98 FUNGUS-FLOEA. 



dark "bluisli-grey, covered with a wliite evanescent bloom ; 

 gills narrow behind, united by a collar behind and slightly 

 adnexed, distant, whitish ; stem 1 J-3 in. long, straight, 

 slender, equal, extreme base slightly thickened, glabrous, 

 blackish-blue. 



Agaricus (3Iycenci) atrocyanea, Batsch, f. 87 ; Cke., Hdbk., 

 p. 82 ; Cke., Illustr., pi. 236b. 



On the ground, on pine leaves, &c. 



Usually gregarious, sometimes clustered. Distinguished 

 from allied forms by the whitish gills and absence of milk 

 in the stem. 



Umbo obtuse, often deformed. 



Mycena pullata. Berk. & Cke. 



Smell slight, nitrous. Pileus ^— f in. across, flesh very 

 thin; campanulate, obtusely unibonate, coarsely striate to 

 the middle, dark brown, disc nearly black ; gills adnexed, 

 white, scarcely crowded, about 1 line broad ; stem about 

 3 in. long, about 1 line thick at the base, slightly thinner 

 upwards, coloured like the pileus, with whitish down at the 

 base, hollow, sometimes rooting ; spores elliptical, 6 X 3 /x. 



Agaricus (^Mycena) imllatus, Berk. & Cke., Grev., xi. p. 69 ; 

 Cke., Hdbk., p. 82 ; Cke., Illustr., pi. 237. 



On the ground among dead leaves. 



Stem 3 in. long, 1 line thick. Pileus f in. broad, at first 

 (lark brown with a tinge of purple, almost black, growing a 

 a little paler with age, sometimes with a glaucous bloom. 

 (Cooke.) 



Closely resembling M. leucogala, but distinguished by the 

 absence of milk in the stem ; this character also separates 

 the dark form of M. galopoda. M. atrocyanea differs in the 

 dark blue tinge of pileus and stem. 



Mycena leptocephala. Pers. 



Smell strong, alkaline. Solitary; entirely grey. Pileus 

 up to 1 in. across, flesh very thin, fragile, campanulate then 

 expanded, umbonate, coarsely striate, margin often wavy, 

 pruinose or slightly silky, opaque; gills emarginate, rather 

 broad, margin whitish ; stem up to 2 in. long, 1 line thick, 

 slightly striate, opaque, dry, equal. 



Agaricus leptocepJialus, Persoon, Icon, et Descr., t. ii. f. 4 ; 

 Cke., Illustr., pi. 187a; Cke., Hdbk., p. 83. 



