HISTORIA FILICUM 



AN EXPOSITION 



NATURE, NUMBER, AND ORGANOGRAPHY 



OP 



FERNS. 



REVIEW OP THE PEINCIPLES UPON WHICH GENERA ARE FOUNDED, AND 

 THE SYSTEMS OP OLASSIPIOATION OP THE PRINCIPAIi AUTHORS, 



WITH A 



N'EW GENERAL ARRANGEMENT; CHARACTERS OF THE GENERA; REMARKS 



ON THEIR RELATIONSHIP TO ONE ANOTHER ; THEIR SPECIES ; 



REEERENCE TO AUTHORS ; GEOGRAPHICAL DISTRIBUTION ; 



ETC., ETC., 



With 30 LithograpMc Plates, hy W. H. Fitch, P.L.S., 

 illustrating the Characters of the Tribes. 



By JOHN SMITH, A.L.S., 



EX-CUHATOE OF THE ROTAL BOTANIO GaEDEN, KeW ; AUTHOE OE " FeENS, BeITISE AKD 

 FOEEIQN"," " DOMEBTIO BoTANT," ETC., ETC. 



LONDON. 



MACMILLAN & CO. 



1875. 



