. The geological history of plants [microform]. Paleobotany; Paléobotanique. 1; i! I |i i II 12G TUE GEOLOGICAL HISTORY OF PLANTS. of fossil ferns, in wliich the fructification is for the most part wanting, it is still more so, depending in great part on the form and venation of the divisions of the Fio. 51.—Group of coal-formation ferns, a, Odontopteris suhcuneata (Bnu- bury). B, Neuropteria cordata (Brongniart). c, Alethopteris lonc/dtica (Brongrniart). d, Dicti/opteris obiiqud I Hunhury), e, Phyllopteris an- tiqua (Dawson), magnified; e>, Natural size, f, H'europteris cyclopte-
. The geological history of plants [microform]. Paleobotany; Paléobotanique. 1; i! I |i i II 12G TUE GEOLOGICAL HISTORY OF PLANTS. of fossil ferns, in wliich the fructification is for the most part wanting, it is still more so, depending in great part on the form and venation of the divisions of the Fio. 51.—Group of coal-formation ferns, a, Odontopteris suhcuneata (Bnu- bury). B, Neuropteria cordata (Brongniart). c, Alethopteris lonc/dtica (Brongrniart). d, Dicti/opteris obiiqud I Hunhury), e, Phyllopteris an- tiqua (Dawson), magnified; e>, Natural size, f, H'europteris cyclopte- roidea (Dawson). Of about eight families into which modern ferns are divided, seven are found in a fossil state, and of these, four at least, the Ci/aihacew, the OpMoglossecB, the Hy-. 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, J. W. (John William), Sir, 1820-1899. New York : D. Appleton
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleobo, bookyear1888
