Part 6, 1916] AGARICACHAE 399 
spores broadly ellipsoid or subglobose, 4.5 X 3-4 u: stipe slender, equal, stuffed or hollow, 
glabrous, whitish, often curved and eccentric from the place of growth, 2.5 cm. long, 2 mm. 
thick. 
TYPE Locality: Croghan, New York. 
Hasrirat: Trunks of deciduous trees, especially sugar maple. 
DISTRIBUTION: New York and Ohio. 
4, Clitocybe eccentrica Peck, Bull. Torrey Club 25: 321. 1898. 
‘Pileus very thin, umbilicate or subinfundibuliform, gregarious or cespitose, 2.5-5 cm. 
broad; surface glabrous, watery-white and shining when moist, white when dry, margin thin, 
often lobed, irregular or deeply cleft on one side: lamellae narrow, close, decurrent, white: 
spores 4-5 X 2.5-3 uw: stipe slender, often eccentric, white, tough, solid, glabrous, strigosely 
hairy at the base, often with long branching strands of white mycelium permeating the matrix, 
2.5-4 em. long, 2-4 mm. thick. 
Type LOCALITY: Vermont. 
Hasitat: Much decayed wood. 
DistRisutTion: New England to North Carolina and west to Wisconsin. 
5. Clitocybe candens Murrill. 
Agaricus umbilicatus Bolt. Hist. Fung. 17. 1788. Not A. umbilicatus Schaeff. 1774. 
Agaricus candicans Pers. Syn. Fung. 456. 1801. Not A. candicans Schaeff. 1774. 
Clitocybe albo-umbilicata Murrill, Mycologia 7: 257,in part. 1915. Not Agaricus albo-umbilicatus 
Hoffm. Nom. Fung. 152, 1789. 
Pileus slightly fleshy, convex becoming plane or depressed, umbilicate, regular, gregarious, 
2-3 cm. broad; surface smooth, shining, with a superficial silky film, white when moist, shining- 
white when dry: context somewhat tough; lamellae very thin, crowded, narrow, adnate be- 
coming decurrent, white: spores 4-6 X 4 u: stipe smooth, equal, waxy, polished, rarely slightly 
eccentric, hollow or nearly so, shining, often curved, rooting and villose at the base, 2-4 cm. 
long, 2-5 mm. thick. 
TYPE LOCALITY: Europe. 
Hasrrat: Among fallen leaves in woods. . 
DistrrBution: Eastern United States; California; also in Europe. 
6. Clitocybe regularis Peck, Bull. N. Y. State Mus. 10: 948. 1902. 
Pileus thin, flexible, broadly convex, becoming nearly plane, often depressed at the center, 
orbicular, regular, 1-2.5 cm. broad; surface whitish when moist, white when dry: context 
white, the taste mild; lamellae thin, narrow, crowded, decurrent, whitish: spores minute, 4-5 X 
2.5-3 wu: stipe firm, equal, glabrous, solid or rarely hollow, whitish, spongy and thickened at 
the base, 2.5 cm. long, 3-6 mm. thick. 
TYPE Locatrty: Bolton, New York. 
HasitatT: Among leaves in woods. 
DisrrisuTion: New York and Texas. 
In.ustrations: Bull. N. ¥. State Mus. 10: pl. K, f. 1-7. 
7. Clitocybe pithyophila(Fries) Gill. Champ. Fr. 152. 1874. 
Agaricus (Clitocybe) pithyophilus Fries, Syst. Myc. 1: 83. 1821. 
Pileus fleshy, thin, nearly plane, umbilicate, gregarious or subcespitose, 4-7 cm. broad; 
surface glabrous, white when moist, shining-white when dry, margin o ten wavy or lobed: 
lamellae crowded, plane, narrow. adnate or slightly decurrent, persistently white: spores 6-7 
X 3-4 p: stipe equal, glabrous, downy at the base, somewhat hollow, often compressed, white 
or yellowish, 4-5 cm. long, 3-4 mm. thick. 
TYPE LOCALITY: Europe. 
Hasrrat: Pine woods. | 
Distripurion: New York to Ohio; also in Europe. 
ILLUSTRATION: Hard, Mushrooms f. 73. 
