. Fossil plants : for students of botany and geology . Paleobotany. Fig. 294. A, B. Nathorstia angustifol'ia, Heer. (After Heer. A, nat. size.) C, D. Sorus of N. latifolia, Nath. (After Nathorst. C,xl2; D, x45.) Nathorstia. This name was instituted by Heer" for pieces of pinnate fronds from Lower Cretaceous rocks of Greenland. The re- semblance of the long pinnules to the fertile segments of 1 Krasser (09) p. 21. 3 Ziguo (56) A. PI. XXV. 2 Leuthardt (04) Pis. xix. xx. ^ Baoiborski (94) A. PI. vi. '> Heer (80).. Please note that these images are extracted from scanned page images that m
. Fossil plants : for students of botany and geology . Paleobotany. Fig. 294. A, B. Nathorstia angustifol'ia, Heer. (After Heer. A, nat. size.) C, D. Sorus of N. latifolia, Nath. (After Nathorst. C,xl2; D, x45.) Nathorstia. This name was instituted by Heer" for pieces of pinnate fronds from Lower Cretaceous rocks of Greenland. The re- semblance of the long pinnules to the fertile segments of 1 Krasser (09) p. 21. 3 Ziguo (56) A. PI. XXV. 2 Leuthardt (04) Pis. xix. xx. ^ Baoiborski (94) A. PI. vi. '> Heer (80).. 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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Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1898
