. Fossil plants : for students of botany and geology . Paleobotany. XVIll] BOTHRODENDRON 259 have only one small pit, but this may not be an original feature. The identification of this plant as Bothrodendron receives support from the discovery of rather more satisfactory specimens at Witteberg sent to me for examination by Dr Schwarzi. These fossils bear a striking resemblance to B. kiltorkense. Gydostigma australe^ Feist, described from the Lower Carboniferous rocks of New South Wales, though too imperfectly preserved to refer with confidence to B. kiltor- kense, is no doubt a closely allied
. Fossil plants : for students of botany and geology . Paleobotany. XVIll] BOTHRODENDRON 259 have only one small pit, but this may not be an original feature. The identification of this plant as Bothrodendron receives support from the discovery of rather more satisfactory specimens at Witteberg sent to me for examination by Dr Schwarzi. These fossils bear a striking resemblance to B. kiltorkense. Gydostigma australe^ Feist, described from the Lower Carboniferous rocks of New South Wales, though too imperfectly preserved to refer with confidence to B. kiltor- kense, is no doubt a closely allied type. It. A c'. Fig. 215. Bothrodendron mundum (Will.). A, B. From a specimen (No. 26) in the Cambridge Botany School. C. British Museum, Williamson Collection. (No. 416 b.) D, E. From a section in Dr Kidston's Collection. Reference was made in Volume I. (p. 133) to the so-called paper coal of Carboniferous age from Central Russia, which con- sists of masses of thin strips of cuticle of Bothrodendron stems. The figures published by Zeiller-" show that the plant possessed an epidermis consisting of polygonal cells interrupted by spirally disposed gaps marking the position of leaves; the gaps measure 0"5—1"5 mm. in breadth and agree, therefore, with the size of 1 Seward (09). = Feistmantel (90) A. -^ Zeiller (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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