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194 DICTYOXIPHIUM PANAMENSE.
from two inclies to two inches and a half. Costa stout, being
p romin en t on both sides of the fro n d , and ebeneous.
F o r fronds my obligations are due to Mr. J . Smith, Curator
of the Royal Gardens, K ew ; Mr. 11. IMoore, of the Glasnevin
Botanic G a rd en s; Mr. Ve itch , o f the F x o tic N u r s e ry , Chelsea;
and Mr. Sim, of F o o t’s Cray.
I t may be p ro cu red of Messrs. Ve itch , of Chelsea; Sim, of
F o o t’s C ra y ; Rollisson, of T o o tin g ; and Ja ck so n , of Kingston.
The illustrations are from Mr. V e itch ’s fronds.
DICTYOXIPHIUM. 191
LINDSyE yE.
H a v in g s p o r a n g i f e r o u s r e c e p t a c l e s , c o m b in e d , f o rm in g a l i n e a r ,
c o n t in u o u s , o r i n t e r r u p t e d m a r g in a l s o ru s .
GENUS I.
D IC T Y O X IP H IU M . H o o k e r .
R e p r e s e n t e d b y a solitary species, th e Dic tyo x ip h ium P a namense.
F ro n d s ensiforme, simple, th e fertile ones contracted. Sori
lin e a r and continuous, forming a marginal b e lt on e ith e r edge
of the frond. Veins compoundly-anastomosing, and internal.
T h e h abit and general appearance of th e p lan t (excepting as
regards the sori) not u n lik e P olyp o d ium irioides.
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