. Fossil plants : for students of botany and geology . Paleobotany. 340 CAEDIOCABPALES [CH. Bertrand^ from Cardiocarpus on the ground that the integumental bundles pursue a course hke that in Rhabdospermum; it is now referred to the new genus Cyclospermum^. Fig. 501. A, Cardiocarpus sclerotesiainlongitudinal section; pc, pollen-chamber, b, tent-pole, a, archegonia. B, transverse section; a, arohegonia. D, cast of the same or a similar type of seed. C, E, Rhabdospermum cydocaryon, longitudinal section and a diagrammatic sketch of the seed-base; to, mioro- pyle; b, tent-pole; u,, archegonium. (A
. Fossil plants : for students of botany and geology . Paleobotany. 340 CAEDIOCABPALES [CH. Bertrand^ from Cardiocarpus on the ground that the integumental bundles pursue a course hke that in Rhabdospermum; it is now referred to the new genus Cyclospermum^. Fig. 501. A, Cardiocarpus sclerotesiainlongitudinal section; pc, pollen-chamber, b, tent-pole, a, archegonia. B, transverse section; a, arohegonia. D, cast of the same or a similar type of seed. C, E, Rhabdospermum cydocaryon, longitudinal section and a diagrammatic sketch of the seed-base; to, mioro- pyle; b, tent-pole; u,, archegonium. (A, B, C, after Brongniart; D, after Renault and Zeiller; E, adapted from Brongniart.) Gen. nov. (= Cyclocarpus Bertrand). As stated on a previous page Bertrand^ re-estabhshes the generic name Cyclocarpus, founded on impressions without reference to anatomical characters, for two petrified seeds from St ^fitienne » Bertrand, C. E. (08). ^ This name has been used for a section of a genus of recent UmbeUiferae but not as a generic name (De CandoUe's 'Prodromus,' Pars IV. p. 105, 1830). 3 Bertrand (08=) p. 454; (08^) p. 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
