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A fungus of the genus Agaricus, of many species, of which the common mushroom is an example.

A genus of poisonous fungi of the family Agaricaceæ, characterized by having a volva, an annulus, and white spores. The species resemble edible mushrooms, and are frequently mistaken for them. Amanita muscaria, syn. Agaricus muscarius, is the fly amanita, or fly agaric; and A. phalloides is the death cup.…

An edible species of mushroom (Agaricus campestris). Fairy ring champignon, the Marasmius oreades, which has a strong flavor but is edible.

on the fly. Black fly, Cheese fly, Dragon fly, etc. See under Black, Cheese, etc. -- Fly agaric (Bot.), a mushroom (Agaricus muscarius), having a narcotic juice which, in sufficient quantities, is poisonous. -- Fly block (Naut.), a pulley whose position shifts to suit the working of the tackle with which it is connec…

A poisonous mushroom (Amanita muscaria, syn. Agaricus muscarius), having usually a bright red or yellowish cap covered with irregular white spots. It has a distinct volva at the base, generally an upper ring on the stalk, and white spores. Called also fly agaric, deadly amanita.

A kind of catchfly of the genus Silene; also, a poisonous mushroom (Agaricus muscarius); fly agaric.

r a series of cells, in which the milky juice is contained. See Latex. -- Rock milk. See Agaric mineral, under Agaric. -- Sugar of milk. The sugar characteristic of milk; a hard white crystalline slightly sweet substance obtained by evaporation of the whey of milk. It is used in pellets and powder as a vehicle for ho…

A piece of tinder made of agaric, used in firing the powder hose or train of a mine.

A solid crystalline substance, C5H13NO2, found in the toadstool (Agaricus muscarius), and in putrid fish. It is a typical ptomaine, and a violent poison.

An edible fungus (Agaricus campestris), having a white stalk which bears a convex or oven flattish expanded portion called the pileus. This is whitish and silky or somewhat scaly above, and bears on the under side radiating gills which are at first flesh-colored, but gradually become brown. The plant grows in rich past…

A fungus (Polyporus fomentarius, etc.) sometimes dried for tinder; agaric.

light powdery variety of calcite occuring as an efflorescence. -- Rock milk. (Min.) See Agaric mineral, under Agaric. -- Rock moss, a kind of lichen; the cudbear. See Cudbear. -- Rock oil. See Petroleum. -- Rock parrakeet (Zoöl.), a small Australian parrakeet (Euphema petrophila), which nests in holes among the ro…

ge. See Glass-sponge. -- Yellow sponge, a common and valuable commercial sponge (Spongia agaricina, variety corlosia) found in Florida and the West Indies.

A name given to many umbrella-shaped fungi, mostly of the genus Agaricus. The species are almost numberless. They grow on decaying organic matter.