The London Journal of Botany: Containing Figures and Descriptions of ... Plants ... Together with Botanical Notices and Information and ... Memoirs of Eminent Botanists, Volume 7 (Google eBook)

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H. Baillière, 1848 - Botany
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Page 505 - whilst these fossils have a globose and entire one. The fossil forms vary like, recent sporangia, in being smooth, bristly or furnished with spines, which in some are simple, and in others branched at the extremity. Sometimes too, a membrane may be traced, even more distinctly than in recent specimens, either covering the
Page 505 - Medals of Creation," without any misgiving, had adopted Ehrenberg's ideas concerning them, has changed his opinion, and in his last work regards them as having been reproductive bodies, although he is still uncertain whether they are of vegetable origin. Ehrenberg and his followers describe these bodies as fossil species of
Page 502 - tubercles, and then lengthening until they attain their perfect form and size; but complete separation frequently occurs before the whole process is completed. This singular process is repeated again and again, so that the older segments are united successively, as it were, with many generations.
Page 503 - When the cells approach maturity, molecular movements may be at times noticed in their contents, precisely similar to what has been described by Agardh and others, as occurring in the Conferva;. This movement has been aptly termed a swarming.
Page 142 - A Treatise on some of the Insects of New England which are injurious to vegetation, by TW Harris, MD
Page 502 - at length it assumes a granular state. At the same time the new segments increase in .size and obtain their normal figure; the covering in some species shows the presence of
Page 390 - to illustrate the Botany of the United States by figures, with full analyses of one or more species of each genus, accompanied by descriptive generic characters and critical observations." The figures are, in all cases,
Page 502 - the nature of the process in other families, and furnishes a valuable addition to our knowledge of their structure and physiology. The compressed and
Page 353 - larger, more sinuosely lobed, and with a much longer petiole. The leaves are four inches and a quarter long, by two inches and a half wide,
Page 217 - the flavour of Liquorice. After being pounded in a trough, this stuff is formed into cakes, which, when thoroughly baked, are stowed away in baskets for

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