. Botany, with agricultural applications. Botany. SEED COAT 469 phytic tissue in the seeds of Angiosperms comparable to that in the seeds of Gymnosperms. The endosperm in the seeds of Gymnosperms is simply the portion of the gametophyte that. Fig. 414. — The life cycle of Angiosperms illustrated by the life cycle of Red Clover. At the left in the line above, a branch of Red Clover with heads of flowers (X j); next, a vertical section through a flower, showing the ' floral structures; at the right, a section of an anther, a pollen grain, and a pollen grain with tube and male gametophyte develop
. Botany, with agricultural applications. Botany. SEED COAT 469 phytic tissue in the seeds of Angiosperms comparable to that in the seeds of Gymnosperms. The endosperm in the seeds of Gymnosperms is simply the portion of the gametophyte that. Fig. 414. — The life cycle of Angiosperms illustrated by the life cycle of Red Clover. At the left in the line above, a branch of Red Clover with heads of flowers (X j); next, a vertical section through a flower, showing the ' floral structures; at the right, a section of an anther, a pollen grain, and a pollen grain with tube and male gametophyte developed. At the left in the line below, an ovule with female gametophyte mature and pollen tubes en- tering through the micropyle; next, embryo and endosperm forming; next, seed mature from the embryo of which the new plant at the right develops. remains, but in Angiosperms the endosperm develops after the gametophyte is formed and from a nucleus formed by the fusion of three other nuclei, one of which came from the male gameto- 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 Martin, John N. (John Nathan), b. 1875. New York, John Wiley & sons, inc. ; [etc. ,etc. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1920
