. Morphology of angiosperms (Morphology of spermatophytes. Part II). Angiosperms; Plant morphology. Fig. 58.—Development of male gametophyte iu Aselepiae. A-B, A. Corwuti; C-E, A. tuberosa. A, section of young microsporangium showing archesporial cells; B, portion of the single layer of elongated, mother-cells; C\ later stage showing two mother-cells, the lower one dividing and showing 10 chromosomes, the gametophyte number; 7>, second division of mother-cell, by which the row of four microspores is formed; F, microspore showing tube nucleus (t) and generative nucleus {g). A, x 200 ; B-E, x
. Morphology of angiosperms (Morphology of spermatophytes. Part II). Angiosperms; Plant morphology. Fig. 58.—Development of male gametophyte iu Aselepiae. A-B, A. Corwuti; C-E, A. tuberosa. A, section of young microsporangium showing archesporial cells; B, portion of the single layer of elongated, mother-cells; C\ later stage showing two mother-cells, the lower one dividing and showing 10 chromosomes, the gametophyte number; 7>, second division of mother-cell, by which the row of four microspores is formed; F, microspore showing tube nucleus (t) and generative nucleus {g). A, x 200 ; B-E, x 800.—After Frye.« 127. 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 Coulter, John Merle, 1851-1928; Chamberlain, Charles Joseph, b. 1863. New York, D. Appleton
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Keywords: ., bookauthorcoulterj, bookcentury1900, bookdecade1900, bookyear1903
