. The British Charophyta. Characeae. 82 BRITISH CHAROPHYTA. Dr. Stache constituted a separate genus, Kosinogyra, for the plants with fruits so ornamented. The tubercles on the fruits of one of his species, K. superba (see Fig. 30), are remarkably regular in arrangement and evenly rounded in outline. The other new genus, Lagynophora, is based on a number of vegetative parts as well as fruit remains, and represents an extremely interesting and distinct type (see Fig. 31). The fruits, as the name implies, are flask-shaped, the spiral-cells being prolonged upwards and forming a cylindrical project
. The British Charophyta. Characeae. 82 BRITISH CHAROPHYTA. Dr. Stache constituted a separate genus, Kosinogyra, for the plants with fruits so ornamented. The tubercles on the fruits of one of his species, K. superba (see Fig. 30), are remarkably regular in arrangement and evenly rounded in outline. The other new genus, Lagynophora, is based on a number of vegetative parts as well as fruit remains, and represents an extremely interesting and distinct type (see Fig. 31). The fruits, as the name implies, are flask-shaped, the spiral-cells being prolonged upwards and forming a cylindrical projection at the apex. The fruits occur in great numbers attached to the branchlets—a very unusual state of things with fossil Charophytes. The plant was extremely Fio. 30.—Kosmogyra superba, Staehe (after Stache), from Lower Eocene, Liburnische Stufe, end view. the fruiting whorls apparently not much exceedmg 3 mm. across. The stem was corticate, the whorls consisted of 6-9 branchlets formed in some species of one, in some of more than one segment, but with only a single fruiting node. At the node (or nodes) a whorl of lateral rays arise, which, at the fruiting nodes, surround the fruit. Five species were described. Thanks to the kindness of Dr. Drejer I have had the opportunity of examining some of Dr. Stache's type-specimens of Charophyta preserved in the Vienna Museum. In some Eocene beds of North America, the age of which in relation to the European beds it is difficult to fix, Dr. Knowlton (7) found several types of Charophyte- fruits, one of which, C. compressa, Knowlt., is appreciably broader than 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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