A very attractive species bearing both barren and fertile fronds. The
former in their general appearance certainly bear a resemblance to
Parsley. The Parsley Fern has a thick root-stock from which the fronds
grow up in tufts. The barren fronds, which will be considered first, grow
to the height of about six to nine inches. The stipes is somewhat longer
than the rachis, and it is of a whity-green colour. The outline of the
barren frond is roughly triangular, the apex of the leaf being rather
blunt. The pinnæ are placed alternately on either side of the main stem,
and these bear pinnules which have their margins deeply cut. In very
large specimens the fronds may be divided three times. The barren fronds
grow on the outside of the tuft. The fertile frond is somewhat taller
than the barren leaf, to which it bears a resemblance in its general
form. The pinnæ, of course, are very much restricted. At first the sori
are rounded, but as they mature they spread so as to form almost unbroken
lines round the margins of the pinnules. The sori have indusia, but this
is hidden by the margin of the pinnules, which are recurved.
There are few more local species than the Parsley Fern. The plant loves
to grow amongst rocks which are often scattered about on the slopes of
mountains. Its two chief strongholds seem to be the Snowdon district in
Wales and the mountainous parts of Cumberland. In some localities of
these districts the plant grows in the greatest abundance, happily often
out of the reach of the tourist. The Parsley Fern has also been recorded
in the West of England, and it occurs in Scotland. It is easily
cultivated, if the fact is borne in mind that it is a rock species
needing good drainage. It loses its bright, pretty colouring in a sunny
position. The Parsley Fern sends up its green fronds in the month of May,
and the fertile leaves follow soon after. The foliage disappears in the
winter.
CHAPTER VI
THE MALE FERN AND ITS RELATIVES
Apart from the Bracken Fern which, as we have seen, is abundant almost
everywhere, there are few ferns more common than certain of the leading
members of the sub-order Aspidieæ. The British representatives of this
sub-order include the important genus _Nephrodium_, of which the Male
Fern is the leading example. In addition we have the Shield Ferns
(_Aspidium_), and also some interesting species gathered together under
the genera _Woodsia_ and _Cystopteris_.
_Nephrodium Filix-mas._ The generic name is derived from the Greek
_nephros_, “a kidney,” this having reference to the kidney-shaped indusia
which is typical of the genus; _Filix-mas_, of course, is a name formed
of two Latin words, _filix_, “a fern,” and _mas_, “a male.” In some books
the species is called _Lastrea Filix-mas_, and _Aspidium Filix-mas_. The
Male Fern.
[Illustration: Nephrodium filix-mas. The Male Fern.]
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