LEUCOSPOR^E 145 
then turned over” (Massee). Frequent in sum . and aut. on 
decaying branches, twigs, wood, etc. 
P. hypnophilus ( Hypnum , a moss genus; philos, loving— 
from its usual habitat), “ Moss Pleurotus.” Plate X. 2. 
P. up to in., flat, very thin, resupinate, almost smooth. 
G. radiating from the point of attachment of the pileus, 
narrow, distant. “ Resembling Claudopus vaviabilis closely 
in size and general appearance, but the spores are white, 
and the gills do not change colour. Distinguished among 
the small white species of Pleurotus by the glabrous pileus ” 
(Massee). On moss and fallen leaves in aut. Frequent. 
OMPHALIA 
(Gr. omphalos —from the umbilicus) 
O . umbellifera ( umbella , an umbel; fevo , to bear—from the 
umbrella-like pileus), “ Little Umbrella.” Plate XLIV. 6. 
P. f in., convex, then almost flat; sometimes wavy or 
upturned; margin at first incurved and crenate ; somewhat 
striate when moist, even and more or less silky when dry; 
greyish-yellow, brownish, etc. G. decurrent, very distant, 
broad behind, almost triangular, whitish, or coloured like 
the pileus. S. J in., slender, base downy, imperfectly hollow, 
colour of pileus. Common in damp places, open fields, 
rotten wood, etc., except in win. The entire plant is pale 
yellow in the var. abiegna, which grows on decaying fir- 
wood. The var. viridis is entirely pale green. 
O . fibula ( fibula , a pin—from its shape). 
P. J in., membranaceous, margin drooping, then ex¬ 
panded, usually uinbilicate, finally quite infundibuliform; 
obscurely striated when moist, hygrophanous, glabrous, 
orange-yellow or brownish, or entirely white. G. deeply 
decurrent, distant, distinct, broad, whitish. S. i-i\ in., very 
slender, the colour of the pileus; stuffed at first, then 
hollow. Common in damp, mossy places and on burnt 
