. Studies in fossil botany . Paleobotany. 220 STUDIES IN FOSSIL BOTANY the specimens attains a thickness of about 2 cm.) is here perfectly continuous, but otherwise agrees closely. Fig. go.—Sigillaria spinulosa. Part of transverse section of stem, showing primary (x) and secondary () wood. The former consists partly of separate and partly of confluent bundles. X about 9. , with that of the former species. The leaf-traces arose, in this case also, at the outside of the primary wood,. Please note that these images are extracted from scanned page images that may have been digitally enhanced f


. Studies in fossil botany . Paleobotany. 220 STUDIES IN FOSSIL BOTANY the specimens attains a thickness of about 2 cm.) is here perfectly continuous, but otherwise agrees closely. Fig. go.—Sigillaria spinulosa. Part of transverse section of stem, showing primary (x) and secondary () wood. The former consists partly of separate and partly of confluent bundles. X about 9. , with that of the former species. The leaf-traces arose, in this case also, at the outside of the primary wood,. 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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