. Botany for high schools and colleges. Botany. Fig. 309.—Embryos of AViv/m cepa. L, verv yoHn^ stage ; c, b. cells of suspensor ; a, the single cell constituting the embryo : x. nn nnfertilizi'd germ cell IX., an older stage, the embryo now two-relief!, , the wall of the embryo sac. III., a still later Much ma'.-nified.—After Sachs, its last cell becomes transformed by successive fissions into a several-celled surface (7.,Fig. 310) ; by a continuation of the process a many-celled solid body is formed (77., Fig. 310); partitions then arise in the cells parallel to the surface, and the exter


. Botany for high schools and colleges. Botany. Fig. 309.—Embryos of AViv/m cepa. L, verv yoHn^ stage ; c, b. cells of suspensor ; a, the single cell constituting the embryo : x. nn nnfertilizi'd germ cell IX., an older stage, the embryo now two-relief!, , the wall of the embryo sac. III., a still later Much ma'.-nified.—After Sachs, its last cell becomes transformed by successive fissions into a several-celled surface (7.,Fig. 310) ; by a continuation of the process a many-celled solid body is formed (77., Fig. 310); partitions then arise in the cells parallel to the surface, and the external layer of daughter-cells thus formed constitutes the dermatogen or primary epidermis (777., Fig. 310),. 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 : H. Holt


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885