. The geological history of plants. Paleobotany; 1888. THE FLORi OF THE EARLY MESOZOIO. 177 As we ascend, however, in the Mesozoic, we find new and higher types. Even within the Jurassic epoch, the next in succession to the Trias, there are clear indica- tions of the presence of the endogens, in species allied to. Fig. 64.—Jurassic vegetation. Cyeads and pines. (After Saporta.) the screw-pines and grasses; and the palms appear a little later, while a few exogenous trees have left their remains in the Lower Cretaceous, and in the Middle and Upper Cretaceous these higher plants come in abund- an


. The geological history of plants. Paleobotany; 1888. THE FLORi OF THE EARLY MESOZOIO. 177 As we ascend, however, in the Mesozoic, we find new and higher types. Even within the Jurassic epoch, the next in succession to the Trias, there are clear indica- tions of the presence of the endogens, in species allied to. Fig. 64.—Jurassic vegetation. Cyeads and pines. (After Saporta.) the screw-pines and grasses; and the palms appear a little later, while a few exogenous trees have left their remains in the Lower Cretaceous, and in the Middle and Upper Cretaceous these higher plants come in abund- antly and in generic forms still extant, so that the dawn of the modern flora belongs to the Middle and Upper 17. 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 Dawson, John William, Sir, 1820-1899. New York, D. Appleton and Company


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