The following WorTcs have heen consulted: — 



Sir William Hooker's Synopsis Filicum, completed by J. G. Baker. 



„ Species Filioum. 



„ Klices Exotici. 



„ British Ferns. 



„ Gaxden Ferns. 



„ Century of Ferns. 



„ Second Century of Ferns. 



,, Flora Boreali Americani. 



Hooker and Greville's Icones Filicum. 

 Hooker and Amott's Beeckey's Voyage. 

 Dr. Joseph Hooker's Introduction to Flora Indica. 



„ New Zealand Handbook. 



Grisebach'a Flora of the British West Indian Isles. 

 Thwaites' Enumeration of Ceylon Plants. 

 Bentham's Flora Hongkongensis. 

 F. Mueller's Vegetation of the Chatham Islands. 

 „ Fragmenta Phytographise Australise. 



Asa Gray's Manual of the Northern United States, FUices, by Pro- 

 fessor D. C. Eaton. 

 Chapman's Flora of the Southern United States. Filices, by Pro- 

 fessor D. C. Eaton. 

 Torrey's New York Flora. 



M'Cord's Paper on Canadian Ferns, in ' Canadian Naturalist.' 

 Kuhn's Filices Africanes. 

 Milde's Filices Europse. 

 F6e"s Histoire des Fongeres &c. des Antilles. 

 Mettenius, on Ferns of India and Japan, in Mic[uel's Annale, &c. 



