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

by A. C. Seward

[232] Nathorst (08).

[233] Nathorst (02²) p. 5, Pl. I. fig. 1.

[234] Fliche (03).

[235] Fliche (09).

[236] Scott (01).

[237] Rodway (95) A. p. 153.

[238] A good example of an old Lepidodendron stem (L. aculeatum) is figured by Zalessky (04) Pl. I. fig. 3.

[239] Seward and Ford (06) Pl. XXIII. fig. C.

[240] See Fischer (04).

[241] Bertrand, C. E. (91) p. 84: derived from παρά, by the side of, and ἴχνος, trace or foot-print.