. Fossil plants : for students of botany and geology . Paleobotany. CHAPTER XXIV. Ophioglossales (Fossil). The fossils hitherto classed with the Ophioglossales are not such as afford any satisfactory evidence in regard to the past history or phylogeny of the group. In the generalised class of Palaeozoic ferns, the Botryopterideae, we find certain characters suggesting comparison with recent members of the Ophioglos-. FiG. 301. Rhacopteris ep., Ballycastle, Ireland. From a specimen in the Manchester Museum. [] saceae, but no trustworthy records of these eusporangiate ferns are furnished by
. Fossil plants : for students of botany and geology . Paleobotany. CHAPTER XXIV. Ophioglossales (Fossil). The fossils hitherto classed with the Ophioglossales are not such as afford any satisfactory evidence in regard to the past history or phylogeny of the group. In the generalised class of Palaeozoic ferns, the Botryopterideae, we find certain characters suggesting comparison with recent members of the Ophioglos-. FiG. 301. Rhacopteris ep., Ballycastle, Ireland. From a specimen in the Manchester Museum. [] saceae, but no trustworthy records of these eusporangiate ferns are furnished by the older plant-bearing strata. The genus Rhacopteris (fig. 301), characteristic of the Culm flora, has been compared with Botrychium, but on grounds which. 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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