moss

Any plant or species of the cryptogamic order Mus’ct; also a material composed of or derived from such a plant. m.-board, a kind of pasteboard for use in preparing surgical dre ings: it is made principally of peat-mo (Sphag’num). Ceylonm. See agar. club-m. See Lycopodium. Iceland. See Cetraria. Irish m. See Chondrus. muskeag m., peatm., miursh-growing mo es, chietly of the genus Sphagnum. They are considerably used in the preparation of mo -board and surgical dre ings.