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

by A. C. Seward

[425] Renault (96) p. 425, fig. 78.

[426] Fischer in Rabenhorst, vol. i. (92) p. 144.

[427] Carruthers (76) p. 22, fig. 1.

[428] Smith, W. O. (77) p. 499.

[429] Williamson (81) Pl. XLVIII. p. 301.

[430] Renault (96) p. 439, figs. 88 and 89.

[431] Cash and Hick (78²).

[432] Cash and Hick, Pl. VI. fig. 3.

[433] Felix (94) p. 276, Pl. XIX. fig. 1.

[434] ibid. p. 274, Pl. XIX. figs. 5 and 6.