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

by A. C. Seward

[795] Ibid. Pl. XXV. fig. 2.

[796] Stur (87), Pl. II. etc.

[797] Zeiller (88), p. 363, Pl. LVII. fig. 1.

[798] Steinhauer (18), Pl. VI. fig. 1.

[799] Kidston (93), p. 311, Pl. II.

[800] Kidston (94), p. 248.

[801] Weiss (84), p. 119.

[802] Steinhauer (18), Pl. V. figs. 1 and 2.

[803] Artis (25), Pl. XXIV.

[804] Brongniart (28²), Pls. XV. and XVI.