Century Dictionary and Cyclopedia
- n. A Linnean genus of polyps, corresponding to the modern Sertulariidæ or Sertularida; the sea-firs, with small sessile lateral hydrothecæ, as S. pumila or S. abietina.
GNU Webster's 1913
- n. (Zoöl.) A genus of delicate branching hydroids having small sessile hydrothecæ along the sides of the branches.
- n. sessile hydroid that forms feathery colonies
“_Oldhamia antiqua_, -- a plant-like zoophyte, akin apparently to some of our recent sertularia, (See fig. 5, page 48.)”
“No more ancient organism than the _Oldhamia_ of the Lowest Irish Silurians, a plant-like zoophyte somewhat resembling our modern sertularia, has yet been detected by the geologist; though only a few months ago the researches of Mr. Salter in the ancient rocks of the Longmynd,”
“At its base, where the tide rarely falls, we find two varieties of _Lobularia digitata_, dead man's hand, the orange colored and the pale, with a species of sertularia; and the characteristic vegetable is the rough-stemmed tangle, or cuvy.”
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