76 THE CHICAGO ACADEMY OF SCIENCES 



Lamellae adnate. separating free, somewhat distant, plane, 

 equally attenuated from the stem toward the margin, whitish- 

 gray. 



Stem cartilaginous, fistulose, thin, equal, tense and straight, 

 even, smooth, typically livid, white villous at the base. The stem 

 varies fuscous, green and azure-blue. 



Pileus 2.5 to 3.5 cm. broad: stem 2.5 to 5 cm. long, scarcely 

 2 mm. thick. 



Among mosses, border of swamp, Millers. August. Pileus 

 12 mm. to 2.5 cm. broad; stem bluish lead-color, 2.5 to 6 cm. 

 long; spores irregular, somewhat angled, apiculate at one end, 

 about 10 x 7 fx. 



ECCILIA. 



Stem cartilaginous, hollow or stuffed, expanding upward into 

 the pileus. which is more or less membranous and at first inflexed 

 at the margin; lamellae attenuated behind, decurrent. 



Eccilia rhodocylix Lasch. 



Pileus membranous, rugulose, floccose, soft, umbilicate then 

 infundibuliform, remotely striate when moist, fiocculose when dry. 



Lamellae strongly decurrent, distant, thick, whitish then 

 flesh-color. 



Stem stuffed, slender, incurved, even, smooth, cinereous. 



Spores oval, pentangular, 10 fj.. 



On mossy ground in moist wood-. Glen Ellyn, June. 1905. 

 The pileus is dark gray and sulcate-striate when moist, whitish- 

 gray and finely silky-striate when dry. The stem is thickened 

 above, mouse-color and semi-pellucid when moist, grayish and 

 opaque when dry, often with a tuft of white silky fibers at the 

 base. Taste mild, mealy. Pileus 5 to 15 mm. broad; stem 15 

 to 25 mm. long, 1 to 2 mm, thick; spores rosy-pink, pentangular, 

 8 to 10 /x., often with an oblique apiculus at one of the angles. 



E. pentagonospora Atk. (Journ. Myc. 8: 113) may perhaps be 

 a synonym, the description agreeing well with the hygrophanous 

 state of our plant. 



CLAUDOPUS. 



Pileus eccentric, lateral or resnpinate; spores rosy or salmon- 

 colored. Growing on wood, rarely on the ground. 



Pileus yellow ( '. nidulans. 



Pileus white ('. variabilis. 



Pileus gray ('. byssised 



Claudopus nidulans Pers. (Plate VIII, 1 



Pileus sessile or rarely narrowed behind into a short, stem-like 

 base, often imbricated, suborbicular, dimidiate or reniform, 

 tomentose, somewhat strigose-hairy or squamulose-hairy toward 

 the margin, yellow or buff color, the margin at first involute. 



Lamellae rather broad, moderately close, orange-yellow. 



