The different forms of flowers on plants of the same species. Charles DARWIN.

The different forms of flowers on plants of the same species.

New York: D. Appleton, 1877. 8vo. [i], viii, 352 pp., 10 pages publisher's advertisements. FIRST AMERICAN EDITION, ONLY ISSUE. With 15 wood-engraved figures in the text. With a list of Darwin's works facing the title-page and 10 pages of publisher's advertisements at the end. Original publisher's red cloth, minor tear at the head of the spine. Item #4943

First American edition, the sole issue, published within six months of the first English edition of 9 July 1877, of Darwin's important work on the adaptation of plants. In these investigations, Darwin crosses a "long styled" individual with another long styled flower to produce a comparatively infertile primrose, illustrating a degree of sterility within the limits of a single species comparable to that produced in the crossing of distinct species. Darwin's work on heterostyled plants bears on one of the most difficult points in the statement of the case for evolution, the sterility of interspecific crosses and of hybrids. Darwin writes that the time involved in this research gave him more pleasure than almost any other.

Price: $450.00

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