182 Cryptogamia. 
young, is orbicular ; when full grown, the rim becomes 
waved and variously lobed ; and the gills are branched, 
curled, and run down part of the stem. 
Ag. Integer , Equal-gilled Agaric ; furnished with 
a stem ; all the gills of the same size. Not uncommon 
in woods. 
Ag. Piperatus, Pepper Agaric; with a foot- stalk ; 
pileus plain, lactescent, margin deflected, gills pale, 
flesh-coloured. Frequent in woods. This mushroom 
is of a very acrid nature, yet, after being pickled with 
salt, is eaten by the Russians. 
Ag. Campestris, Common Mushroom, or Champig- 
non; with a foot-stalk, white, convex, scaly pileus, 
and reddish gills. Common in dry pastures after 
rains. This is the only mushroom which may be eaten 
with safety ; and the juice, preserved with salt and 
spice, forms the sauce well known by the name of Ket- 
chup. The stalk of this mushroom is short, white, so- 
lid, and about the thickness of the finger ; the pileus, 
when young, is white, hemispherical, fleshy, and cover- 
ed with ragged scales ; the rim is inflected, and the gills 
are rose or pink- coloured, and nearly of equal length, 
Lycoperdon. 'Gen. char . — Fungus roundish, filled 
with mealy seeds. 
Lye. Tuber, Truffles, or Subterraneous Puff-balls; 
globular, solid, with sharp tubercles, and without root. 
Found in woods. This fungus is produced in clusters, 
three or four inches under ground. 
Lyc. JBovista , Common Puff-ball ; roundish, open- 
ing irregularly. Common in meadows and pastures in 
the autumn. This species varies much in size, figure, 
and colour. 
