. Studies in fossil botany . Paleobotany. 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,. Fig. 91.—Sigillaria spinulosa. Part of wood, more highly magnified, showing separate primary strands (jr) and secondary wood (jr3). X about 18. Figs. 90 and 91 from photographs by Mr. R. Kidston, passed through the secondary zone, and then
. Studies in fossil botany . Paleobotany. 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,. Fig. 91.—Sigillaria spinulosa. Part of wood, more highly magnified, showing separate primary strands (jr) and secondary wood (jr3). X about 18. Figs. 90 and 91 from photographs by Mr. R. Kidston, passed through the secondary zone, and then took a nearly vertical course through the inner cortex, 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 Scott, Dukinfield Henry, 1854-1934. London, A. and C. Black
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