. Botany for high schools and colleges. Botany. Pig. 308.âPosterior part of the em- bryo sac of Yida tricolor, e, its wall; s, cavity of the sac; K, K, young endo. Bperm-cells which have formed in the protoplaem, pr. Highly magnified.â After Fig. 309.âEinbryos of Alliwn c&pa. I., very yonng Ptflge ; c, h. cells of STiepensor ; â a, the single cell constituting the emhryo : tc. fln unfertilized germ cell //., an older stage, the emi)ryo now two-celled , es, the wall of the embryo sac. ///., a still later stage. Much mairnified.âAfter Sachs. its last cell becomes transformed by succe
. Botany for high schools and colleges. Botany. Pig. 308.âPosterior part of the em- bryo sac of Yida tricolor, e, its wall; s, cavity of the sac; K, K, young endo. Bperm-cells which have formed in the protoplaem, pr. Highly magnified.â After Fig. 309.âEinbryos of Alliwn c&pa. I., very yonng Ptflge ; c, h. cells of STiepensor ; â a, the single cell constituting the emhryo : tc. fln unfertilized germ cell //., an older stage, the emi)ryo now two-celled , es, the wall of the embryo sac. ///., a still later stage. Much mairnified.âAfter Sachs. its last cell becomes transformed by successive fissions into a several-celled surface (/..Fig. 310) ; by a continuation of the process a many-celled solid body is formed///.. 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 epiderniis (///., 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, bookyear1888
