Portion of mature Froiia, under side, shewing the highest barren and lowest fertile pinnic.
ASPIDIUM ACKOSTICHOIDES.
S w a r t z . K u n z e .
VLAT-E XIX. VOL. VI.
Polystichum acrostichoides,
Aspidium auriculatum,
Nephrodium acrostichoides,
S c h o t t . M o o e e & H o u l s t o n .
S w a r t z . S c h k u h r . S m i t h .
W i l l d e n o w . L i n k . P r e s l .
S c h k u h r .
M ic h a u x .
;—The Shield Fern. Acrostichoides—................. ?
A PLEASING hardy Fern, easily cultivated, and very dissimilar
from all other species.
Native of North America.
First introduced into the Royal Gardens, Kew, in 1820.
Fronds pinnate, lanceolate; apex contracted where soriferous.
Pinnæ oblong-linear, acute, petiolate, auriculate on the upper
base, lower base obliquely truncate ; margin ciliato-serrate, with
lengthy spinulous hairs.
Rachis aud stipes squamulous. Terminal, being adherent to
a tufted rhizoma.
Sori confluent.
