History of British animals - University of Guam Marine Laboratory

Thuiaeia. ZOOPHYTA. SERTULARIAD^. 515forming a shoulder on the upper side vesicles ;ovate, with a narrow hase, anda contracted subtubular orifice.176. D. Evansii.— Branches opposite;cells opposite,short.Sol. Ellis, Zooph. 59.— Found at Yarmouth, by Mr Evans.Height 2 inches ; very slender; of a bright yellow colour; vesicles" arisefrom opposite branches, which proceed from the creeping adhering tube, lobated,and the lobes are placed opposite to one another."177. D. pinnata.— Branches dusky, bifarious, alternate; cellsopposite, tubular, and slightly diverging.Bast. op. 1. 1. i. f. 6 Sertularia pin. Pall. El. 136—S. fuscescens, Turt.Brit. Fauna, 213 On oyster-beds, common.Height 2 or 3 inches ;stems arising from irregular tubular roots ;branchesrather stiff"; cells narrow, where adhering to the stem ; summit free, tubular,but less divergent than in S. rosacea. According to Pallas, the cells incline toone side (a character I have failed to observe), and from which side the inverselyconical vesicles, with their tubular ciliated summits, take their rise.178. D. nigra.— Stem ascending, black, pinnated, compressed; cells opposite, minute.Pall. El. 135.Jameson, Wem. Mem. 565—Rare.Height 4 inches ; branches rounded, linear, depressed, slender at the base ;cells subtubular, minute ; vesicles on one side of the—stem, subquadrangular.This species is stated by Pallas as occurring at Cornwall ; and, according toProfessor Jameson, it has been found on the Aberdeenshire coast, by that illustriousbotanist Robert Brown, Esq.Gen. LXV. THUIARIA.—Cells thin, and imbedded in thesubstance of the stem and branches.179. T. Thuia.— Stem waved, branches dichotomously dividedcells ; adpressed, or imbedded in the sides of the branches.Planta marina equisiti facie, Sibb. Scot. 111. 55. t. xii. f. 1—Bottle-brushcoralline, Ellis, Cor. 10. t. v. f. 9—Sertularia thuia, Linn. Syst.i. 1308.Pall. El. 140. Lamour. Cor. Flex. 193 On oyster-beds, common.Height upwards of a foot ;stem with alternate branches, which, falling offon the lower part, give it a zig-zag appearance ; divisions of the branchesslightly tapering ; cells compressed, wide at the base, slightly tapering, short,with a small orifice ; vesicles ovate, on a narrow short stalk, with a roundedsummit, having a subtubular mouth.180. T. articulata.— Stem pinnated, with simple alternatebranches cells ;adpressed, subalternate.Sea Speenwort, Ellis, Cor. ii. t. vi—Sertularia art. Pall. El. 137—S. lonchitis,Sol. Ell. Zooph. 42.—S. lichenastrum, Lamour. Cor. Flex. 194.— On stones in deep water.Height 3 inches ;stem straight, erect, jointed at intervals ; branches stiff,a little depressed ; cells compressed, broad at the base, a little narrower towardsthe slightly truncated orifice ; vesicles on one side of the stem, ovate,subrugose.vol. i.Mm