. Fossil plants : for students of botany and geology . Paleobotany. 212 LYCOPODIALES [CH. surface of the vascular strand. This leaf occurs in association with a petrified stem of Sigillaria scutellata^. Renault^ has shown that the leaf-traces of Sigillaria spinulosa (= S. Brardi) are accompanied in the outer cortical. -9 Fio. 200. A. Sigillaria Brardi [ = S. elegans Brongn. (39)]. Transverse section of stem. B. Sigillaria Brardi [ = S. spinulosa, Kenault and Grand'Eury (75)]: c', outer cortex ; x, x^, xylem. (After Eenault and Grand'Eury.) C. S. Brardi, primary xylem element. (A and C after Br
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. Fossil plants : for students of botany and geology . Paleobotany. 212 LYCOPODIALES [CH. surface of the vascular strand. This leaf occurs in association with a petrified stem of Sigillaria scutellata^. Renault^ has shown that the leaf-traces of Sigillaria spinulosa (= S. Brardi) are accompanied in the outer cortical. -9 Fio. 200. A. Sigillaria Brardi [ = S. elegans Brongn. (39)]. Transverse section of stem. B. Sigillaria Brardi [ = S. spinulosa, Kenault and Grand'Eury (75)]: c', outer cortex ; x, x^, xylem. (After Eenault and Grand'Eury.) C. S. Brardi, primary xylem element. (A and C after Brongniart.) D. Leaf of Sigillaria Brardi : g, g, stomatal grooves; ep, piece of epidermis of stem. (After Renault.) E. Sigillaria Brardi. Tangential section of leaf-bases: p, parich- nos. (After Renault.) F. G, H. Sigillaria leaf-scars and cushions. (After Weiss.) region of the stem by a fairly large amount of secondary xylem ; in sections of the free lamina which he figures the secondary elements are much less obvious and represented by a few tracheae only. Similarly, in the leaf-base of S. Brardi Kidston (OT^). " Renault (96) A. PI. xxxvii. fig. 3.. 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 work.. Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press