. The elements of botany for beginners and for schools. Botany. ponding structure; except that, owing to the great air-spaces of the interior, the fabric may be likened rather to a stack of chimneys than to a solid fabric. In young and partly transparent parts one may discern the cel- lular structure by looking down directly on the surface, as of a form- ing root. (Fig. 82, 441, 442). 402. The substance of which cell-walls are mainly composed is called Cellulose. It is essentially the same in the stem of a delicate leaf or petal and in the wo6(i of an Oak, except that in the latter the walls a
. The elements of botany for beginners and for schools. Botany. ponding structure; except that, owing to the great air-spaces of the interior, the fabric may be likened rather to a stack of chimneys than to a solid fabric. In young and partly transparent parts one may discern the cel- lular structure by looking down directly on the surface, as of a form- ing root. (Fig. 82, 441, 442). 402. The substance of which cell-walls are mainly composed is called Cellulose. It is essentially the same in the stem of a delicate leaf or petal and in the wo6(i of an Oak, except that in the latter the walls are Fig. 438. Diagram of a vegetable cell, such as it would be if when spherical it were equally pressed by similar surrounding cells in a heap. Fig. 439. Ideal construction of cellular tissue so formed, in section. Fio. 440. Magnified view of a portion of a transverse slice of stem of Calla Lily The great spaces are tubular air-channels built up by the 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 Gray, Asa, 1810-1888. New York American Book Co
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Keywords: ., bookpublishernewyorkamericanboo, booksubjectbotany, bookyear1887
