Portion of fertile Frond, under side. 



ASPLENIUM ALATIJM. 



Hooker and Greville. Willdenow. Mettenius. 



Humboldt and Bonpland. Moore. J. Smith. 



PoiRET. Sprengel. Desvaux. Kunze. Klotzsch. 



Fee. {Not of Sieber, or Berthelot. ) 



PLATE XII. B. 



Asplenium pterophorum, Peesl. 



Asplenium — Spleenwort. Alutum — Winged. 



A SINGULAR Fern, having broad herbaceous wings on either 

 side of the stipes, and between the pinnae on the rachis, with 

 a break where each pinna is attached. By no means a common 

 plant in cultivation. 



An evergreen stove species. 



Native of Tropical America, New Grenada, Venezuela, Peru, 

 Jamaica, Brazil, Sierra Leone, and St. Vincent. 



The fronds, which are membranaceous and herbaceous, are 

 pinnate; pinnae distant and numerous, and equal in size except 

 near the apex of the frond, and from one to two inches in 

 length, almost sessile, base briefly wedge-shaped, the superior 

 base auriculate. The form of the frond is broadly-lanceolate, 

 acuminate, and frequently proliferous at the apex. Stipes and 



