Phycologia britannica, or, A History of British sea-weeds, containing coloured figures, generic and specific characters, synonymes, and descriptions of all the species of algae inhabiting the shores of the British Islands . .V. I! K del rt nth- i Ser. ChlorospermejE. Fain. Oscillaloriece. Plate CCLI. A. OSCILLATORIA NIGRO-VIRIDIS, Gen. Char. Filaments lying in a mucous matrix, rigid, simple, vividlyoscillating. Tube continuous. Endochrome armulated with more orless close, parallel, transverse stria?. Oscillatoria (Vaucher),—from themotion observed in the filaments. Oscillatoria nii/ro
Phycologia britannica, or, A History of British sea-weeds, containing coloured figures, generic and specific characters, synonymes, and descriptions of all the species of algae inhabiting the shores of the British Islands . .V. I! K del rt nth- i Ser. ChlorospermejE. Fain. Oscillaloriece. Plate CCLI. A. OSCILLATORIA NIGRO-VIRIDIS, Gen. Char. Filaments lying in a mucous matrix, rigid, simple, vividlyoscillating. Tube continuous. Endochrome armulated with more orless close, parallel, transverse stria?. Oscillatoria (Vaucher),—from themotion observed in the filaments. Oscillatoria nii/ro-viridis; stratum of a very dark olive-green colour;filaments delicate, pale green, rigid, with obtuse, curved apices; striainconspicuous, distant about half a diameter of the filament; endo-chrome very slightly granulose. Hab. In a brackish ditch at Shirehampton near Bristol. Aug. 1847,G. E. K. Thoaites. Descr. Stratum thin, of a dark olive green, almost black colour, growing uponthe mud and subsequently floating in large masses. Filaments of a paledull green colour, with obtuse, distinctly curved, scarcely attenuated not conspicuous, distant from each other about half a diameter of thefilament. Endo
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Keywords: ., bookauthorharveywilliamhwilliam, bookcentury1800, bookdecade1840
