the petals. The self-fertilisation which, in small flowers such as these, would otherwise naturally occur, is provided against by the fact that the flowers are generally pro- terandrous, the stamens ripening before the pistil, and the latter not being mature until the former have shed their pollen… … FIG. 84.— Flcwer of the Wild Chervil in FIG. 85.— Ditto, in the second (female) the first (male) state. state. two still immature (a), while the stigmas have not yet made their appearance : in Fig. 85 is represented the same flower in a more advanced condition, the stamens having fallen off, and…
Flowers -- Color · Fertilization of plants by insects · Plants -- Variation
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