CLASSIFICATION AND NOMENCLATURE. 53 



HOOKER (W. J.). Genera Filicum. 410. (1842.) 120 col- 

 ored plates. 



Species Filicum. 5 vols. 8vo. (1846-1864). 304 col- 

 ored plates. 



HOOKER (W. J.) and BAKER (J. G.). Synopsis Filicum. 2d 

 ed., 8vo. (1874.) Contains descriptions of all the ferns of the 

 world recognized at Kew to the date of publication. 



HOOKER (W. J.) and GREVILLE (R. K.). Icones Filicum. 

 2 vols. folio. (1831.) 240 colored plates. 



METTENIUS (G.). Filices Hort Botanici Lipsiensis. 410. 

 (1856.) 



Ueber einige Farngattungen. Five parts. 4to. (1857- 

 1859.) 



LUERSSEN (C.). Die Farnpflanzen. In Rabenhort : Kryp- 

 togainen-Flora Deutschlands. 8vo. 



Besides numerous scattered papers by all of the above-men- 

 tioned writers, together with Moore, Kuhn, A. Braun, Prantl, 

 Milde, Christ, Jenman, Fournier, and many others. 



