. Fossil plants : for students of botany and geology . Paleobotany. XLIl] PSYGMOPHYLLTTM 83 of the sheathing nature -of the leaf-bases described, by Arber, but it was on this example that I noticed the anastomosing of the veins (fig. 666, A—C), a character not hitherto recorded in the genus'^. The lamina is torn and it is difficult to determine the degree of original lobing. Dr Arber believes that such specimens as that reproduced in fig. 666 are portions of a herbaceous plant. Fig. 666. Psygmophyllum fiahellatum. A—C, anastomosing veins. (From a specimen in the Sunderland Museum; \ nat. size.
. Fossil plants : for students of botany and geology . Paleobotany. XLIl] PSYGMOPHYLLTTM 83 of the sheathing nature -of the leaf-bases described, by Arber, but it was on this example that I noticed the anastomosing of the veins (fig. 666, A—C), a character not hitherto recorded in the genus'^. The lamina is torn and it is difficult to determine the degree of original lobing. Dr Arber believes that such specimens as that reproduced in fig. 666 are portions of a herbaceous plant. Fig. 666. Psygmophyllum fiahellatum. A—C, anastomosing veins. (From a specimen in the Sunderland Museum; \ nat. size.) M. S. and quite distinct from Ginkgo. While agreeing with the latter statement I do not regard the shoot-nature as definitely de- monstrated, though that is the interpretation usually accepted and not improbably correct. The habit appears to be identical 1 A good specimen in the Manchester Museum also shows anastomosing veins. 6—2. 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
Size: 1585px × 1577px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1898
