142 



FERNS : 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- 

 siwm orbicular. 



1. C. falcatum, Presl. Polypodium falcatum, Linn. ; Thurib. 

 Fl. Jap. t. 36. Aspidium falcatum, 8w. ; Lang, et 

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

 t. 92. Japan, China. 



