164 
HYMENOMYCETES 
Section V.—FILIPEDES 
M. vitilis ( vitilis , plaited—from the deeply striated pileus). 
P. ^ in., membranaceous, papillate, deeply striate when 
moist, brownish, becoming pale. G. adnate, rather distant, 
greyish-white. 5 . 3-6 in., long, very slender, equal, shining, 
juiceless, rooting. A frequent autumnal species amongst 
leaves in damp places. The deeply striated pileus and the 
very long weak stem are the chief points of distinction. 
The beautiful little M. iris (Gr. iris, the rainbow—from its 
tints) belongs to this section. P. J-§ in., bluish, then 
brownish. G. almost free, tinged grey. S. 1J-3 in., slender; 
brownish above, blue below. Tufted or scattered on rotting 
fir-stumps. Uncommon. 
Section VI.—FRAGILIPEDES 
M. alealina (from its alkaline smell). 
P. in., deeply striate when moist, shining when dry; 
colour variable, pallid, yellowish, green, etc. Disc darker. 
G. adnate, rather distant, white, then greyish. G. 2-3 in., 
slender, equal, pale or yellow, shining, slightly viscid; base 
downy. Common throughout sum. and aut. in tufts on 
trunks and stumps or heaps of dead leaves. Smell strong, 
nitrous. 
M. ammoniaca (from its ammoniacal stem) has exactly the 
same smell, but is terrestrial; occurring amongst grass. The 
pileus is slightly striate and umbonate; the stem is never 
tinged yellow. 
Section VII,—RIGIDIPEDES 
M. galericulata (galericulum, a little cap—from the shape 
of the pileus). Plate XLVI. 1. 
P. f-2 in., umbonate, dry, striate up to the umbo; colour 
variable; brownish, greyish, or pallid. G. adnate, whitish 
at first, then tinged with pink. S. 2-4 in., equal, rigid, pale, 
tapering to the rooting downy base. Common on trunks 
