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

[695] Williamson (83²), Pl. XXIX. fig. 7.

[696] Williamson and Scott (95), Pls. XV.–XVII.

[697] For figures vide Williamson, loc. cit., Williamson and Scott, and Renault (85), (93).

[698] E.g. Schenk (90) in Zittel’s Handbuch, p. 237.

[699] Williamson and Scott, loc. cit. p. 689.

[700] de Bary (84), p. 474; van Tieghem (91), p. 720.

[701] Renault (96), pp. 118, 126; (93), Pl. LV.

[702] Carruthers (67), Pl. LXX.

[703] Sternberg (25), Pl. XLVIII. and LI.

[704] Brongniart (49), p. 51.