. Fossil plants : for students of botany and geology . Paleobotany. 538 CYCADOPHYTAN FEONDS [CH. edge of the pinna; in the more linear pinnae the veins may be parallel or nearly so. Zigno^ figured a piece of an Otozamites frond from Jurassic Itahan strata in connexion with a Williamsonia and the actual specimen in the Padua Museum amply justifies the impression produced by the published drawing. Wieland's investigations 2 in Mexico have brought to light many cases of association of Otozamites fronds and Williamsonia A B Fig. 603. A, Otozamites Ooeppertianus. B, Otozamites obtusus (=
. Fossil plants : for students of botany and geology . Paleobotany. 538 CYCADOPHYTAN FEONDS [CH. edge of the pinna; in the more linear pinnae the veins may be parallel or nearly so. Zigno^ figured a piece of an Otozamites frond from Jurassic Itahan strata in connexion with a Williamsonia and the actual specimen in the Padua Museum amply justifies the impression produced by the published drawing. Wieland's investigations 2 in Mexico have brought to light many cases of association of Otozamites fronds and Williamsonia A B Fig. 603. A, Otozamites Ooeppertianus. B, Otozamites obtusus (= 0. Bechei); type-specimen. (A, British Museum, V. 2360; B, Oxford Museum.) The structure of the epidermis is partially described by Schenk^ and more fully by Thomas*: the epidermal cells have sinuous 2 Wieland (13). 1 Zigno (85) PI. XLii. fig. 9. ' Schenk (67) A. PI. xxxiv. fig. 7. « Thomas and Bancroft (13) p. 186 PI. XIX. figs. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
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