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•Art! IS. C.E.Faxon.iel ^ f(rt Annstroruj&Co.LithBosto
1-3 A S P L E N I U M D E N T A T U M , L. i s - i ? A S P L E N l U M F I R M U M , Kz.
4-9 A S P I D I U M M O H R I O I D E S , B o r y . 10-14 C E R A T O P T E R I S T H A L I G T R O I D E S , Bron
F E R N S OF NORTH AM E R IC A . 249
P l a t e LX X X .— F ig . 1 - 3 .
A S P L E N IU M D EN T A TUM , L i n n æ u s .
Toothed Spleenwort.
A s p l e n i u m d e n t a t u m : — Root-stock short, erect; stalks
tufted, one to five inches long, dark-brown at the base, becoming
green higher up, those of the fertile fronds tallest; fronds
as long as the stalks, oblong or linear-oblong, thin-herbaceous,
smooth, simply pinnate; rachis green,, flattish ; pinnæ few,
distant, moderately long-stalked, half an inch long, or less,
ovate-rhomboid or rounded-obovate, cuneate on the lower side
of the base, truncate on the upper, obtuse, crenately lobed
or crenate, those of the sterile fronds rounder ; veins few,
simple or forked; sori four to eight on a pinna, nearer the
midvein than the margin, oblong, the lowest superior one often
diplazioid; indusium pale, the edge slightly erose.
Asplenium dentatum, L in n æ u s , S p . PL, p. 1540.— S w a r t z , S y n . Fil., p.
80.— W il ld en o w , Sp. PL, v., p. 324.— H o o k e r & G r e v i l l e ,
Ic. Fil., t. Lxxii.— H o o k e r , Sp. I'il., iii., p. 130.— E .aton, in
Chapman's Flora., p. 592.— G r i s e b a c h , Fl. Brit. W. I. Islands,
p. 683.— H o o k e r & B a k e r , Syn. Fil.; p. 196.— G a r b e r , in
Bot. Gazette, iii., p. 84.
Trichomanes latifolium dentatum. P l u m ie r , Fil. Amer., p. 5 8 , t. l o i , C.
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