NATURAL HISTORY SURVEY 77 



On decaying trunks of Populus, woods, Glencoe. Autumn. 

 The fresh plant has a strong, unpleasant odor. According to 

 Prof. Morgan, this is the same as Panus dorsalis Bosc. 



Pileus 2.5 to 10 cm. broad, projecting 2.5 to 7.5 cm.; spores 

 elliptical, slightly curved, 6 to 7.5 x 3 to 4 /A. 



Claudopus variabilis Fr. 



Pileus white, slightly fleshy, resupinate then reflexed, ev^n, 

 tomentose, sessile or with a very short stem. 



Lamellae broad, radiating from a lateral or eccentric point, 

 white then pink. 



Pileus 8 to 16 mm. broad; spores even, ellipsoid, rusty-pink, 

 6 x 3 p. 



On dead leaves, twigs and grasses, Lombard. Lamellae at 

 first white, at length rusty-pink. Spores oblong or elliptic- 

 oblong, often curved. 



Claudopus byssisedus Pers. 



Pileus gray, becoming pale when dry, slightly fleshy, at length 

 horizontal, reniform, plane, even, villous; flesh of the same color, 

 thin. 



Lamellae adnate-decurrent, ventricose, rather broad, whitish- 

 cinereous then rubiginous with the spores. 



Stem incurved, villous, attenuated upwards, zoned at the base 

 with white cottony fibrils. 



On the ground in a shaded clay bank, Glen Ellyn. August. 

 Among moss on a rotten stump, Riverside. July. Spores rosy 

 flesh-color, irregularly angled with an apiculus at one end, 10 x 7 

 to 8 /x. 



PHOLIOTA, 



Lamellae not separating readily from the hymanophore; ring 

 continuous (not arachnoid). Spores ferruginous, ochraceous- 

 ferruginous or fuscus-ferruginous. The genus passes into Flam- 

 mula without distinct limits. 



Pileus not hygrophanous 1 



Pileus hygrophanous P. marginata. 



1. Pileus dry 2 



1. Pileus viscid 3 



2. Pileus smooth, stem white P. praecox. 



2. Pileus innate-flocculose, stem light-yellow. ... P. curvipes. 



3. Pileus yellow, stem scaly P. adiposa. 



3. Pileus tawny, stem fibrillose P. comosa. 



Pholiota marginata Batsch. 



Pileus honey-colored when moist, tan when dry, hygrophanous, 

 slightly fleshy, convex then expanded, obtuse, even, smooth, 

 margin striate. 



Lamellae adnate, crowded, thin, narrow, at first pallid then 

 darker cinnamon. 



