. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. 320 DARWINISM Chile, where humming-birds are especially plentiful, we find great numbers of red tubular flowers, often of large size and apparently adapted to these little creatures. Such are the beautiful Lapageria and Philesia, the grand Pitcairneas, and the genera Fuchsia, Mitraria, Embothrium, Escallonia, Desfon- tainea, Eccreniocarpus, and many Gesneracea3. Among the most extraordinary modifications of flower structure adapted. Fig. 31.—Humming-bird fortilisiiic; Ma
. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. 320 DARWINISM Chile, where humming-birds are especially plentiful, we find great numbers of red tubular flowers, often of large size and apparently adapted to these little creatures. Such are the beautiful Lapageria and Philesia, the grand Pitcairneas, and the genera Fuchsia, Mitraria, Embothrium, Escallonia, Desfon- tainea, Eccreniocarpus, and many Gesneracea3. Among the most extraordinary modifications of flower structure adapted. Fig. 31.—Humming-bird fortilisiiic; Marcgravia nepenthoides. to bird fertilisation are the species of Marcgravia, in which the pedicels and bracts of the terminal portion of a pendent bunch of flowers have been modified into pitchers which secrete nectar and attract insects, while birds feeding on the nectar, or insects, have the pollen of the overhanging flowers dusted on their backs, and, carrying it to other flowers, thus cross- fertilise them (see Illustration). In Aiistralia and New Zealand the fine " glory peas" (Clianthus), the Sophora, Loranthus, many Epacridea". and Myrtacea?, and the large flowers of the New Zealand flax. 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 Wallace, Alfred Russel, 1823-1913. London : Macmillan
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Keywords: ., bookauthorwallacealfredrussel18, bookcentury1800, bookdecade1880
