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Fertile pinna, un d e r aide.
LOMARIOPSIS LONGIFOLIA.
J. S m it h .
PLATE x x x v n .
Lomm'ia longifolia,
Acrostichum sorhifolium,
K a u l f u s s . S p r e n g e l .
V a h l . {Not < ^ L i n n æ u s .)
Lomariopsis—From loma, th e edge, and opsis, appearance, in allusion
to th e marginal frond. Longifolia—Long-fronded.
An interesting rare Fern.
A stove species.
Native of Tropical America, Martinique, and Porto Rico.
Fronds dimorphous and pinnate; the pinnæ articulate with
the rachis. The fertile pinnæ contracted, sub-opposite below,
alternate ' above, from six to ten pairs and a terminal one;
length of pinnæ six inches, breadth one inch and a half;
oblong-lanceolate in form, pointed at the apex, cuneate at the
base, and paler underneath.
Veins nniform, p a rt simple and pa rt forked, direct, parallel,
free, and conspicuous.
F ertile pinna smaller and narrow, sporangiferous, on the
under side covering the whole frond; length three inches
and a half; breadth not h a lf an inch; margin membranous,
narrow, and sub-indusiforni.