—— (98) On the structure and affinities &c. II. On Spencerites, a new genus of Lycopodiaceous cones from the Coal-Measures founded on the Lepidodendron Spenceri of Williamson. Ibid. vol. CLXXXIX. p. 83.
—— (00) Studies in fossil botany. London.
—— (01) On the structure and affinities &c. IV. The seed-like fructification of Lepidocarpon, a genus of Lycopodiaceous cones from the Carboniferous formation. Phil. Trans. R. Soc. vol. CXCIV. p. 291.
—— (02) The Old Wood and the New. New Phytologist, vol. I. p. 25.
—— (04) Germinating spores in a fossil fern Sporangium. Ibid. vol. III. p. 18.
—— (042) On the occurrence of Sigillariopsis in the Lower Coal-Measures of Britain. Annals Bot. vol. XVIII. p. 519.
—— (05) On the structure and affinities &c. v. On a new type of Sphenophyllaceous cone (Sphenophyllum fertile) from the Lower Coal-Measures. Phil Trans. R. Soc. vol. CXCVIII. p. 17.
—— (052) What were the Carboniferous ferns? Journ. R. Micr. Soc. p. 137.
—— (053) The Sporangia of Stauropteris oldhamia. New Phyt. vol. IV. p. 114.
—— (06) On the structure of some Carboniferous ferns. Journ. R. Micr. Soc. p. 518.