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

by A. C. Seward

[1142] Bertrand, P. (09) p. 211.

[1143] Pelourde (09).

[1144] Kidston and Gwynne-Vaughan (08) p. 230.

[1145] Ibid. (09) p. 664.

[1146] A Culm species Rachiopteris aphyllus (Unger) is closely allied to Metaclepsydropsis duplex. [See Solms-Laubach (96) p. 30.]

[1147] Unger and Richter (56) p. 165.

[1148] Corda (45) A. p. 83.

[1149] κλεψύδρα, water-clock.

[1150] P. Bertrand (09) p. 127.

[1151] Stenzel (89) p. 25.