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

by A. C. Seward

[772] Scott, D. H. (09).

[773] Kidston and Gwynne-Vaughan (08).

[774] Eichwald (60).

[775] Gwynne-Vaughan (08).

[776] Kidston and Gwynne-Vaughan (08) p. 226.

[777] Brongniart (49) A. p. 35.

[778] Brongniart (28) A. Pl. LXXX.

[779] Kidston and Gwynne-Vaughan (09).

[780] Seward (99).

[781] Krasser (09) p. 10.