y i -
= ■! f ;
P T E R I S T E R N I F O L I A .
F ILICES .—G y iia tæ . B r . P o ly p o d ia c e îe . K a u l f . F i i i o e s veræ. Willd.
G e n . C h a r . P T E R I S , L in n . S m i lin e iir e s , m a r g in a lo s , c o n t ln n i ; c a p su lis s in u in v o lu c r i i
s e r t is . I n v o lu c r u m m a r g in a le , c o n t in u um , s c a r io s um , in tu s lib e r um . B r .
P t e r i s te r n ifo l ia : f r o n d e b ip in n a t a sn b c o r ia c c a g la b r a , f o liis t c r n a t is lin e a r ib u s m a r g in e r c v o lu tis
sum m is b in a t is s im p lic ib u sq u e .
P t e r is t e r n if o lia . C a v a n . P r oe l . 1 8 0 1 . n . 6 5 7 -
P t e r is p e r u v ia n a . P o i r . in E n c y c l . B o i . v . 5 . p . 7 1 8 . ( 1 8 0 5 .) S p r e n g . S y s l . V e g e t . v . 4 . p . 7 8 .
P t e r is su b v e r t ic illa ta . S w a r t z . S y n . E i l . p . 1 0 3 . W i l l d . S p . P l . v . 5 . p . 3 7 5 .
P t e r is t e r n a ta . M e n z i e s M S S .
H a b . I n in s u l is S a n d v ic c n s ib u s . M e n z i e s . P e r u . J o s . J u s s i e u ; C a v a n ill e s . I n im ir is a n t i-
q u is e t æ d if ic iis p r o p e u r b em Q u it o . D . P r o f . G u l. J a m e s o n . I n fis s iir is r u p inm , apu d
S ie r r a do A c h ir a s c t E l M o r o , A n d im n M e r id io n a liu m . J . G illi e s , M .D .
R a d ix e fibris paucis, villosis.
P la n ta coespitosæ crescunt.
S tip e s digitalis, erectus, teres, atro-fascus, nitidissimns, inferne solummodo paleaceo-sqnnmosus, squamis lanceolatis,
atris, fusco-marginatis, iaciniatis, pibs immixtis.
F rons lineari-lanceolata, bipinnata, pinnis oppositis, ternis, sessUibus, supremis binis vel simplicibus, singula v ix
pollicem longa, lineari, acuta, margine revoluta, omnino glabra, superne medio canaliculata. R a c h is teres,
atro-fusca, nitidissima.
iSori marginales, continui.
Involucrum latiusculum, inflexum, e margine frondis formatum.
C a p su la pedicellatoe.
Semin a exacte sphoerlca, fosca.
Fig . 1. Portio pinnoe, cum sori. f. 2. Capsulæ. f. S. Semina mag«.
I d o n o t k n o w w h y t h e sp e c if ic n am e o f S w a r tz fo r t h is p la n t , P t . v e r ti c il la ta ; o r th a t o f
P o ir c t , P t . p e r u v ia n a , s h o u ld b e p r e fe r r ed t o th a t o f C a v a n ille s , w h ic h is a n t e r io r in p o in t o f d a t e ,
a n d adm ir a b ly e x p r e s s iv e o f th e c u r io u s s t r u c tu r e o f t h e p in n æ o f t in s p la n t .
T h e sp e c ie s s e em s t o b e c o n f in e d t o t h e w e s t e r n s id e o f t h e g r e a t c o n t in e n t o f S o u t h A m e r ic a ,
e x t e n d in g , h o w e v e r , f r om Q u it o t o t h e p a r a lle l o f M e n d o z a , a n d t o th e o p p o s it e is la n d s o f th e
S a n d w ic h g r o u p .
i !