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

by A. C. Seward

[212] Lindley and Hutton (31) A. Pl. LXI.

[213] Sternberg (38) A. p. 38.

[214] Schimper (70) A. p. 9.

[215] Young and Bird (22) A. Pl. II. fig. 7.

[216] No. 39314, Brit. Mus.

[217] Möller (02) Pl. VI. fig. 21.

[218] Seward (04²) p. 161, Pl. VIII. figs. 2–4. The drawing is reproduced twice natural size.

[219] Oldham and Morris (63) Pls. XXXIII. XXXV.

[220] Feistmantel (77) p. 87.

[221] Heer (76) Pl. XV. figs. 1–8.