AN ENUMERATION OF CULTIVATED FERNS. 161 



4 C. regia, Presl; Lindl and Moore's Brit. Ferns, 

 t. 46 B. Polypodium regium, Linn. Cystea regia, 8m, 

 Aspidium regium, Sw. Cyathea 

 incisa, 8m. Eng. Bot. 1. 163. Poly- 

 podium alpinum, Jacq. Ic. Ear. 

 t. 642. Aspidium alpinum, Sw. ; 

 Sclilc.Fil.t62. Cystopteris alpina, 

 Desv. ; Hook. Brit. Ferns, t. 24 ; 

 Sowerly's Ferns, t. 23. Europe. 



5 C. montana, Bemh. ; Lindl and Moore's 

 Brit. Ferns, t. 46 C, f. 1-3 ; Hook. 

 Brit. Ferns, <.25; Sowerby's Ferns, 

 t. 24. Aspidium montanum, Sw. ; 

 SM. Fil t. 63. Europe. 



c. Indusium calyciform. 

 77. WOODSIA, E. Br. 



Vernation fasciculate, erect, caaspitose. 

 Fronds bi-tripinnatifid, rarely pinnate, 

 1-12 inches high, smooth or squamiferous. 

 Veins simple or forked, 

 free, the lower exterior 

 branch sporangiferous on 

 or below its apex. Recep- 

 tacles punctiform. Sori 

 round. Indusium calyci- 

 form, its margin nearly 

 entire or deeply laciniated, 

 lacinise usually termina- 

 ting in long hairs, which 

 involve the sporangia. 



Genus 77. Frond of No. 1, and pinna 

 of No. 5. 



