American Palæobotany 1


THESE two volumes form the second instalment, under the editorship and to some extent the authorship of Mr. Lester Ward, of a detailed report on the Mesozoic floras of the United States, the first part of which appeared in the twentieth annual report of the U.S. Geological Survey published in 1900. The second paper deals with Triassic, Jurassic, and Lower Cretaceous floras, and includes observations on the stratigraphical relations of the plant-bearing strata.


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SEWARD, A. American Palæobotany 1 . Nature 74, 81–82 (1906).

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