Entoloma serrulatum (Fr.) Hesler 1967

Eccilia atrides (Lasch) Qu61. Champ. Jura Vosg..90. 1872
Agaricus atrides Lasch, Linnaea 4: 539. 1829.
Pileus subfleshy-membranous, hemispheric to convex, becoming plane, deeply umbilicate, subgregarious, 2.5-3 cm. broad; surface substriate, silky-shining, black or gray, darker and squamulose toward the disk, margin striate; lamellae attenuate, subdecurrent, thin, at length denticulate, subcrowded, pallid, black on the edges; spores broadly ellipsoid, angular, obliquely apiculate, uniguttulate, rose-colored, 8-10 X 7-8 m; stipe subequal, hollow, subconcolorous, finely black-punctate, especially at the apex, fibrillose at the base, 5-7 cm. long,
2-4 mm. thick.
Type locality: Germany. j j j
Habitat: In moist, shady places among mosses or terns, sometimes on dead wood. DiSTitiBUTiON: New England to North Carolina and west to Michigan; also in Europe.

Leptoniella columbaria (Bull.) Murrill
Agaricus columharius Bull. Herb. Fr. pi. 413, f. 1. 1788. Agaricus serrula Pers. Syn. Fung. 463. 1801. Agaricus serrulatus Fries, Syst. Myc. 1: 204. 1821. Leptonia serrulata Qu61. Champ. Jura Vosg. 88. 1872.
Pileus thin, hemispheric to expanded, umbilicate, 2-4 cm. broad; surface squamulose, bluish-black, often becoming grayish-brown with age, margin not striate; lamellae adnate, separating, broad, salmon-colored, black and serrulate on the edges; spores ellipsoid, angular, irregular, apiculate, uniguttulate, rose-colored, 8-10 X 6-7 ju; stipe glabrous, black or bluish, black-ptmctate at the apex, hollow, 4-6 cm. long, 2-3 mm. thick.
Type locality: France.
Habitat: Among humus in woods.
Distribution: Maine to Wisconsin and Ohio; also in Europe.