. Flowers and their pedigrees [microform]. Flowers; Flowers; Fleurs; Fleurs. The Origin of Wheat. 145 tage which the lilies thus gain is obvious enough. Their bright petals, usually larger and more attrac- tive than those of the alismas, allure a sufficient number of insects to enable them to dispense with the numerous stamens and ovaries of their primitive ancestors. Moreover, this diminution in number is accompanied by an increase in effectiveness and [thus the are ms: iree tond Ined ^an-. FiG. 33.—Flower of White Lily and section of ovary. specialisation : for the lilies have only three sen
. Flowers and their pedigrees [microform]. Flowers; Flowers; Fleurs; Fleurs. The Origin of Wheat. 145 tage which the lilies thus gain is obvious enough. Their bright petals, usually larger and more attrac- tive than those of the alismas, allure a sufficient number of insects to enable them to dispense with the numerous stamens and ovaries of their primitive ancestors. Moreover, this diminution in number is accompanied by an increase in effectiveness and [thus the are ms: iree tond Ined ^an-. FiG. 33.—Flower of White Lily and section of ovary. specialisation : for the lilies have only three sensitive surfaces to their pistil, combined on a single stalk: and the honey is usually so placed at its base that the insect cannot fail to brush off pollen at every visit against all three surfaces at once. Again, while the number of ovaries has been lessened, the number of seeds in each has been generally increased, which also. 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 Allen, Grant, 1848-1899. London : Longmans, Green
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectflowers, bookyear1883
