. Fossil plants : for students of botany and geology . Paleobotany. CHAPTER XVIr. UNDERGROUND RHIZOMES AND ROOTS OF PALAEOZOIC LYCOPODIACEOUS PLANTS. Stigmaria. Stigmaria ficoides is the name given to cylindrical casts met with in Palaeozoic rocks, from the Devonian' to the Permian2, characterised by a smooth or irregularly wrinkled surface bearing. Fio. 204. Stigmaria ficoides Brongn. (See Vol. i. p. 73.) spirally disposed circular scars bounded by a raised rim and containing a small central pit. It is not uncommon to find evidence of a partial collapse of the substance of the plant as 1
. Fossil plants : for students of botany and geology . Paleobotany. CHAPTER XVIr. UNDERGROUND RHIZOMES AND ROOTS OF PALAEOZOIC LYCOPODIACEOUS PLANTS. Stigmaria. Stigmaria ficoides is the name given to cylindrical casts met with in Palaeozoic rocks, from the Devonian' to the Permian2, characterised by a smooth or irregularly wrinkled surface bearing. Fio. 204. Stigmaria ficoides Brongn. (See Vol. i. p. 73.) spirally disposed circular scars bounded by a raised rim and containing a small central pit. It is not uncommon to find evidence of a partial collapse of the substance of the plant as 1 Potonie (Ol^). 2 Goeppert (64) 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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