Fossil plants, Vol. 1: [A text-book] for students of botany and geology

by A. C. Seward

[265] Rothpletz (96) p. 910, fig. 3, Pl. XXIII. fig. 203.

[266] Schütt (96) p. 62.

[267] Castracane (76).

[268] Heer (76) p. 66, Pl. XXIII. and (53) p. 117, Pl. VI.

[269] Stefani (82) p. 103.

[270] The Chlorophyceae have recently been exhaustively dealt with by Wille (97) in Engler and Prantl’s Pflanzenfamilien.

[271] Vide p. 142.

[272] Murray G. (95) p. 123.

[273] Göppert (60) p. 439. Pl. XXXIV. fig. 8.

[274] Zeiller (84).