78 NORTH AMERICAN FLORA [Vo_umE 10 
52. CLAUDOPUS (W. G. Smith) Gill. Champ. Fr. 426. 1876. 
Agaricus § Claddopus W. G. Smith, Clavis Agar. 17, 1870. 
Dochmiopus Pat. Hymén. Eur. 113. 1887. 
Octojuga Fayod, Ann. Sci. Nat. VII. 9: 390. 1889. 
Pileus fleshy, putrescent, irregular, dimidiate or resupinate; spores pink or salmon-colored; 
stipe lateral or wanting, rarely eccentric; veil none. 
Type species, Claudopus variabilis (Pers.) Gill. 
Pileus pure-white, unchanging with age. 
Pileus 1-4 mm. broad. 
Pileus 1-2.5 cm. broad. 
Pileus white or whitish, becoming pinkish or grayish, 1-2.5 cm. broad. 
Pileus greenish-white when young, dull-white or yellowish-white when old, 
2.5-5 em, broad. 
Pileus bright-yellow or bright-tawny-orange. 
Pileus reaching 2 cm. broad; spores globose. 
Pileus reaching 5 em. broad; spores curved-rod-shaped. 
Pileus gray, grayish-cinnamon, avellaneous, or brown. 
Pileus pale-avellaneous; stipe grayish, 5 mm. long. 
Pileus differently colored; stipe shorter. 
Pileus grayish-cinnamon. 
Pileus grayish-brown. 
. C. subdepluens. 
. C. multiformis. 
. C. depluens. 
. C. mephiticus. 
. C. subnidulans. 
C. nidulans. 
. C. avellaneus. 
. Cy. greigensis. 
. C, byssoideus. 
wo ms nn Sm Ghee 
H. 
1. Claudopus subdepluens,M. Fitzpatrick, Mycologia 7: 37. 1915. 
Pileus convex to expanded, minute, 1-4 mm. broad; surface white, minutely tomentose, 
margin sulcate; lamellae at first white, becoming salmon-colored, distant, adnate, entire on 
the edges; spores angular, uniguttulate, rarely 2-guttulate, rose-colored, 7-12 X 6-8 uw; stipe 
white, lateral, flexible, about 2 mm. long, not more than 0.5 mm. thick. 
Typk LocaLity: Six Mile Gorge, Ithaca, New York. 
Hasitat: Parasitic on Coltricia perennis. 
DistRIBUTION: Known only from the type locality. 
2. Claudopus multiformis Murrill. 
Agaricus variabilis Pers. Obs. Myc. 2: 46. 1799. Not A. variabilis Batsch, 1783. 
Claudopus variabilis Gill. Champ. Fr. 426. 1876. 
Pileus fleshy, resupinate to reflexed, 1-2.5 cm. broad; surface white, smooth, tomentose; 
lamellae distant, broad, white to red; spores ellipsoid, pale-red, 6-7 X 2.5—4 u; stipe eccentric 
or wanting, short, incurved, villose. 
Type LOCALITY: Europe. 
Hasitat: On decayed wood, usually spruce. 
DISTRIBUTION: Massachusetts and North Carolina; also in Europe. 
Inzusrrations: Cooke, Brit. Fungi pl. 344a (371); Gill. Champ. Fr. pl. 286 (95); Hussey, Il. 
Brit. Myc. 1: pl. 50; Pat. Tab. Fung. 1: f. 225, 226; Pers. Obs. Myc. 2: pl. 5, f. 12. 
Exsiccati: Romell, Fungi Scand. 108 (as C. sessilis); Roum. Fungi Gall. 2606; Thiim. Myc. 
Univ. 401; Westend, & Wall. Herb. Crypt. 1283. 
3. Claudopus depluens (Batsch) Gill. Champ. Fr. 427. 1876. 
Agaricus depluens Batsch, Elench. Fung. Contin. 1: 167. 1786. 
Agaricus epigaeus Pers. Obs. Myc. 2: 47. 1799. 
Pileus thin, at first resupinate, becoming reflexed, variable in form, sessile or with a short 
stipe, 1-2.5 em. broad; surface slightly silky-tomentose, especially toward the base, white 
or whitish, becoming pink or sometimes tinged with red or gray; lamellae broad, subdistant, 
whitish, becoming pink; spores angular, usually containing a single large nucleus, 10-11 X 7.5 pu. 
Type Locality: Bavaria. 
HasitaT: On moist shaded ground or among mosses, sometimes on dead wood or sawdust. 
DistRIBUTION: New York to South Carolina in the eastern United States; also in Europe. 
- are Crema Batsch, Elench. Fung. f. 122; Cooke, Brit. Fungi pl. 3446 (371); Pat. Tab. 
‘ung. f. ‘ : 
Exsiccati: Sydow, Myc. Mar. 4002. 
4. Claudopus mephiticus Murrill, Mycologia 7:7290. 1915. 
Pileus eccentric, convex to nearly plane, somewhat depressed at the center, cespitose, 
2.5-5 cm. broad; surface dry, glabrous, slightly concentrically sulcate, greenish-white when 
