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

by A. C. Seward

[515] Young and Bird (22) p. 185, Pl. III. fig. 3.

[516] König, in Murchison (29) p. 293, Pl. XXXII.

[517] Murchison (29) p. 368.

[518] Bunbury (51) p. 189.

[519] Schimper (69) p. 267.

[520] Zigno (56) Pl. III. fig. 1, p. 45.

[521] Gardner (86) Pl. IX. fig. 3.

[522] Williamson (83) p. 4.

[523] Williamson and Scott (94) p. 889, Pl. LXXIX. fig. 19.

[524] Phillips J. (29) Pl. X. fig. 13.