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

by A. C. Seward

[1472] Seward (00) p. 171.

[1473] Saporta (73) A. p. 368.

[1474] Krasser (95).

[1475] Saporta (73) A. Pl. XLVII.

[1476] Brongniart (28) A. p. 60.

[1477] Kidston (01²) p. 196.

[1478] Potonié (93) A. Pl. XV.

[1479] Kidston (89) p. 409.

[1480] Zeiller (06) Pls. XIX.–XXII.; (00²) p. 100, fig. 73.

[1481] Weiss, C. E. (70).