. Fossil plants : for students of botany and geology . Paleobotany. B Fig. 50. Marchantites Sezannensis Sap. A. Surface Tiew of the thallus; g, ?oups with gemmae. B. A male branch. C. A portion of A magnified to show the surface features. (After Saporta.) depression. In one of Saporta's figures (reproduced in fig. 50 A) there are represented some median scars which may mark the position of cups similar to those which occur on recent species of Marchantia, and in which gemmae or bulbils are produced. The collection of Sezanne fossils in the Sorbonne includes some very beautiful casts of Marchan
. Fossil plants : for students of botany and geology . Paleobotany. B Fig. 50. Marchantites Sezannensis Sap. A. Surface Tiew of the thallus; g, ?oups with gemmae. B. A male branch. C. A portion of A magnified to show the surface features. (After Saporta.) depression. In one of Saporta's figures (reproduced in fig. 50 A) there are represented some median scars which may mark the position of cups similar to those which occur on recent species of Marchantia, and in which gemmae or bulbils are produced. The collection of Sezanne fossils in the Sorbonne includes some very beautiful casts of Marchantites in which the structural details are preserved much more perfectly than in the examples described by Saporta. In a few specimens which Prof Munier-Chalmas recently showed me the reproductive. branches were exceedingly well shown. The fossils occur as moulds in the travertine, and the museum specimens are in the form of plaster-casts taken from the natural moulds. Several species of Liverworts belonging to the Marchantiales and Jungermanniales have been recorded from the amber of North Germany, of Oligocene age. These appear to be repre- sented by small fragments, such as are figured by Goppert and. 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
