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FE RN S OF N O R TH AMERICA.
a Sterile frond, probably of this species, but with the pinnæ
almost acute enough for the next. I have no note of its
occurrence in Tennessee or any of the Gulf States.
Plate X X IX ., Figs. i, 2 .— An entire plant, from Mr. Robinson’s
garden, in Salem, Massachusetts, reduced to about one-eighth of the
natural size, sho.wing the massive root-stock, and the fertile fronds rising
nearly erect above the recurving sterile ones. Fig. 2 represents a sterile
and a fertile pinna of the natural size.
FERNS OF NORTH AMERICA.
P l a t e X X IX . — F ig s . 3 - 5 .
OSMUNDA CINN AMOMEA, L i n n æ u s .
C in n am o n -F e rn .
OSxMUNDA C INNAMOMEA : — Root-stock Creeping, massive
with imbricated stalk-bases ; stalks a few inches to two feet
high, rounded at the back, nearly flat in front, clothed at first
with abundant light-brown wool, never chaffy ; fronds from a
foot to three or four feet long, standing in a crown ; the sterile
ones oblong-lanceolate in outline, slightly narrowed towards the
base, pointed at the apex or even acuminate, pinnate with numerous
oblong-lanceolate acute deeply pinnatifid pinnæ; segments
ovate - oblong, oblique, usually entire, rounded at the
apex, or moderately acute ; veins free, usually once forked near
the midvein ; fertile fronds often as tall as the sterile, produced
before them, but withering much sooner ; all the pinnæ
contracted, bipinnate, destitute of green tissue ; the slender
divisions covered with cinnamon-brown bivalvular reticulated
sporangia.
Osmunda cinnamomea, L in n æ u s , Sp. PL, p. 1522. — S w a r t z , Syn. Fil.,
p. 160. — S c h k u h r , Krypt. Gew., p. 148, t. 146. — W il l d e now,
Sp. PL, V., p. 98. — M ic h a u x , FL Bor. Am., ii., p. 2 7 3 .—
P u r sh , P'L Am. Sept., ii., p. 657. — H o o k e r , FI. Bor. Am., ii.,
p. 265. — T o r r e y , FL N. Y., ii., p. 503. — L in k , Fil. Hort.
. k
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