392 FUNGUS-FLORA. 



arched ; stem up to 1 in. long, about ^ line thick, equal or 

 thickened upwards, grey or brown, polished. 



Agaricus (Onvphalia) rusticus. Fries, Epicr., p. 126 ; Gke., 

 Hdbk., p. 95. 



On the ground. 



Somewhat resembling 0. umhellifera, but distingi^ished by 

 the giUs being narrowed behind.' 



On sterile heaths and damp uncultivated places. Stem 

 stuffed, short, J in. long, rarely more, ^ line thick, equal or 

 slightly incrassated upwards and also often hollow, polished 

 glabrous, brown then grey, base rather downy ; pileus mem- 

 branaceous, disc always truly and broadly umbilicate, the 

 rest distinctly arched, up to ^ in. across, striate when moist, 

 brown then grey, even when dry ; in some forms glabrous 

 and becoming brownish, in others somewhat silky and hoarj' ; 

 in the first form, which appears to be the young stage, the 

 gills are adnate and brownish, slightly, and in the second 

 form deeply decurrent, rather distant in both, arcuate, 

 broadest in the middle. Quite distinct from 0. umhellifera. 

 (Fries.) 



*** UmbelUferi. 



Omphalia hepatica. Batsch. 



Pileus J-1 in. across, almost membranaceous, tough, rigid, 

 convex and umbilicate, then infundibuli,form, even, glabrous, 

 rufous flesh-colour, yellowish-tan and somewhat shining 

 when dry ; gills decurrent, distant, narrow, forked, rather 

 thick, pallid; stem about 1 in. long, 1 line thick, very 

 tough and often compressed, brownish flesh-colour, hollow. 



Agaricus {Omphalia') hepaticus, Cke., Hdbk., p. 96 ; Gke., 

 niustr., pi. 2o0b. 



On lawns, by road sides, &c. 



Tery much resembling 0. pyxidata, but differing in being 

 rather coriaceous, even margin of pileus, and absence of 

 reddish tinge in the gills. 



Very tough, flexible, stem hollow, very tough, about 1 in. 

 long and 1 line thick, equal but dilated into the pileus at 

 the apex, brownish flesh-colour, commonly naked, rarely 

 with white meal. Pileus coriaceo-membranaceous, convex 

 and umbilicate then infundibuliform, sometimes undulately 



