. The origin of floral structures : through insect and other agencies. Plants; Flowers; Flowers. 258 THE STRUCTURE OF FLOWERS. growing garden plants (6). The stamens are five or less in number, having spoon-shaped connectives, and not pointed as in the normal form, bearing very minute oval anther-cells at the base (c, g) * Small bundles of pollen-tubes may be traced from the anthers into the stigma (g). The pistil has a short curved style, and truncated stigma (d) concealed beneath the anthers which lie imbricated over the top of the pistil. The anthers are usually devoid of appendages, though
. The origin of floral structures : through insect and other agencies. Plants; Flowers; Flowers. 258 THE STRUCTURE OF FLOWERS. growing garden plants (6). The stamens are five or less in number, having spoon-shaped connectives, and not pointed as in the normal form, bearing very minute oval anther-cells at the base (c, g) * Small bundles of pollen-tubes may be traced from the anthers into the stigma (g). The pistil has a short curved style, and truncated stigma (d) concealed beneath the anthers which lie imbricated over the top of the pistil. The anthers are usually devoid of appendages, though they are sometimes present, like the spur; though. f e 9 Fig. 56.—Cleistogamous Violets. (For deBcription, see text.) both organs are now useless. As the ovary swells it raises the stamens up with it (e). The capsules of the violet, Mr. Darwin observes, bury themselves in the soil, if it be loose enough, and there ripen ; but they certainly are very, if not more frequently not buried at all, but only concealed beneath the foliage. As another interesting case of a plant showing transi- tional conditions may be mentioned Scrophularia arguta, " The two lowermost opposite and axillary branches bend backwards and penetrate the soil. The next pair do • (c) r. odorata; (g) V. cwnina. t Bull. 8oc. Bot. de Fr., iii., p. 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 Henslow, George, 1835-1925. New York : Appleton
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