142 



FERNS I BRITISH AND FOREIGN. 



alternate, the lower exterior branch free, the others acutely 

 anastomosing, producing from their junctions free or anasto- 

 mosing veinlets. Receptacles punctiform on or below their 





Genus 68. Portion of mature frond, under side. 



apices or points of junction of the venules. Sori round, 

 transversely uniserial, or numerous and oblique-serial. Indu- 

 swwi orbicular. 



1. C. falcatum, Presl Polypodium' falcatum, Linn. ; Tlimib. 

 Fl. Jap. t. 36. Aspidium falcatum, Sw. ; Lang, et 

 Fisch. t 15 ; Lowe's Ferns, 6, t. 9 ; Hook. Fil. Exot* 

 t. 92. Japan, China. 



