. The different forms of flowers on plants of the same species. Plants; Fertilization of plants; Heterostylism. Chap. I. PRIMULA YERIS. 27 Returning to Table 7, if we consider only the good capsules, those from the two legitimate unions were to those from the two illegitimate in number as 71 to 31, or as 100 to 44. Again, if we take an equal number of <iapsules, whether good or bad, from the legitimately and illegitimately fertilised flowers, we find that the former contained seeds by weight compared with the latter as 50 to 24, or as 100 to 48; but if all the Fig. 2. Legitimate union. Comp
. The different forms of flowers on plants of the same species. Plants; Fertilization of plants; Heterostylism. Chap. I. PRIMULA YERIS. 27 Returning to Table 7, if we consider only the good capsules, those from the two legitimate unions were to those from the two illegitimate in number as 71 to 31, or as 100 to 44. Again, if we take an equal number of <iapsules, whether good or bad, from the legitimately and illegitimately fertilised flowers, we find that the former contained seeds by weight compared with the latter as 50 to 24, or as 100 to 48; but if all the Fig. 2. Legitimate union. Complete fertility. illegitimate union. Incomplete \ Illegitimate I union. I Incomplete fertility. Long-styled form. Short-etyled form. poor capsules are rejected, of which many were pro- duced by the illegitimately fertilised flowers, the propor- tion is 54 to 35, or as 100 to 65. In this and all other cases, the relative fertility of the two kinds of union can, I think, be judged of more truly by the average number of seeds per capsule than by the proportion of iiowers which yield capsules. The two methods might. 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 and company
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