Portion of mature Frond, under side.
POLYPODIUM PERCUSSUM.
C.VVANILLES. K ü n z e . S w a r t z . K a u l f ü s s . W il l d e n o w .
R a d d i . L a n g s d o r f f a n d F i s c h e r . S p r e n g e l .
P L A T E X X . V O L . I I .
Pleopeltis permssa,
Polypodium cuspidatum,
“ avenium,
Phlebodium percussum,
D ryn a ria percussa,
Polypodium—Polypody.
P r e s l . H o o k e r a n d G e e v i l l e .
J . S m i t h . L i n k .
P e e s l .
D e s t a d x .
J . S m i t h . M o o e e a n d H o u l s t o n .
F e e .
Percussum—Stricken.
IiN THE S e c t i o n P l e o p e l t i s o f A l t i i o r s .
I ' l i E Polypodium percussum is a dwarf creeping species,
with bold, large fructification, which gives the frond a noble
appearance. I t perhaps requires more than ordinary care to
grow this species successfully. As a general^ ru le , the F erns
wilh creeping sori requ ire to be planted with the rhizomas
