. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. EMBRYOLOGY OF DICOTYLEDONS 3^>9 in water, and gentle pressure applied by tapping the cover- glass. More advanced stages can be obtained in the same way from progressively older seeds. These show rather longer suspcnsors. Fig. 2i6.—Embryology of the Shepherd's Purse {Capsella bursa-pasloris). The successive stages are numbered I-IX. In VII and VIII only the embryo and a small part of the adjacent suspcnsor are shown, IX is a longitudinal section of a mature seed, showing the coiled embryo. b., basal cell; C
. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. EMBRYOLOGY OF DICOTYLEDONS 3^>9 in water, and gentle pressure applied by tapping the cover- glass. More advanced stages can be obtained in the same way from progressively older seeds. These show rather longer suspcnsors. Fig. 2i6.—Embryology of the Shepherd's Purse {Capsella bursa-pasloris). The successive stages are numbered I-IX. In VII and VIII only the embryo and a small part of the adjacent suspcnsor are shown, IX is a longitudinal section of a mature seed, showing the coiled embryo. b., basal cell; Co., cotyledons ; e., embryo ; p., plumule ; r., radicle ; S., suspcnsor. and an increasing number of divisions in tire enlarging embryonal cell (Fig. 216, IV-VI). The latter soon segments into octants, by three walls at right-angles to one another (III, IV), and sub- sequently dermatogen, periblem, and plerome are successively delimited by walls parallel to the surface (V, VI). Mean- 24. 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 Fritsch, Felix Eugene, 1879-; Salisbury, E. J. (Edward James), Sir, b. 1886. London, G. Bell and sons ltd.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpl, booksubjectplants
