. Studies in fossil botany . Paleobotany. 144 STUDIES IN FOSSIL BOTANY identified, at least with great probability, with those. Fig. 58.—Lepidodendron brevifolium. Transverse section of stem. p, pith, almost wholly destroyed ; x, broad zone of primary wood ; px, protoxylem at periphery of primary wood ; x~, secondary wood ; ph, phloem ; br, small stele becoming detached to supply a branch ; fid, periderm ; , leaf-bases, showing bundle and parichnos. All the more internal cortex, which once intervened between stele and periderm, has perished, a 4J. S. Coll. 54. (G. T. G.) preserved as impres
. Studies in fossil botany . Paleobotany. 144 STUDIES IN FOSSIL BOTANY identified, at least with great probability, with those. Fig. 58.—Lepidodendron brevifolium. Transverse section of stem. p, pith, almost wholly destroyed ; x, broad zone of primary wood ; px, protoxylem at periphery of primary wood ; x~, secondary wood ; ph, phloem ; br, small stele becoming detached to supply a branch ; fid, periderm ; , leaf-bases, showing bundle and parichnos. All the more internal cortex, which once intervened between stele and periderm, has perished, a 4J. S. Coll. 54. (G. T. G.) preserved as impressions or casts, in which the external characters are 1 See Carruthers, "Structure of the Stems of the Arborescent Lyco- podiaceae of the Coal-measures," Monthly Microscopical Journal, vol. ii. 1869. As, however, the identification is not absolutely certain, some authors prefer to use Binney's name, L. vasculare, rather than L. 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 Scott, Dukinfield Henry, 1854-1934. London, A. and C. Black
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