Wakefield, printed for the author by E. Mickletwaithe, 1862, 54p., 26 handcol. lithogr. plates, orig. cl. Smith, J. Historia Filicum; an exposition of the nature, number, and organography of Ferns (...). London, Macmillan & Co., 1875, XIV,(2),429p., 29 lithogr. plates, orig. cl. Hooker, W.J. Synopsis Filicum: or, A synopsis of all known ferns, including the Osmundaceae, Schizaeaceae, Marattiaceae and Ophioglossaceae. Ibid., W.H. Allen and Co., 1883, 2nd ed., 557p., 9 handcol. lithogr. plates, orig. giltlettered cl. - AND 9 others on British ferns, i.a. G.W. FRANCIS, An Analysis of the British Ferns and their Allies (London, 1855, 5th ed., 10 plates, ills., orig. giltlettered cl.); A. PRATT, The Ferns of Great Britain and their Allies, the club-mosses, pepperworts, and horsetails (London, ±1870, 39 chromolithogr. plates, orig. embossed cl.) and B.S. WILLIAMS, Select Ferns and Lycopods: British and Exotic (ibid., 1868, (fold.) woodengr. plates, orig. cl.).