. Fossil plants : for students of botany and geology . Paleobotany. 522 PTERIBOS PERMS, ETC. [CH. Blanckenhorn^ from the Bunter beds of Commem. The pinnate leaves reach a length of 65 cm.; the lower semicircular pinnules pass gradually into broadly linear segments characterised by an auriculate base and a Neuropteris type of venation (fig. 354, D', E). In the example reproduced in fig. 349 firom one of. Fig. 349. Neuropteridium J iiat. size.) intermedium (Sohimp.). (After Blanckenhorn. Blanckenhorn's figures, the fronds are attached to a short and thick rhizome bearing roots and portions of ol


. Fossil plants : for students of botany and geology . Paleobotany. 522 PTERIBOS PERMS, ETC. [CH. Blanckenhorn^ from the Bunter beds of Commem. The pinnate leaves reach a length of 65 cm.; the lower semicircular pinnules pass gradually into broadly linear segments characterised by an auriculate base and a Neuropteris type of venation (fig. 354, D', E). In the example reproduced in fig. 349 firom one of. Fig. 349. Neuropteridium J iiat. size.) intermedium (Sohimp.). (After Blanckenhorn. Blanckenhorn's figures, the fronds are attached to a short and thick rhizome bearing roots and portions of old petioles. An example of another Triassic species is afforded by Neuro- pteridium grandifolium Schimp. and Moug., which agrees very closely with N. validiim in the size and shape of the pinnules. ' Blanckenhorn (85) p. 127, Pis. xvii. — 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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