. Studies in fossil botany . Paleobotany. GENERAL RESULTSâSPHENOPSIDA 629 had specially favourable opportunities for the investiga- tion of Tmesipteris under natural conditions. He has. Fig *%â $âTmesipteris. A. Somewhat diagrammatic radial section of synangium and part of sporophyll, showing vascular bundle, v.!:, passing into sporangiophore from sporophyll ; on the right a fragment of one of the bundles of the forked sporophyll IS shown. , , ⢠t . .v. B Transverse section of synangium and sporophyll tn a plane lying between the sporangiophore and the stem. In the sporophyll three bundles ar
. Studies in fossil botany . Paleobotany. GENERAL RESULTSâSPHENOPSIDA 629 had specially favourable opportunities for the investiga- tion of Tmesipteris under natural conditions. He has. Fig *%â $âTmesipteris. A. Somewhat diagrammatic radial section of synangium and part of sporophyll, showing vascular bundle, v.!:, passing into sporangiophore from sporophyll ; on the right a fragment of one of the bundles of the forked sporophyll IS shown. , , ⢠t . .v. B Transverse section of synangium and sporophyll tn a plane lying between the sporangiophore and the stem. In the sporophyll three bundles are shown, the middle strand belonging to the sporangiophoreand the two laterals to the forked sporophyll. found that certain interesting variations normally occur in the species. The most important variation consists in the repeated bifurcation of the sporophyll, a synangium. 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 Scott, Dukinfield Henry, 1854-1934. London, A. and C. Black
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondonaandcblack
