—— (75) Flora Fossilis Arctica, vol. III.

—— (76) Jura-Flora Ostsibiriens und des Amurlandes. Ibid. vol. IV. [ii].

—— (80) Nachträge zur fossilen Flora Grönlands. K. Svensk. Vetenskaps-Akad. Hand. Bd. XVIII. [Flor. Foss. Arct. vol. VI. 1882.]

—— (82) Die Fossile-Flora Grönlands. Flor. Foss. Arct. vol. VI.

Hegelmaier, F. (72) Zur Morphologie der Gattung Lycopodium. Bot. Zeit. 1872, p. 773.

Hick, T. (93) On a new fossil plant from the Lower Coal-Measures. Journ. Linn. Soc. vol. XXIX. p. 86.

—— (932) Supplementary note on a new fossil plant. Ibid. p. 216.

—— (96) On Rachiopteris cylindrica. Mem. Proc. Manchester Lit. Phil. Soc. vol. XLI. pt. i.

Hieronymus, G. (02) Selaginellaceae. Die Natürlichen Pflanzenfamilien. Engler and Prantl, Teil I. Abt. 4, p. 621.

Hill, T. G. (00) See Scott, D. H. and T. G. Hill.