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FERNS OF NORTH AMERICA.
P l a t e XIV. — F ig . i .
A N E IM IA M EX IC A N A , K l o t z s c h .
Mexican Aneimia.
A n e im i a M e x i c a n a : — Root-stock short, creeping, covered
with narrow curling blackish scales ; stalks four to eight inches
long, pale, smoothish, w'iry, furrowed on one side ; fronds coriaceous,
glabrous, shining, paler beneath ; sterile ones deltoid-ovate,
four to six or even nine inches long, having about four to six
short - stalked sub-cordate ovate-acuminate minutely but very
sharply serrulate pinnæ on each side, and a terminal one nearly
as large as the rest; veins free, forking from a distinct mid-vein,
closely placed, and giving the surface a striated appearance ; fertile
frond like the sterile, except that the two lowest pinnæ are
changed into long-stalked erect narrow pinnately-compoimcl panicles
of fructification ; the ultimate divisions narrow but flat, and
bearing on the under surface a double row of sessile acorn-shaped
sporangia, which have a reticulated surface and a radiated cap at
the top.
Aneimia Mexicana, K io t z sc i-i , in Linnæa, xvii!., p. 526.— K u n z e , in Linnæa,
xxii!., p. 2 2 3 ; Die Farrnkraüter, ii., p. 75, t. 13 1 . — H o o k e r ,
Ic. Plant., t. 9 8 8 . — H o o k e r & B a k e r , Syn. F i l , p. 443. — E aton,
in Botany of the Mexican Boundary, p. 235,
Aneimia speciosa, P r e s l , Suppl. Tent. Pterid., p . 8 9 . — L ie rm a n n , Mexicos
Bregner, p. 1 5 1 . (A smaller mountain-form, figured as var. pauci-
fo lia by Hooker, Second Cent, of Ferns, t. 65.)
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