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 . and to the habitats given;—for the figure, and the whole VOI,. [II, T description, belong to C. pannosa, or at least to the Roundstoneplant so named. I am indebted to my friend Mr. Thwaites,for suggesting that our plant (C. lamellata, MS.) might be theC. semiplena of Agardh, and, though I have seen no authenticspecimen, I have little doubt that this is so. At least, the spe
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 . and to the habitats given;—for the figure, and the whole VOI,. [II, T description, belong to C. pannosa, or at least to the Roundstoneplant so named. I am indebted to my friend Mr. Thwaites,for suggesting that our plant (C. lamellata, MS.) might be theC. semiplena of Agardh, and, though I have seen no authenticspecimen, I have little doubt that this is so. At least, the spe-cimen in my copy of Areschougs Algas Scandinavicae, whichis quoted by Kiitzing under his Leiblcinia semiplena, seemsidentical with our Irish specimens here figured, but is less luxu-riant. The species would appear to have a wide range, both inthe warmer and colder seas of Europe. Specimens from Cher-bourg, communicated by M. Lenormand, doubtfully Ag., are very similar to those from the oppositeshores of England. Fig. 1. Calotiikix semiplena, a mass of laminated tufts :—the natural Filaments from the same :—magnified. 3. Portions of filaments :—morehighly magnified. FU&
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Keywords: ., bookauthorharveywilliamhwilliam, bookcentury1800, bookdecade1840
