. The geological history of plants. Paleobotany; 1888. THE EEIAN OR DEVONIAN FORESTS. 63 fronds, apparently bearing on parts of the main stem or petiole small rounded sporocarps. They are found abun- dantly in the Middle Erian of the State of New York, and also occur in Scotland, while one species appears to occur in Nova Scotia, as high as the Lower Carboniferous (Figs. 17, 18). These organisms have been variously referred to Lyco- pods, to Algaa, or to Zoophytes, but an extended compari-. Fio. 18.—PlUophyfon Thomtoni (Sootland). a, Impregsion of plimt in vernation. 6, Branches coDJecturally


. The geological history of plants. Paleobotany; 1888. THE EEIAN OR DEVONIAN FORESTS. 63 fronds, apparently bearing on parts of the main stem or petiole small rounded sporocarps. They are found abun- dantly in the Middle Erian of the State of New York, and also occur in Scotland, while one species appears to occur in Nova Scotia, as high as the Lower Carboniferous (Figs. 17, 18). These organisms have been variously referred to Lyco- pods, to Algaa, or to Zoophytes, but an extended compari-. Fio. 18.—PlUophyfon Thomtoni (Sootland). a, Impregsion of plimt in vernation. 6, Branches coDJecturally restored, c. Branches of l^co- poddtes MUlerij on same slab. son of American and Scottish specimens has led me to the belief that they were aquatic plants, more likely to hare been allied to Ehizocarps than to any other group. Some eyidence of this will be given in a note appended to this 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 Dawson, John William, Sir, 1820-1899. New York, D. Appleton and Company


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