. Fossil plants : for students of botany and geology . Paleobotany. XXVIl] GLOSSOPTERIS 499 Glossopteris Browniana, Brongniart^ Figs. 334—36. The specific name Browniana is now applied to obtusely pointed leaves which sometimes reach a length of 15 cm., but are usually rather shorter. In form and venation they closely resemble the leaves of the recent genus Antrophyum and species of Acrostichum. The comparatively broad midrib may. Fig. 334. Glossopteris Browniana, Brongn. A. Nat. size : Bx,^. be replaced in its proximal portion by several parallel veins: from it are given off numerous lateral
. Fossil plants : for students of botany and geology . Paleobotany. XXVIl] GLOSSOPTERIS 499 Glossopteris Browniana, Brongniart^ Figs. 334—36. The specific name Browniana is now applied to obtusely pointed leaves which sometimes reach a length of 15 cm., but are usually rather shorter. In form and venation they closely resemble the leaves of the recent genus Antrophyum and species of Acrostichum. The comparatively broad midrib may. Fig. 334. Glossopteris Browniana, Brongn. A. Nat. size : Bx,^. be replaced in its proximal portion by several parallel veins: from it are given off numerous lateral veins which form a reticulum characterised by meshes approximately equal in size and elongated in a direction parallel to the general course of the secondary veins (fig. 334). The drawings, originally published by Zeiller^, reproduced in fig. 335 illustrate the venation and its range of variation ; 1 For synonymy, see Arber (05) p. 48. ^ Zeiller (96) 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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