. The different forms of flowers on plants of the same species. Plants; Fertilization of plants. Chap. III. LINUM PBEENNE. «7 e;cpanded than that of L. grandiflorum, and the stigmas of the long-styled form do not diverge greatly from one another; nor do the stamens of either form. Hence insects, especially rather small ones, will not insert their proboscides between the stigmas of the long-styled form, nor between the anthers of either form (Fig. 5), but will strike against them, at nearly Fig. Long-styled form of L. peeenne, var. Austriamm, in its early condi- tion before the stigmas hav
. The different forms of flowers on plants of the same species. Plants; Fertilization of plants. Chap. III. LINUM PBEENNE. «7 e;cpanded than that of L. grandiflorum, and the stigmas of the long-styled form do not diverge greatly from one another; nor do the stamens of either form. Hence insects, especially rather small ones, will not insert their proboscides between the stigmas of the long-styled form, nor between the anthers of either form (Fig. 5), but will strike against them, at nearly Fig. Long-styled form of L. peeenne, var. Austriamm, in its early condi- tion before the stigmas have rotated. The petals and calyz have been removed on the near side.* right angles, with the backs of their head or thorax. Now, in the long-styled flowers, if each stigma did not rotate on its axis, insects in visiting them would strike their heads against the backs of the stigmas; as -it is, they strike against that surface which is covered with papillae, with their heads already charged with * I neglected to get drawings made from fresh flowers of the two forms. But Mr. Fitch"'has^made the »b<}Ve 'sketeh -of a long-styled flower fromi dried specifiiens and from published engriavibgs. His well-known_skill ensures accuracy in the prgpprtional size of the parts. â â -â â ⢠- â¢", â. 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 Darwin, Charles, 1809-1882. New York, D. Appleton
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1903
