. The essentials of botany. Botany. 172 BOTANY. known as tetraspores {A and B, t, t. Fig. 94). These ap- pear to replace the swarm-spores of other seaweeds, and may also be compared to the conidia of certain fungi; they are destitute of cilia, and are, as a consequence, not loco- motive. 308. The sexual organs consist of carpogones and an- therids. The latter are situated singly or in groups on the ends of branches {A and B, a, a, Fig. 95). The anthero- zoids are small round bodies which are destitute of cUia. Fig. 95.—Sexual reproduction of Red Seaweeds. A (Lejolisia): a, an- therid; x\ anthe
. The essentials of botany. Botany. 172 BOTANY. known as tetraspores {A and B, t, t. Fig. 94). These ap- pear to replace the swarm-spores of other seaweeds, and may also be compared to the conidia of certain fungi; they are destitute of cilia, and are, as a consequence, not loco- motive. 308. The sexual organs consist of carpogones and an- therids. The latter are situated singly or in groups on the ends of branches {A and B, a, a, Fig. 95). The anthero- zoids are small round bodies which are destitute of cUia. Fig. 95.—Sexual reproduction of Red Seaweeds. A (Lejolisia): a, an- therid; x\ antherozoids; /), carpogone, with anthevozoids attached to the trichogyne; s, section of ripe spore-fruit, from which a spore (fruit-spore) IS escaping. B (Nemalion): a, antherid, and antherozoids: b, carnoeone 13 and IB, development of spore-fruit. Magnified 150 times. *• e . {A, X, Fig. 95), and are carried about by currents of water, and in this way brought to the carpogones. 309. The carpogones are somewhat variable as to their complexity, being much more simple in the lower orders than in the higher. In some cases (Nemalion) the carpo-. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : Holt
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896
