File: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 (14761270321).jpg
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DescriptionPhycologia 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 (14761270321).jpg
Text Appearing Before Image: puu ccLxxn. Text Appearing After Image: W.H.H.aeletlith K..B.i;IC.ini; Ser. lluoDOSPERME^. Yam. Ceratniece. Plate CCLXXXI. GRIFFITHSIA BARBATA, j^. Gen. Char. Frond rose-red, filamentous; filaments jointed tliroughout,mostly dichotomous; ramuli single-tubed; dissepiments hyaline. Fruc-tification of two kinds, on distinct individuals: 1, tetrasjjores affixedto whorled involucral ramuli: 2, gelatinous receptacles (favellce),surrounded by an involucre, and containing a mass of minute angularspores. Griffithsia—so named by Agardh, in honour of Mrs. Grif-fiths of Torquay, the most distinguished of British Algologists. Griffithsia barbata; tilaments dichotomous, slender; articulationsshghtly pyriform, from five to eight times longer than broad, thosenear the apices of the branches emitting opposite or whorled, byssoid,dichotomous fibres (or ramuli) to ^vhich the tetraspores are attached;favellaj stalked. Griffithsia barbata, Ag. Syd. p. 145. Ag. Sp. Alg. vol. ii. p. 132. Harv.in Hook. Br. Fl. vol. ii. p. 338. Harv. Man. ed. 1.
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