P O L Y P O D I U M T E T R A G O N U M .
XLVI
P o r t i o n o f m a tu r e F r o n d .
POLYPODIUM TETRAGONUM.
S w a e t z . K u n z e . L in n æ u s . S c h k u h r .
p l a t e X L A 'I .
A sp id ium cicutarium,
Polypodium suhtetrayonum,
“ Smitk ianum,
Ooniopteris tetragona,
“ subtetragonum,
O r G a r d e n s .
L i n k .
H e w a e d .
P e e s l . P e e .
P e e s l . P e e .
Polypodium— Poljpo&g. Tetragonum— Powt-tcagleà.
I n t h e S e c t i o n G o n i o p t e r i s o f A u t h o r s .
A FIA N D SOM E F e rn , seldom to be found in any excepting the
best collections.
In tro d u c ed into the Royal Gardens, Kew, from the Eoyal
Gardens of Be rlin, in the ye a r 1841.
An evergreen stove species.
A native of South America and th e AYest Indies.
Best known as the Goniopteris tetragona.
Caudex short, creeping, with termina l adhe ren t fronds.
Fro n d s of two kinds, the b arren shorter, more spreading, with
broader pinnæ and pinnules, the fertile more erect, ta ller, and
somewhat contracted. Sterile fronds ovate, often broad at the