. Devonian floras; a study of the origin of Cormophyta. Paleobotany -- Devonian. vj ARCHAEOPTERIS Pteropsida. 59 Archaeopteris, Dawson, 1871^ (Figs. 28-32). Fronds of large size, bipinnate with a stipiilar base, stipules in pairs, adnatc, and a ranicntum on the lower part of the petiole. Sterile pinnules typi- cally obo\'ate or ovatc-cuneate, entire ortoothed, with a flabellate. Fig. .31. Ardtaeoplerisfissilis, Schmalli., from tlic Upper Devonian of EUes- mereland. (Nat. size except fig. marked 9, which is x|.) After Nathorst (1904). 1 See Carruthers (1872); Kidston (1888); Nathorst (1902) and
. Devonian floras; a study of the origin of Cormophyta. Paleobotany -- Devonian. vj ARCHAEOPTERIS Pteropsida. 59 Archaeopteris, Dawson, 1871^ (Figs. 28-32). Fronds of large size, bipinnate with a stipiilar base, stipules in pairs, adnatc, and a ranicntum on the lower part of the petiole. Sterile pinnules typi- cally obo\'ate or ovatc-cuneate, entire ortoothed, with a flabellate. Fig. .31. Ardtaeoplerisfissilis, Schmalli., from tlic Upper Devonian of EUes- mereland. (Nat. size except fig. marked 9, which is x|.) After Nathorst (1904). 1 See Carruthers (1872); Kidston (1888); Nathorst (1902) and (1904); Wliitc (); Kidston (1906), p. ; .Johnson (1911-).. 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 Arber, E. A. Newell (Edward Alexander Newell), 1870-1918; Arber, Agnes Robertson, 1879-1960. Cambridge, The University Press
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishercambr, bookyear1921
