Portion of mature Frond— under side. 



yiTTAMA ZOSTEEJ^FOLIA. 



WiLLDENOW. Fee. Smith. Sprengel. Presl. 



PLATE LXV. — B. A^OL. II. 



Vittaria angustifrons, 



BoEY. 



Vittaria — ^Hiband-shaped, (in allusion to the form of the frond.) 

 ZostercBfolia — Zostera-leaved. 



Another very rare exceedingly narrow-fronded species, 

 equally interesting with that last described. 



An evergreen stove species. 



Native of the Mauritius. 



Fronds pendulous, linear, membranaceous, and smooth. 



Veins simple, forming a very acute angle with the midrib, 

 and their apices prolonged into a transverse marginal vein. 



Sori marginal, linear, and continuous. 



A larger and broader species than Vittaria lineata. 



Length about two feet. 



Midrib of frond sunk so as to be invisible. 



The present species is in looks a gigantic Vittaria lineata. 

 VOL. II. X 



