. Fossil plants : for students of botany and geology . Paleobotany. 482 CYCADOPHYTA [CH. and there would seem to be no reason for retaining both specific names. The petiole-bases are usually sub-rhomboidal in form and convex or flat, but in some stems more of each petiole is preserved and the surface is covered with broad imbricate scales (fig. 575) similar to some of the detached scales described under. Fig. 575. Bucldandia anomala. (British Museum, No. V. 3690; rather less than natural size.) the generic name Cycadolepis. Pith-casts occur both in connexion with the Buchlandia stems and as de
. Fossil plants : for students of botany and geology . Paleobotany. 482 CYCADOPHYTA [CH. and there would seem to be no reason for retaining both specific names. The petiole-bases are usually sub-rhomboidal in form and convex or flat, but in some stems more of each petiole is preserved and the surface is covered with broad imbricate scales (fig. 575) similar to some of the detached scales described under. Fig. 575. Bucldandia anomala. (British Museum, No. V. 3690; rather less than natural size.) the generic name Cycadolepis. Pith-casts occur both in connexion with the Buchlandia stems and as detached specimens. The leaf-bases often show an irregular zonation of smaller and larger rhomboidal areas. The pith-cast in the lower part of the specimen from the Wealden of Cuckfield in Sussex shown in fig. 575 is 5 X 3-5 cm. in 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
