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WOODWARDIA VIRGUPIGA, Smith,
Armstrong 5e Co.Lith.Bostün
F E R N S O F NORTH AM E R IC A . 45
P l a t e LII.
WOODWARDIA V IR G IN IC A , S m i t h .
V irg in ia C ha in-Fe rn.
W o o d w a r d i a V i r g i n i c a :— Root-stock fleshy, subterranean,
wide-creeping, the newer portion sparingly chaffy with appressed
scales; stalks scattered, erect, one to two and a half
feet high, stout, ebeneous near the base ; fronds about as long
as the stalks, oblong-ovate or ovate-lanceolate in outline, subcoriaceous,
smooth, pinnate ; pinnæ numerous, mostly alternate,
sessile, four to eight inches long, rarely an inch wide, deeply
pinnatifid into crowded ovate obtuse segments having a callous
and minutely serrulate edge ; veins forming a series of
narrow areoles along the midribs and midveins ; areoles
emitting free forking veinlets; sori oblong-linear, one to each
areole, and therefore forming a series each side the midribs
and midveins; indusium arched, at length opening along the
inner margin.
Woodwardia Virginica, S m ith , in Mé.n. Acad. Turin, v., p. 4 1 2 .—
S w a r t z , Syn. Fil., p. 117 . — W i l ld e n o w , Sp. Pl., v., p. 4 18 .—
P u r s h , FI. Am. Sept., ii., p. 670.— B ig e lo w , FI. Boston, ed .
iii., p. 4 2 3 .-— G r a y , Manual, e d . i., p. 6 2 6 ; e d . ii., p. 5 9 3 ; t.
X., fig. 4, 5. — M e t t e n iu s , Fil. Hort. Lips., p. 66, t. vi., fig.
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