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

by A. C. Seward

[32] Bower (08) p. 426.

[33] Lignier (03); (08).

[34] Tansley (08) p. 26, who refers to similar views held by Potonié and by Hallier.

[35] On the morphology of Sporangiophores, see also Benson (08²) and Scott, D. H. (09) p. 623.

[36] Scott (00).

[37] Thomas (02).

[38] Bower (08) p. 398.

[39] Dangeard (91) and Bertrand, C. E. (81) recognise other species of Tmesipteris, but it is doubtful how far such differences as exist are worthy of specific recognition.

[40] Baker (87) A. p. 30.

[41] Thomas (02) p. 349.