. The British Charophyta. Characeae. Fig. 27.—Problematic organisms from the Devonian of N. America. a, h, Moellerina Greenei, Ulrich (after Ulrich); c, d, Calcisphsera Lemoni, Knowl. (after Knowlton); e, J', Trochiliscus bulbiformis, Karp. (after Karpinsky). one of Ulrich's figures the reverse is shown (see Fig. 27 a). In Knowlton's paper the question as to whether or not they are Charophytes is discussed at length, and the opinions of a number of authorities on the point are cited. Of these Prof. Nordstedt, whose views on any question relating to Charophyta must carry great weight, and Dr. A

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. The British Charophyta. Characeae. Fig. 27.—Problematic organisms from the Devonian of N. America. a, h, Moellerina Greenei, Ulrich (after Ulrich); c, d, Calcisphsera Lemoni, Knowl. (after Knowlton); e, J', Trochiliscus bulbiformis, Karp. (after Karpinsky). one of Ulrich's figures the reverse is shown (see Fig. 27 a). In Knowlton's paper the question as to whether or not they are Charophytes is discussed at length, and the opinions of a number of authorities on the point are cited. Of these Prof. Nordstedt, whose views on any question relating to Charophyta must carry great weight, and Dr. Allen, who had long worked at these plants, were both of opinion that they did not belong to the. 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 Groves, James; Bullock-Webster, George Russell, 1858- joint author. London, The Ray society

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherlondo, bookyear1920