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2 0 6 FERNS OF NORTH AMERICA.
The specific name, andromedæfolia, undoubtedly has reference
to the revolute pinnules, often somewhat glaucous beneath.
In this respect they resemble the foliage of Androtneda folifolia,
though not in shape, as the leaves of the Azidromeda are usually
linear-lanceolate. Linnæus chose the name Andromeda for the
pretty ericaceous shrub of the North because it was so beautiful
of face (corolla), was fastened to a rock, environed by water
where he first found it in Lapland, surrounded by dragons (ref-
liles), and held up its most innocent arms (branches) piteously
to heaven, and so remained until most welcome Perseus (Ihe
summer szmshine), by drying up the floods of spring, should
release the fair prisoner.’- The Andromeda fern, too, is commonly
chained to a rock ; but in no other respect can we trace
an analogy to the daughter of Cassiope.
In cultivation at the East, Pellæa andromedæfolia becomes
larger, more compound, and has longer-stalked pinnæ and pinnules,
than in its native home.
Plate X X V II., Fig. i .— Pellæa andromedæfolia. From a specimen
collected near Santa Barbara by Mrs. Cooper. The fragment in fruit is
from a specimen from Monte Diablo.
‘ T h e curious reader is referred to F lo ra Lapponica, ed. ii., p. 13 3 , and to
L a che sis Lapponica, vol. i., pp. iS S , 189, fo r other details of this fanciful comparison.
FERNS OF NORTH AMERICA.
P l a t e XX VII. — F ig . 2.
P E L LÆ A F L E X U O S A , L ink.
Z ig z a g C liff-B rak e .
P e l l æ a f l e x u o s a : — Root-stock creeping, rather slender,
the scales narrow, rigid, brown, with a darker midrib ; stalk reddish
stramineous, several inches long, rigid, more or less furrowed
along the front, passing into a more or less flexuose or
zigzag rachis ; fronds from six inches to over two feet long,
ovate-oblong in outline, twice, or the larger ones thrice, pinnate
; secondary and tertiary rachises usually deflected and
zigzag, rusty-puberulent, or nearly smooth; pinnæ commonly
alternate; ultimate pinnules five to ten lines long, roundish-
ovate or sub-cordate, very obtuse, distinctly petiolulate, sub-
coriaceous, smooth, slightly glaucous beneath ; margin of the
fertile pinnules at first recurved and partly covering the sporangia,
at length flattened out.
Pellæa flexuosa, L in k , Fil. Hort. Berol., p. 6 0 . — H o o k e r , Sp. Fil., ii.,
p. 149. — F é e , Gen. Fil., p. 129. — F o u r n ie r , PI. Mex., Crypt.,
p. 118 .
Pteris flexuosa, K a u l fu s s , “ MS.,” an d in L in n æ a , v ., p. 6 14 ( e x c lu d in g
s y n o n ym y ) . — H o o k e r , I c. PL, t. 119.
Allosorus flexuosus, K a u l fu s s , “ MS.” — K u n z e , in Linnæa, x i ii ., p. 136.
— D ie Farrnk, i., p . 46, t. 23.
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