. Text-book of botany, morphological and physiological. Botany. MUSCI. 369 iridium Lyelli and obtusifolium ; in 0. phyllanthum tufts of club-shaped protonemal filaments with short cells arise at the apex of the leaves; and the same phenomenon occurs in Grimmia trichophylla, Syrrhopodon, and Calymperes. In Oncophorus glaucus a dense felt of interlacing protonema-filaments is formed at the summit of the plant where the reproductive organs are produced, which arrests its further growth, and hence produces at a later period new clumps of young plants. In Buxbaumia, especially B. aphylla, the margi
. Text-book of botany, morphological and physiological. Botany. MUSCI. 369 iridium Lyelli and obtusifolium ; in 0. phyllanthum tufts of club-shaped protonemal filaments with short cells arise at the apex of the leaves; and the same phenomenon occurs in Grimmia trichophylla, Syrrhopodon, and Calymperes. In Oncophorus glaucus a dense felt of interlacing protonema-filaments is formed at the summit of the plant where the reproductive organs are produced, which arrests its further growth, and hence produces at a later period new clumps of young plants. In Buxbaumia, especially B. aphylla, the marginal cells of the leaves form a pro- tonema enveloping them as wrell as the stem with its filaments. Lastly, even. FlG. 251.—Tetraphispellucida; A a plant producing gem- mae {natural size); B the same, magnified ; y the cup in which the gemmae are collected ; C longitudinal section through the summit of the plant, b the leaves of the cup, K Xhe. gemmse in various stages of development; the older ones are forced off their stalks by the later growth of the younger ones, and forced over the side of the cup ; D a mature gemma (X 500), consisting at the margin of one, in the centre of several layers of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sachs, Julius, 1832-1897; Vines, Sydney Howard, 1849-1934. ed. and tr. Oxford, Clarendon press
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1882
