AVOODSIA. 61 



GENUS X. 



WOODSIA. Egbert Brown, 



A SMALL interesting family, chiefly confined to cold climates, 

 growing in crevices of rocks. Dwarf Ferns. 



England boasts of two species, the Woodsia hyperhorea and 

 IV. ilvensis, and they rank among her rarest indigenous plants. 



The name is in honour of J. Woods, an eminent British 

 Botanist. 



Kunze, in his *'Tndex Filicum," enumerates — 

 Woodsia glabella, Broicn. 



" hyperhorea, Broicn. 

 " ilvensis, Broicn. 

 Physematium incisum, Kunze. 

 " molle, Kaulfuss. 



" obtusum, Kunze. 



Presl, in his "Tentamen Pteridographiae," gives — 

 Physematium molle, Kaulfuss. 



" Perrinianum, Presl. 



" incisum, Presl. 



Polypodium hyperboreum, Swartz. 



" ilvense, Swartz. 



Fee, in his "Genres de la Famille des Polypodiacees." enu- 

 merates — 



Woodsia ilvensis, Broion. 

 " hyperhorea. Brown. 

 " glabella, Broicn. 

 f " mollis, /. Smith. 



i ^' elongata, Hooher. 



Guatemalensis, Hooler. 



iC 



i( 



Peruviana, Hooker. 

 Cumingiana, Fee. 



