The colours of flowers [microform] : as illustrated in British flora (1882)
Allen, Grant, 1848-1899 · London : Macmillan · leaf 113
atural selection cause them to lose their petals, and become simply green. Vi In practice, however, it is often hard to distinguish between the casually entomophilous, the self-fertilised, and the really anemophilous species; and they are so intermixed that it may perhaps be best to consider them… … Fic. 31.—Hermaphrodite. male and female flowers of English ash (/7a.rinus excelsior); purplish—no petals. white flowers. But many large trees, owing, perhaps, to their long life, and consequent less necessity for producing many seeds, tend to lose their petals ; and this is remarkably the case…
Flowers · Color of flowers · Fleurs · Couleur des fleurs
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