P in n a of m a ture Frond, u n d e r side.
ASPIDIUM DELTOIDEUM.
S w a r t z .
P L A T E X I . I .
Lastrea deltoiâea,
Aspidium—Shield Fern.
M o o e e .
Deltoideum—Deltoidal.
I n t h e S e c t i o n L a s t r e a o e A u t h o r s .
A s in g u l a r -l o o k in g F em , as yet rare i n cultivation.
An evergreen stove species.
Native of the West Indies, and imported from Jamaica.
The fronds, which are stiff, are erect, smooth, thickish-
textured, and pinnate; the pinnæ on the lower ha lf of the
frond are very small and dcltoidal, descending, and making
the lower ha lf of the frond remarkably narrow; the pinnæ
on the upper h a lf of the frond very large in proportion to
those below, ascending, profoundly pinnatifid, and narrowing
to the apex. Pinnæ at the base, and also upper portion of
the frond, rounded at the ajjex, the large pinnæ pointed.
The largest pinnæ four inches in length, below where deltoid
only ha lf an inch. Stem very hirsute; base scaly.
Rhizoma very slow creeping, (decumbent,) and stout.
Yeins forked.
y'F
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