HISTORIA FILICUM; 



AN EXPOSITION 



OP THE 



NATURE, NUMBER, AND ORGANOGRAPHY 



OP 



F 



REVIEW OF THE PRINCIPLES UPON WHICH GENERA ARE FOUNDED, AND 

 THE SYSTEMS OF CLASSIFICATION OF THE PRINCIPAL AUTHORS, 



NEW GENERAL ARRANGEMENT ; CHARACTERS OF THE GENERA ; REMARKS 



ON THEIR RELATIONSHIP TO ONE ANOTHER ; THEIR SPECIES ; 



REFERENCE TO AUTHORS ; GEOGRAPHICAL DISTRIBUTION ; 



ETC., ETC., 



With 30 Lithographic Plates, by W. H. FITCH, F.L.S., 

 illustrating the Characters of the Tribes. 



BY JOHN SMITH, A.L.S., 



EX-CCBATOB OV THE ROYAL BOTANIC GAEDEIT, KETV ; AUTHOE OP " FEBNS, BBITISH 



FOBEIGN," "DOMESTIC BoTAirr," ETC., ETC. 



LONDON. 

 MACMILLAN & CO. 



1875. 



