OMPHALIA. 389 



Omphalia telmatiaea. Berk. & Cke. (figs. 10, 11, 

 p. 301.) V g . , 



Pileus 1-3 in. across, flesh thin, pliant ; depressed and 

 soon infundibuliform, margin broadly arched and drooping, 

 dark umher, hygrophanous, pale buff and silky when dry ; 

 gUls decurrent, rather crowded, thin, about 1 line broad, 

 pallid; stem 1-3 in. long, equal, polished, grey, white and 

 cottony at the base, hollow ; spores elliptical with an oblique 

 apiculus, 7 X 4 yu. 



AgaricMS (Omphalia) ielmatiaeus. Berk, and Cke., Hdbk., p. 

 93 ; Cke., lUustr., p^l. 240. 



Agaricus (Omphalia') affricatus, Berk, in Cke., Hdbk., ed. i., 

 no. 216 (not of Fries). 



Attached to Sphagnum in partly dried up swamps. 



Eeadily distinguished by the dark umber pileus when 

 moist, and the bluish-grey stem. The pileus is frequently 

 more or less waved at the drooping margin. The stem is 

 attached to the sphagnum by white cottony mycelium. 

 Gregarious. 



Omphilia Nevillae. Berk. 



Pileus -h an in. across, hemispherical, depressed in the 

 centre, rugose, minutely granulated at the disc, striate, 

 brown, pale towards the margin when dry ; gills arcuately 

 decurrent, white, interstices and sides veined and rugose; 

 stem 1 in. high, not a line thick, brownish, stuffed, white 

 within, rough with black granules, rather dilated at the 

 base and clothed with villous hairs. 



Agaricus (Omphalia^ Nevillae, Berk., Grev., i. p. 89 ; Cke., 

 Hdbk., p. 101, 



On Sphagnum in an orchid pot. 



Somewhat resembling 0. affricata, but not infundibuliform, 

 nor variegated with pilose scales, while the gills are white, 

 not cinereous. (Berk.) 



Probably an introduced species. 



Omphalia sphagnicola. Berk. 



Pileus about 1 in. across, flesh very thin ; umbilicate then 



deeply infundibuliform, faintly striate and minutely squa- 



mulose, dingy ochraceous ; gills decurrent, narrow,' rather 



distant, pale dingy ochraceous ; stem 1-2 in. long, up to 



