142 
HYMENOMYCETES 
the bright sulphury - yellow colour (sometimes crimson 
though), watery substance, and emarginate gills. 
H. calyptrseformis (calyptra, a hood—from the pointed 
hood-shaped pileus), an uncommon species, with the habit 
of H. conicus. May be at once known by the beautiful 
clear rose-coloured pileus and long white stem. Prob¬ 
ably of triennial appearance. The var. niveus is wholly 
white. 
H. psittacinus ( psittacus , the ringed green parrot—from the 
yellow or red and green colours), “ Parroquet.” Plate IX. 7. 
P. 1 in., campanulate, then expanded, more or less um- 
bonate; yellow or orange; covered at first with a green 
gluten. G. adnate, distant, thick, yellow, more or less 
shaded with green. S. 1-3 in., slender, equal, hollow; 
yellow below, green above. Common in pastures; easily 
known by the peculiar colour. 
Sub-genus 2. —CAMAROPHYLLUS 
(Gr. kameva , a vault; phullon , a leaf—from the arcuate gills) 
Hygrophorous pratensis (pvatum, a meadow). Plate IX. 11. 
Whole plant yellowish-tawny or buff. P. 1-3^ in., very 
fleshy at the disc, shape variable, moist in wet weather, but 
never viscid. F. white and firm. G. very decurrent, very 
distant, very broad (in the middle), veined. S. 1-2J in., 
stout, stuffed, polished. Common. Sometimes wholly white, 
in which condition it might be mistaken for H. virgineus. 
H. virgineus (from the pure white colour), “Virgin.” 
Plate XLVI. 12. 
Whole plant white. P. 1J-3 in., convex, soon plane, 
moist, downy when dry, fleshy in the centre. G. decurrent, 
distant, thick. S. 1J-2 in., attenuated below, firm, smooth, 
solid. Common in fields. Edible. Said to be delicious 
boiled. 
H. niveus (niveus, snow-white) is equally common. It 
