116 FUNGUS-FLOEA. 



Small, fragile, inodorous, juiceless, not caespilose. Stem 

 fistulose, 1-2 in. long, not exceeding 1 line thick, equal,, 

 often curved and ascending, even, glabrous, livid becoming 

 pale. Pileus membranaceous, campanulate, obtnse, 1 in. across, 

 glabrous, hygropbanous, gre}', livid-reddisli or brownish- 

 purple, j^ale when dry. Gills adnate, with a decurrent tooth,, 

 distant, distinct, not ventricose, whitish then grey, margin 

 purple-brown, not evidently toothed. Differs from M. san~ 

 guinolenta in size and in the juiceless stem. Allied ta 

 M. metata, which differs in growing on the ground,, 

 pileus silky- atomate when dry, margin of gills not dis- 

 coloured. (Fries.) 



Var. fusco-purpureuSj Lasch; Linn., 1829, no. 544; Cke.,, 

 Hdbk., p. 76. 



Purple-browm ; stem finely striate, with a rooting downy 

 base ; gills eroded, edged with brown. 



On willow trunks. 



Mycena olivaceo-marginata. Mass. 



Pileus about ^ in. high and across, flesh very thin, cam- 

 panulate, striate up to the disc, honey-colour with a tawny 

 tinge, rather darker wdien dry ; gills adnexed with a very 

 .slight decurrent tooth, rather distant, nearly 1 line bi'oad,. 

 sslightly connected by veins, pallid, edge brownish-olive, 

 wholly greyish w^hen dry ; stem 1t>-2 in. long, very slender, 

 «M|ual, smooth, shining, naked, dry, paler or similar in colour 

 to the pileus, tinged rufjus below% base wdth a little white 

 down ; spores broadly elliptical, 6 x 4—5 /ul. 



Agaricus (Mycena^ oUvaceo-marginatus, Massee, in Cooke's. 

 Ildbk., p. 369 ; Cke., lUustr., pi. 959a. 



Among short grass. 



Scattered or gregarious. Readily known by the honey- 

 coloured pileus and stem ; the olive-coloured margin of the^ 

 gills shows best w^hen the fungus is fresh. 



Mycena aurantio-marginata. Fr. 



Pileus l-lj in. across, disc rather fleshy, campanulate 

 tlien convex, obtusely or indistinctly umbonate, even, 

 glabrous, brownish-olive, paler when old, margin straight, 

 slightly striate when moist; gills narrowed behind and 

 adnexed, very much ventricose, and at first sight appearing 



