MYCENA. 91 



lose, rooting, atout 1^ in. long, slender as a hair, very glabrous 

 (except the rooting base), shining, deep yellow ; pileiis mem- 

 branaceous, campanulate then convex, with a very minute 

 slightly fleshy umbo, 1—2 lines broad, striate, glabrous, 

 shining, vermilion-orange. Gills adnexed and rounded 

 behind, almost free, broad in proportion, ventricose, some- 

 what ovate, distant, alternate ones shorter, yellow, margin 

 white, or altogether white. (Fries.) 



Distinguished among the minute red species by the yellow 

 gills and the tough, rooting stem. 



Mycena tenella. Fr. 



Caespitose. Pileus up to J in. across, membranaceous, 

 campanulately convex, obtuse, sometimes expanding, pellucid, 

 margin slightly striate, white or with a pink tinge ; gills 

 uncinate, crowded, very thin and narrow, white then tinged 

 pink; stem about 1 in. long, very slender, glabrous, soft, 

 white, base downy. 



Agariciis (3Iycena) tenellus. Fries, Epicr., p. Ill ; Cke., 

 Illustr., pi. 190b; Cke., Hdbk., p. 86. 



On old trunks. 



Yery delicate and tender. Known from M. tenuis and 

 M. gypsea by the smaller size, very narrow, crowded, thin 

 gills, and very slightly striate pileus. 



Mycena speirea. Fr. 



Pileus 2-6 lines across, membranaceous, conico-convex 

 then plane, at length depressed in the centre, umbilicus 

 darker, brown, often ivith a small papillate umbo, remainder 

 greyish-white, variegated with brown lines, glabrous, some- 

 times pruinose ; gills at first adnate, then decurrent owing 

 to the depression of the pileus, distant, alternate ones shorter, 

 white ; stem about lJ-2 in. long, hollow, very tough, equal, 

 glabrous, shining, white, base brownish and with root-like 

 fibrils of mycelium. 



Agarieus speirea, Fries, Syst. Myc, i. p. 158 ; Cke., Hdbk., 

 p. 86; Cke., lUustr., pi. 190a. 



On mossy trunks. 



Densely gregarious; but not caespitose. 



Stem minutely fistulose, veiy tough, filiform, about 2 in. 

 long, equal, glabrous, shining, white, base brownish, with a 



