. Text-book of botany, morphological and physiological. Botany. FIG. 192.—Longitudinal section through a bud of Ckara Jragiiis ; in A the contents of the cells have been left out; in B the fine-grained substance is protoplasm, the larger granules are chlorophyll; the formation of vacuoles is shown ; in C the contents of the cells have been contracted by iodine solution {x 500). leaves in the whorl meet with the cortical lobes that ascend from the whorl next below. The number of the latter is, however, smaller, because the leaf in the axil. FIG. 193.—Leaves of Chara fragilis; a terminal cell, b
. Text-book of botany, morphological and physiological. Botany. FIG. 192.—Longitudinal section through a bud of Ckara Jragiiis ; in A the contents of the cells have been left out; in B the fine-grained substance is protoplasm, the larger granules are chlorophyll; the formation of vacuoles is shown ; in C the contents of the cells have been contracted by iodine solution {x 500). leaves in the whorl meet with the cortical lobes that ascend from the whorl next below. The number of the latter is, however, smaller, because the leaf in the axil. FIG. 193.—Leaves of Chara fragilis; a terminal cell, b penultimate cell of a leaf; z internodal cell ; w cells of the leaf- node ; y" mother-cell of a leaflet and of its basal node : from it arise -v and u (the uniting cell), br the basal node which produces four simple cortical lobes and j8 the leaflet. A and C in longitudinal section, B an entire young leaf, external view, with the 'stipule' s and its descending cortical lobe sr; D external view of the middle part of an older leaf, though still young; E transverse section of a leaf-node, of the same age as D. of which the lateral branch arises does not form an ascending lobe. The cortical lobes are in close contact laterally, and form a closed envelope round the inter- 1 The first internode of every branch and leaf becomes covered with a cortex derived only from the descending cortical lobes of the next node 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
