142 TEENS : BRITISH AND FOREIGN. 



alternate, the lower exterior branch free, the others acutely 

 anastomosing, producing from their junctions free or anasto- 

 mosing veinlets. iJeceptacZes punctiform on or below their 



Genns 68.— Portion of mature frond, under side. 



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

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

 mim, orbicular. 



1. C. falcatum, Preel. Polypodium falcatum, Lvrm. ; TJmmh. 

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

 Fisch. t. 16 ; Lowe's Ferns, 6, t.9; Eoolc. Fil. Exot. 

 t. 92. — Japan, China. 



