Poi-lion of malui'c Frond upper side.
ASPLENIUM PRÆMORSUM,
SwAiiTZ. Sm ith . P resl. F e e . P i.ukexet.
IT.ATl': AHI. A-Or,. AA
Asplenium eanaricnsc,
“ farcaium,
“ fíuncaíum,
“ erosum,
“ laceratum.
AVilldendw. K unze.
T it u n b e r g .
TIooker and G reville.
IIO E T .
H esvaux. H ooker and Gr ev il le .
A-splcnium—Splecii\vort. F roeniorsiim—rS Ou^gciX-x>o\\iiA.
In t h e S e c t io n A c r o p t e r is o p A u t h o r s .
P e r n s g r o w so d if f e r e n tly in d is s im i la r c lim a te s a n d lo c a li tie s ,
t h a t g r e a t d if f ic u lty is f r e q u e n t ly f e l t b y b o ta n is ts , Avhcn f o rm in g
t h e i r o iiiiiio ii a s to Avhothcr c e r t a in ii la n t s a r c r e a l ly d is tin c t
s p e c ie s , o r h a v e o n ly v a r i e d f rom th e n o jo u a l f o rm , oAving to
lo c a l c i r c um s ta n c e s . T h e p r e s e n t s p e c ie s so c lo s e ly a p iir o a c h e s
t l i a t o f s e v e r a l o th e r s , t l i a t i t s e em s p r o b a b l e th a t th e v a r io u s
fo rm s s u c h a s Asplénium canariense, A . furca tum, A .præmorsum,
e t c ., a r e m e r e ly v a r i e t i e s o f o n e P e r n . T o th e b o t a n i s t tliis
is v e r y p e r p l e x in g , a n d r e q u i r e s a t h o r o u g h k n oA v led g e o f a ll
th e P e r n s in th e Avorld, in o r d e r to fo rm a tru stA V o rth y o p in io n
o f e a c h ¡ jla n t ; fo r i f avo o n ly t u r n to th e m a n y v a r i e d fo rm s
Avhich s e e d l in g s h a v e a s s um e d f rom Scolopendrhmi vulejare, Pohj-
VOL. V. G