(ag-ar'-ik-us) \ayapCKov, of Diosco- rides, from Agaria, a former district of Po- land or Sarmatia, whence the Greeks de- rived the larch agaric]. A large genus of hymenomycetous fungi; mushrooms and toadstools. Cf. Polyporus amanita. A.
chirurgorum. See under Agaric. A. rubra, A. sanguinea, these species, indigenous to France, were formerly included under A.
rubra. They yield the alkaloid agarythrin, and the rose-red coloring-matter ruberin.
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