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102 FERNS OF NORTH AMERICA.
Plate XIV., Fig. i. — Aneimia Mexicana. A root-stock bearing a
single frond, the stalk cut in two for convenience. One side of a sterile
pinna is drawn twice the natural size, to show the venation; and to the left
is a single sporangium, greatly magnified, and exhibiting the apical ring.
I i -»I*
FERNS OF NORTH AMERICA.
P l a t e XIV. — F ig . 2.
A N E IM IA A D IA N T IFO L IA , S w a r t z ,
M aid en -h a ir Ane imia.
A n e t m ia a d i a n t i f o l i a : — Root-stock creeping, terete, and
covered with fine blackish-fuscous scales ; stalks somewhat scattered,
erect, a span to a foot high, brownish and sparingly chaffy-
tomentose near the base ; fronds shorter than the stalk ; the sterile
portion deltoid-ovate, sub-coriaceous, pubescent along the
rachises, more or less glossy on both surfaces, twice or thrice
pinnate ; pinnæ triangular-lanceolate, acute or obtuse ; pinnules
obovate or ovate with a cuneate base, often lobed, or the larger
ones pinnatifid, toothed at the apex, striated by the free forking
veinlets ; fertile panicles long-stalked from the base of the sterile
segment, pinnately compound, the branchlets flattened, and bearing
the sessile acorn-shaped sporangia in double rows.
Aneimia adiantifolia, S w a e t z , Syn. F it, p. 157. — W il ld en ow , Sp. P l., v.,
p. 9 4 . — K u n z e , in Linnæa, ix., p. 2 1 ; xvii!., p. 3 0 9 ; xxiii., p. 2 2 1 .
— P r e s l , Suppl. Tent., p. 8 5 . — H o o k er & G r e v il l e , I c. Fit,
t. 16 (var. asflenifolid) .— E aton , in Chapman’s Flora of the
Southern States, p. 5 9 8 . — G r is e e a c i -i , Flora of Brit. W. Ind. I s l.,
p, 6 5 0 . — H o o k e r & B a k e r , Syn. Fil., p. 4 3 4 . — F é e , Foug. Mex.
Cat., p. 4 1 . — F o u r n ie r , Mex. P I , Crypt., p. 1 3 9 .
Osmttnda adiantifolia, L in n æ u s , S p . P L , p . 1 5 2 0 .
Ornitltopicris adiantifolia, B e r n i ia r d i , in Schraders N. Journ. Bot., 1806,
ii., p. 50. t. 3 ; fig. 15 b.