P o rtion of fertile Frond, un d e r side.
ASPLENIUM ALATUM.
H o o k e r and G e e v i l l e . W i l l d e n ow . M e t t e n iu s .
PIUMBOLDT AND BONPLAND. MoORE. J . SmITH.
P o iRET. S p r e n g e l . D e s v a u x . K u n z e . K l o i z s c h .
F e e . {Not o f S i e b e e , or B e e t h e l o t . )
P L A T E X I I . B .
Asplenmm pteropJiorum, P e e s l .
Asplenium—Spleenwort. Ala tum—W i
A SINGULAR Fern, having broad herbaceous wings on either
side of the stipes, and between the pinnæ on the rachis, with
a break where each pinna is attached. By no means a common
plan t 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; pinnæ 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 tho apex. Stipes and