. The geological history of plants. Paleobotany; 1888. 200 THE GEOLOGICAL HISTORY OF PLANTS. of forms of these plants of a Tery striking character. It is further to be obserred that some of the genera have many species in the Cre- taceous and dwindle to- ward the modem. In others the reverse is the case—they have expand- ed in modern times. In a number there seems to have been little change. Dr. Newberry has given, in the "Bulletin of the Torrey Botanical Club," an interesting resume of the history of the beautiful lArio- dendron, or tulip-tree, which may be taken as an example of a
. The geological history of plants. Paleobotany; 1888. 200 THE GEOLOGICAL HISTORY OF PLANTS. of forms of these plants of a Tery striking character. It is further to be obserred that some of the genera have many species in the Cre- taceous and dwindle to- ward the modem. In others the reverse is the case—they have expand- ed in modern times. In a number there seems to have been little change. Dr. Newberry has given, in the "Bulletin of the Torrey Botanical Club," an interesting resume of the history of the beautiful lArio- dendron, or tulip-tree, which may be taken as an example of a genus which has gone down in importance in the course of its geological history. "The genus Lirio- dendron, as all botan- ists know, is represent- ed in the present flora by a single species, ' the tulip-tree,' which is con- fined to eastern Amer- ica, but grows over all the area lying between the Lakes and the Gulf, the Mississippi and the Atlantic. It is a mag- nificent tree, on the. Fia. T3.—MagnoUa magmfica, Dawson, reduced. Upper Cretaceous, 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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