. Flower ecology. Plant ecology; Fertilization of plants. 31 Lychnis; nocturnal as in Saponaria ofiScinalis and Nic()tiana afBnis, etc. Carrion Flowers. Dull in color, yellow, brown, dis- agreeable urinary or carrion-like odor. Stapelia, Crataegus, Smilax herbacea. Deceptive Flowers. Insects (flies) attracted by false nectaries. (Parnassia). After having briefly considered the structure of insects it is now in order to take up the attractive features of flowers. I think no one can doubt that bright colors assist greatly in attracting in- sects. Not all insect pollinated flowers are of bright c


. Flower ecology. Plant ecology; Fertilization of plants. 31 Lychnis; nocturnal as in Saponaria ofiScinalis and Nic()tiana afBnis, etc. Carrion Flowers. Dull in color, yellow, brown, dis- agreeable urinary or carrion-like odor. Stapelia, Crataegus, Smilax herbacea. Deceptive Flowers. Insects (flies) attracted by false nectaries. (Parnassia). After having briefly considered the structure of insects it is now in order to take up the attractive features of flowers. I think no one can doubt that bright colors assist greatly in attracting in- sects. Not all insect pollinated flowers are of bright color. Many flowers that are pollinated at night are white, as in - Attraction of Fi^. 17. Nectaries. I. Buttercup (RanuTiculua acris) \ II. longitudinal section; III. Yellow Battle (Khinanthus); IV. Umbellifer (Anthriscus sylvestris); V. Monk's hood (Aconitum 9iapellu8); lit. three times enlarged; II. eight times enlarged; IV, six times enlarged; V. natural size. n. nectary; b. petal; t. nectar; f, Ic, ovary. (After Behrens.) Datura and Nicotiana. Some night pollinated flowers are pink and other colors, as in Phlox paniculata. Grant Allen says: "We can hardly resist the inference that the colored whorls represent an intensification of the natural tint in growing shoots and floral organs, slowly modi- fied by the selective action of the insect ; "Mueller, who has carefully noted flowers and their insect visitors, observed. 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