. Elements of botany. Botany; Botany. STRUCTURE OF THE FLOWER AND ITS ORGANS. 149 all inserted on the receptacle, and the corolla and stamens are said to be hypogynous, that is, beneath-the-pistil. In- II the petals and the stamens appear as if they had grown fast to the calyx for some distance, so that they surround the pistil, and they are therefore said to be perigynous, that is, around-the-pistil. In III all the parts are free or uncon- PiG. 130. — Diadelphous Stamens of Sweet Pea. Fio. 129.—Mona- delphous stamens of A' ~B~ ' C Fig. 132.—Principal Types of Placenta. Aj parietal pl
. Elements of botany. Botany; Botany. STRUCTURE OF THE FLOWER AND ITS ORGANS. 149 all inserted on the receptacle, and the corolla and stamens are said to be hypogynous, that is, beneath-the-pistil. In- II the petals and the stamens appear as if they had grown fast to the calyx for some distance, so that they surround the pistil, and they are therefore said to be perigynous, that is, around-the-pistil. In III all the parts are free or uncon- PiG. 130. — Diadelphous Stamens of Sweet Pea. Fio. 129.—Mona- delphous stamens of A' ~B~ ' C Fig. 132.—Principal Types of Placenta. Aj parietal placenta; B, central placenta; C, free central placenta; A and S, trans- verse sections; C, longitxidinal 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896
