Pinna of fertile Frond—under side.
BLECHNUM POLYPODIOIDES.
R a d d i . K h n z e . J . S m i t h . L e i b m a n n .
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P L A T E X X X IV . VOL . IV .
Blechnum unilaterale. W i l l d e n o w . F e e .
Blechnum—F rom Blechnon, th e Greek name for a F e rn .
Polypodioides—Polypodium-like.
A n e v e r g r e e n s to v e s p e c ie s .
Na tiv e of Mexico, Brazil, and P e ru .
In tro d u c e d into tire Royal Gardens, K ew , in 1848.
T h e fronds, which are tap e rin g , and only two inches wide,
are pinnatifid, except at the base, where p in n a te ; segments adnate,
falcate, or sub-falcate, auriculated upwards, and abbreviated and
coiiflnciit towards the short caudate a p ex ; costa and rachis
glanduloso-pubescent. Sori u n eq u a l at th e base, the uppermost
shorter.
Stipes sh o rt and glanduloso-puhesccnt, th e base covered with
narrow scales.
L e n g th of frond twelve to eighteen inches; colour deep green.
L or a p lan t my thanks are due to Mr. Lamb, g a rd en e r to
IMr. P . W rig h t, of Osmaston jManor; and for fronds to Mr.
Jo s ep h H en d e rso n , of IVcntworth.
The young fronds have th a t beautiful p in k h ue which is so
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