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P l a t e L I . — F ig . 1 - 3 .
A S P L E N IU M M Y R IO PH Y L LUM , P r e s e .
Milfoil Spleenwort.
A s p l e n i u m m y r i o p h y l l u m : — Root-stock very short ;
stalks dark-brown, slender, one to three inches long ; rachis
green, very narrowly tving-margined ; fronds spreading, three to
eight inches long, delicately membranaceous, smooth, lanceolate
in outline, narrowed towards the base, twice or thrice pinnate ;
pinnæ closely placed, ovate-lanceolate ; pinnules two to four
hnes long, simple and obovate or obovate-oblong or else cut
into a few obovate segments; veins single in each pinnule
or segment, bearing on the upper side a somewhat elongated
solitary sorus ; indusium thin and delicate.
A sp len ium myriophyllum, P r e s l , Reliquiæ Hænkeanæ, i., p, 4 8 ; Tent.
Pterid., p. 10 8 . — E aton, in Chapman’s Flora, p. 593. — M o o r e ,
Index, p. 14 7 .
Coenopteris tnyriophylla, S w a r t z , FI. In d . Occ., p. 1 6 2 6 ; S y n . Fil., p . 88
{ Jid e Presi').
Aspleniutn- rhizophyllmn, v a r . myriophyllum. H o o k e r , S p . Fil., iii.,
p . 2 0 1 . — H o o k e r & B a k e r , S y n . F i l , p . 2 2 0 .
A sp len ium verecuiidum, Ci-i.ap.man, M S . — F o u r n i e r , Pi. M e x ., C r y p t .,
p . I I I .
A sp lejiium A uch o riia & A . piosillum, C iia lm a n , M S .
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