. Flower ecology. Plant ecology; Fertilization of plants. 93 cape since the hairs ail point in one direction. The flower is a trap and the insects are prisoners for one or more days. Some nourishment is found, but in the course of time the stamens mature and the anthers dehisce and a large amount of the pollen drops on the floor of the cavity. This food is. FIG. 38. Fig. 38. Bitrhwort (Ariatiilochia elematitis). I. Infloresance. II. Transverse section before poUiuation. III. After potUnation, s, throat, r, tube h, hairs, r, expansion of tube of calyx, u, stigma, a, anthers, b, ovary. (Aft- er


. Flower ecology. Plant ecology; Fertilization of plants. 93 cape since the hairs ail point in one direction. The flower is a trap and the insects are prisoners for one or more days. Some nourishment is found, but in the course of time the stamens mature and the anthers dehisce and a large amount of the pollen drops on the floor of the cavity. This food is. FIG. 38. Fig. 38. Bitrhwort (Ariatiilochia elematitis). I. Infloresance. II. Transverse section before poUiuation. III. After potUnation, s, throat, r, tube h, hairs, r, expansion of tube of calyx, u, stigma, a, anthers, b, ovary. (Aft- er Behrens.) welcomed by the insects but they soon become restless and in their endeavor to escape become dusted with pollen. The time has about arrived for the insects to be liberated. The hairs wither and now the insects can escape; at the same time the peduncle bends over so that the flowers drop. The prisoners escape, go to the younger flower, leave some pol- len on the stigma and when the stamens dehisce, after im- prispnraent, are liberated again. Elaeagnus angustifoUa. This beautiful Blaeaguaceae. European shrub is related to our north- western BuflFalo Berry (Elaeagnus Pursh.) It has. 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 Pammel, Louis Herman, 1862-1931. [n. p. ] Press of J. B. Hungerford


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfertili, bookyear1898