Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . iththe base of the calyx (as inthe Cherry, Fig. 388, orPurslane, Fig. 389), they aresaid to be perigynous (liter-ally, placed around the pis-til). The real origin of theparts must be the same as inthe former case, that is, theparts really belong to the re-ceptacle, in successive circles,one above or within the other,first the sepals, then the pet-als, within these the stamens,and within or above thesethe pistils ; but t
Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . iththe base of the calyx (as inthe Cherry, Fig. 388, orPurslane, Fig. 389), they aresaid to be perigynous (liter-ally, placed around the pis-til). The real origin of theparts must be the same as inthe former case, that is, theparts really belong to the re-ceptacle, in successive circles,one above or within the other,first the sepals, then the pet-als, within these the stamens,and within or above thesethe pistils ; but the true originor position of some of the parts is here obscured by the adnation, attheir base at least, of parts which are normally separate. In , the petals and stamens are adnate to the lower part of thecalyx, but all are free from the pistil. But in Fig. 389, all fourorgans are consolidated below, as far as to the middle of theovary. FIG. 3S3. Vertical section of a flower of the Cherry, to show the perigynous insertion ofthe petals and stamens. FIG 3S9. Similar section of the flower of the Purslane, showing an adnation of parts withthe lower part of the 252 THE FLOWER.
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Keywords: ., bookauthorgra, bookcentury1800, bookdecade1860, booksubjectbotany
