. The British Charophyta. Characeae. 24 BRITISH CHAEOPHYTA. The stem-node consists in the first place of a single disc-shaped or biconcave cell, which is capable of division to an indefinite extent. The peripheral cells resulting from the division give rise to certain lateral outgrowths which will be dealt with in turn. The. Fia. 5.—Axial section of shoot of Chara (after Sachs). A. Apical cell of main axis. n. Central cells of stem-node. i. Internodal cells of main axis. s. Stipulodes. c. Cortex of stem. bk. Branchlets : a, apical cell; n, central cells of node ; i, internodal cells; c, cortic

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. The British Charophyta. Characeae. 24 BRITISH CHAEOPHYTA. The stem-node consists in the first place of a single disc-shaped or biconcave cell, which is capable of division to an indefinite extent. The peripheral cells resulting from the division give rise to certain lateral outgrowths which will be dealt with in turn. The. Fia. 5.—Axial section of shoot of Chara (after Sachs). A. Apical cell of main axis. n. Central cells of stem-node. i. Internodal cells of main axis. s. Stipulodes. c. Cortex of stem. bk. Branchlets : a, apical cell; n, central cells of node ; i, internodal cells; c, cortical cells; d, bract-cells. ? . Oogonia. S. Antheridia. B. Young branch; the parts of this are similar to those of the main axis. earlier stages of division, which are longitudinal in the direction of the axis of the stem, are shown in Fig. 4 (p. 23), the order in which the several cells originate being very similar to that of the pro- embryonic whorl-node already referred to.. 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 work.. Groves, James; Bullock-Webster, George Russell, 1858- joint author. London, The Ray society