. The botany of the Eastern Borders : with the popular names and uses of the plants, and of the customs and beliefs which have been associated with them. Plants. 306 FOSSIL FLORA one locality at Budle, in a red argillaceous shale, associated with other plants and marine sliells, among which is Posidonia tubercu- lata. This interesting deposit, which is about 30 feet thick, contains in the lower part many marine remains ; but as we ascend upward, a fragment of a land plant, which had been floated into this ancient estuary, here and there appears; and in the uppermost part, the marine fossils ar
. The botany of the Eastern Borders : with the popular names and uses of the plants, and of the customs and beliefs which have been associated with them. Plants. 306 FOSSIL FLORA one locality at Budle, in a red argillaceous shale, associated with other plants and marine sliells, among which is Posidonia tubercu- lata. This interesting deposit, which is about 30 feet thick, contains in the lower part many marine remains ; but as we ascend upward, a fragment of a land plant, which had been floated into this ancient estuary, here and there appears; and in the uppermost part, the marine fossils are almost entirely gone, while considerable numbers of land plants are spread out between the layers of shale. Genus Sphenopteris (Brongn.). Frond bi-tripinnate ; pinnules contracted at the base, not adherent to the rachis, lobed, the lower larger and diverging ; veins bipinnate, somewhat radiating from the base. Sphenopteris Johnstoniana (Tate). Figs. 1 & 2, Frond bipinnate; pirmse linear-lanceolate; rachis of the pinnae winged and longitudinally striated; pinnules alternate, cuneate or palmate, the lower deeply cut into five or six bifid or trifid segments, the upper into three or four bifid segments; veins bipinnate, each lobe bavins; one central vein. Fig. Fig. 1. Pinna of Sphenopteris Johnstoniana. Fig. \. a. A detached pinnule more divided from the lower part of a 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 Johnston, George, 1797-1855; Tate, George, 1805-1871. London : J. Van Voorst
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectplants, bookyear1853
