Fossil plants, Vol. 2: A text-book for students of botany and geology

by A. C. Seward

[1492] Seward (08) p. 97, Pl. VIII.

[1493] Brongniart, in Murchison, Verneuil, and Keyserling (45) Pl. A.

[1494] Weiss, C. E. (70) p. 871.

[1495] Brongniart (49) A. p. 24.

[1496] Grand’Eury (06).

[1497] Weiss (69) Pls. VI. VII.

[1498] Potonié (93) A. Pl. I. figs. 1, 2.

[1499] Weber and Sterzel (96) p. 99.

[1500] Zeiller (90) p. 84.

[1501] Zeiller (98³).