r.
FERNS OF NORTH AMERICA.
P l a t e X X I I . — F ig . i .
A S P I D I U M L O N C H I T I S , S w a r t z .
H o lly -F e rn .
A s p i d i u m L o n c h i t i s ; — R o o t -s to ck stout, a scen din g, v e r y
ch a ffy ; s ta lk s short, clustered, b e ar in g la rg e fe r ru gin o u s sca les
intermixed w ith finer cha ff ; fronds evergreen, sub-coria ceous, s ix
to eighteen inches long, one to two and a h a lf inches wide, linear-
lanceolate, na rrowed moderately a t the base, acute o r acumina te
at the apex, pinnate ; pinnæ v e r y numerous, crowded, bro ad ly
lanceolate, falcate, spinulose-serra te, a cu te ; the low e r ones s ym m
etr ica lly t r ia n g u la r ; the upper ones s t ro n g ly auricled on the
upper side, and cuneate on the low e r ; so ri in a double row on
the pinnæ and the aur icle ; in du sium orbicula r, atta ched b y the
centre.
Aspidium Lonchitis, S w a r t z , in Schraders Journal, 1800, ii,, p. 3 0 .—
S p r e n g e l , Anieitung, p. 125 (Engl, version, p. 138). — S w a r t z ,
Syn. Fil., p. 43. — S ch k u h r , Krypt. Gew., p. 29, t. xxix. — W i l l d
enow , Sp. Pl., v., p. 224. — M e t t e n iu s , Fil. Hort. Lips., p. 88;
Phegopt. & Aspid., p. 4 1. — G r a y , Manual, ed. ii., etc.— H o o k e r ,
Brit. Ferns, t. ix. ; Sp. Fil., iv., p. 8. — H o o k e r & B a k e r , Syn.
Fil., p. 250. — M il d e , Eil. Eur. et Atlant., p. 104.
Polypodium Lonchitis, L in n æ u s , Sp, Pl., p. 1548.
Polystichum Lonchitis, R o th , “ Tent. FI. Germ., iii., p. 7 1 .”— S chott, Gen.
Fil. (with a plate giving details of structure). — P r e s l , Tent.
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