. Fossil plants : for students of botany and geology . Paleobotany. 374 FILICALES [CH. tree-ferns. The English example described by Carruthers* from Upper Greensand beds in Dorsetshire (now in the British Museum) shows only the external features. The sandstone cast. Fig. 278. A. LaccojHeris polypodioides,'Broiign. [From a specimen (39275) in the British Museum ; slightly reduced.] B. L. Muensteri. C. Dicksonia (petiole stele). D. Onychiopsis Mantelli (fertile segments). E. Hausmannia Sewardi Kicht. F. H. Kohbnanni Rioht. G. H. Protopteris Witteana, Schenk. (x, xylem; B, roots.) (B, after Schen
. Fossil plants : for students of botany and geology . Paleobotany. 374 FILICALES [CH. tree-ferns. The English example described by Carruthers* from Upper Greensand beds in Dorsetshire (now in the British Museum) shows only the external features. The sandstone cast. Fig. 278. A. LaccojHeris polypodioides,'Broiign. [From a specimen (39275) in the British Museum ; slightly reduced.] B. L. Muensteri. C. Dicksonia (petiole stele). D. Onychiopsis Mantelli (fertile segments). E. Hausmannia Sewardi Kicht. F. H. Kohbnanni Rioht. G. H. Protopteris Witteana, Schenk. (x, xylem; B, roots.) (B, after Schenk ; E, F, after Eichter.) 1 Carruthers (65) PI. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
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