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CERATODACTYLIS OSMUNDIOIDES.
J. S m it h . F e e .
P L A T E X X X .
L la v e a cordifulia,
AUosorus Karw in sicii,
B o tryo g ram m e Karw in sicii,
L a g a s c a . H o o k e e , {not L t e b m a n n . )
K u n z e . B e n t h a m . H o o k e r .
F e e .
Ceratodactylis—From K e r a s—a horn, and dactylos—a finger, alluding to
th e divisions of the fronds. Osmundioides—Osmuuda-like.
A VERY handsome, delicate-fronded, Osmunda-\o6kmg Fern.
An evergreen stove species.
Native of Mexico.
F rond large and tripinnate, the fertile and sterile pinnules
diiferent. Sterile pinnules ovate-cordate, thin b u t firm, having
a thickened narrow margin; the veins closely pinnated and
forked, the margin finely spinulose-serrate; fertile pinnules, which
are situated only on the upper portion, forming a panicle, are
narrow, elongated, nearly terete, the margins membranaceous,
involute, and forming the involucres.
Caudex brief, stout, iiexuous, and scaly; stipes long, ilexuous,
slender, and scaly; rachis flexuous and slender.
Sori linear-oblong, and occupying nearly the entire length of
the pinnated veins of the upper pinnules of the frond.
L
J,
/C.