white, here and there with yellow spots. Milk white, unchangeable, plentiful and very acrid.