The book Mutants And Hybrids of the Oenotheras was written by author Daniel Trembly Macdougal Here you can read free online of Mutants And Hybrids of the Oenotheras book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Mutants And Hybrids of the Oenotheras a good or bad book?
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08 ± 0. 30 mm. ; C. V. , 13. 60 ± 0. 81 per cent. O. Rubrinervis : R. , 63 to 142 mm. ; M. , 97. 99 ± 0. 34 mm. ; o-, 12. 87 ± 0. 24 mm. ; C. V. , 12. 62 ± 0. 24 per cent . lamarckiana is noticeably thicker than that of 0. Rubrinervis. So- called qualitative differences are usually compounds of several meas- urable characters, any one of which is a wholly unsatisfactory measure of the quality, while only one, two, or several at most of these measurable characters can be dealt with mathe- matica...lly at a time. Leaf- form is a character of this kind. Not only is the relation of length to breadth important, but the relative posi- tion of the widest part of the leaf, the angles of apex and base, and indeed the curvature of the mar- gin at every point from petiole to apex, enter as essential features of leaf- form, and no tangible mathe- matical expression can be devised to represent it. Confining ourselves to a single measurable character, such as leaf length or breadth, there is still another difficulty which must be met.
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