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

by A. C. Seward

[725] E.g. Volkmannia Ludwigi Carr., also Volkmannia elongata Presl. [Solms (91), p. 332 and Weiss (76), p. 108].

[726] E.g. Brukmannia Grand’Euryi Ren. [Renault (76)].

[727] Weiss (84), p. 190.

[728] Weiss (76), p. 1.

[729] Weiss (84), p. 161.

[730] Renault (82), p. 139; (76).

[731] Solms-Laubach (91), p. 330.

[732] Schenk (88), p. 132; (83), p. 232.

[733] Weiss (84), p. 161.

[734] E.g. Volkmannia gracilis Sternb. [Renault (76), Pl. II.].