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A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.

A variety of edible seaweed (Laurencia pinnatifida) distinguished for its pungency. [Scot.] Lindley.

A description of seaweeds.

The science of algæ, or seaweeds; algology.

Sedge; seaweed. [Obs. or Prov. Eng.]

Any seaweed with red spores.

Any coarse seaweed growing on sea-washed rocks, especially Fucus.

A large blackfish seaweed (Agarum Turneri), the frond of which is punctured with many little holes.

A kind of seaweed (Chorda Filum) having blackish cordlike fronds, often many feet long.

The green papery fronds of several seaweeds of the genus Ulva, sometimes used as food.

Any bryozoan which forms rounded or irregular patches of coral on stones, seaweeds, etc.

A small fish of the genus Liparis, having a ventral sucker. It lives among stones and seaweeds.

A kind of seaweed; tang; tangle. To their nests of sedge and sea tang. Longfellow.

A kind of blackish seaweed (Himanthalia lorea) found on the northern coasts of the Atlantic. It has a thonglike forking process rising from a top-shaped base.

A great blackish seaweed of the Southern Ocean, having a hollow and expanding stem and a pinnate frond, sometimes twenty feet long.

A green seaweed (Cladophora rupestris) growing in dense tufts.

Seaweed; esp., coarse seaweed. See Ware, and Sea girdles.

A species of seaweed. [Spelled also slowcawn.] See 3d Laver.

A coarse blackish seaweed (Fuscus nodosus). Dr. Prior. Tang sparrow (Zoöl.), the rock pipit. [Prov. Eng.]

Any large blackish seaweed, especially the Laminaria saccharina. See Kelp. Coral and sea fan and tangle, the blooms and the palms of the ocean. C. Kingsley.