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A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed.

id, resembling, and possibly identical with, furfurol, and obtained from fucus, and other seaweeds.

An amorphous, gummy carbohydrate, found in Gelidium, agar-agar, and other seaweeds.

of glue obtained from fish skins and bladders; isinglass. -- Glue plant (Bot.), a fucoid seaweed (Gloiopeltis tenax). -- Liquid glue, a fluid preparation of glue and acetic acid oralcohol. -- Marine glue, a solution of caoutchouc in naphtha, with shellac, used in shipbuilding.

brina ferruginosa. -- Green iron ore (Min.) dufrenite. -- Green laver (Bot.), an edible seaweed (Ulva latissima); -- called also green sloke. -- Green lead ore (Min.), pyromorphite. -- Green linnet (Zoöl.), the greenfinch. -- Green looper (Zoöl.), the cankerworm. -- Green marble (Min.), serpentine. -- Green mine…

A coarse, blackish seaweed. See Badderlocks.

A conical or branching body, by which a seaweed is attached to its support, and differing from a root in that it is not specially absorbent of moisture.

forming jelly in ornamental shapes. -- Jelly plant (Bot.), Australian name of an edible seaweed (Eucheuma speciosum), from which an excellent jelly is made. J. Smith. -- Jelly powder, an explosive, composed of nitroglycerin and collodion cotton; -- so called from its resemblance to calf's-foot jelly.…

The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine.

A genus of great seaweeds with long and broad fronds; kelp, or devil's apron. The fronds commonly grow in clusters, and are sometimes from thirty to fifty feet in length. See Illust. of Kelp.

Pertaining to seaweeds of the genus Laminaria, or to that zone of the sea (from two to ten fathoms in depth) where the seaweeds of this genus grow.

Hare, and Lamb. -- Lettuce opium. See Lactucarium. -- Sea lettuce, certain papery green seaweeds of the genus Ulva.

The Hawaiian name for seaweeds. Over sixty kinds are used as food, and have species names, as Limu Lipoa, Limu palawai, etc.

g thick spiral shells, abundant between tides on nearly all rocky seacoasts. They feed on seaweeds. The common periwinkle is a well-known example. See Periwinkle.

as no scales. The ventral fins unite and form a ventral sucker for adhesion to stones and seaweeds. Called also lumpsucker, cock-paddle, sea owl.

An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels.

Having powers of self-motion, though unconscious; as, the motile spores of certain seaweeds.

A seaweed. See Baddrelocks.

A genus of gigantic seaweeds.

Any large seaweed of the genus Laminaria; tangle; kelp. See Kelp.