. The essentials of botany. Botany. Fig. 56.—A^ beginning of the sexual reproduction of a Pond Scum (Spirogyra longata): a, beginning of the formation of lateral tubes; 6, c, the tubes in con- tact i?, the protoplasm passing from one cell to the other at a; 6, the mass of protoplasm formed by the union of the protoplasmic contents of the two cells. C. two young resting^ spores (c), each with a cell-wall. They contain numerous oil-drops, and are still enclosed by the walls of the parent-cell. Magnified 550 times. spontaneously into several parts of a considerable length, and the parts floating
. The essentials of botany. Botany. Fig. 56.—A^ beginning of the sexual reproduction of a Pond Scum (Spirogyra longata): a, beginning of the formation of lateral tubes; 6, c, the tubes in con- tact i?, the protoplasm passing from one cell to the other at a; 6, the mass of protoplasm formed by the union of the protoplasmic contents of the two cells. C. two young resting^ spores (c), each with a cell-wall. They contain numerous oil-drops, and are still enclosed by the walls of the parent-cell. Magnified 550 times. spontaneously into several parts of a considerable length, and the parts floating away give rise to new filaments. The separation takes place^by the cells first rounding off slightly at the ends, so that their union is weakened at. 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, bookdecade1880, booksubjectbotany, bookyear1884
