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Plate LXX,
A S P I D 1U M P A T E N S , Sara r t z .
All.TJJTiJ;d*.Co Llül bcT»
FERNS OE NORTH AMERICA. l8 l
P l a t e LX X .
a s p i d i u m p a t e n s , S wartz.
Sp read ing W o o d -F e rn .
A s p i d i u m p a t e n s Root-stock rather stout, creeping,
scaly with thinnish fuscous-brown lanceolate scales; stalks
clustered, brownish-stramineous, chaffy at the base, rather
slender, a few inches to over a foot long, fronds usually
longer than the stalks, membranaceous or chartaceous, softly
pubescent beneath, ovate-oblong in outline, caudate-acuminate,
pmnate; pinnæ closely-placed, linear-acuminate, three to six
inches long or longer, five to seven lines wide, the lowest
pair scarcely or not at all smaller, but somewhat deflexed, all
pinnately incised one-half to three-fourths of the way to the
midrib; segments very numerous, crowded, obliquely oblong,
acutish, basal ones longest; veins v e ry evident, simple, the
lowest ones of adjoining segments curved and meeting at the
sinus, or sometimes uniting and sending out to the sinus a
short free veinlet ; son about midway between the midvein and
the margin ; indusia round-reniform, v ery pubescent.
Aspidium patens, S w a r t z , in Schraders Journal, i8po, if, p . z 6 ; Syn.
Fit, p. 49.—W il ld en ow , Sp. Pl., v„ p. 244.—R a d d i, Fil. Bras.,
p . 3 2 , t. 48.— H o o k e r & A r n o i t , Bot. Bcechcy's voyage, p .
405.—M e t t e n i u s , Fil. Hort. Lips., p . 9 0 ; Aspidium, p. 8 7 .—
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