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Southern Hemisphere to which it is more closely related, and
from some of these it would not be so easy to distinguish it.
A . Kratissii, from Natal Colony, is perhaps the most closely
allied, but the pinnæ are more one-sided, and are sharply
toothed only on the upper margin, the lower being entire. A
Oititense of Hooker (Second Century of Ferns, t. xx) is also
much like A . viride, but has an elongated slender creeping
root-stock, a narrowly winged rachis, and some other differences.
A . fragile, from Peru and the Hawaiian Islands, and A . fla -
belUfolium, from Australia and New Zealand, are also nearly
related to the fern here described.
There is in Silesia and Bohemia a fern almost exactly intermediate
between this species and A . Trichomanes, the A .
adulterimmi of Alilde. It has the thinner pinnules and the
wingless rachis of A . viride, but in the color of the stalk and
lower part of the rachis, as well as in the position of the sori,
it is like A . Trichomanes. Milde believed it to be certainly
a hybrid, but German botanists now regard it as a distinct
species. It is said never to grow in companv with A. viride.
Plate X X X V I., Fig. 4, is drawn from a plant of Asplenium viride
collected in Royston Park, Owen Sound, Ontario, Canada, by Mrs. Roy.
Furopean specimens are sometimes considerably larger.
Ih
P l a t e X X X V I . — F i g s . 5 , 6 .
A S P L EN IU M PA R V U LUM , M a r t . & G a l .
Lit t le E b o n y-Sp le enw o rt.
A s p l e n iu m p a r v u l u m : — Root-stock short, creeping; the
scales nearly black, very opaque and rigid ; stalks short, black
and shining like the rachis; fronds erect, rigid, four to ten
inches high, narrowly linear-oblanceolate, pinnate; pinnæ numerous,
rigid-chartaceous, mostly opposite in pairs, nearly sessile,
more or less deflexed, two to six lines long, oblong, obtuse,
entire or crenulate, auricled on the upper side of the base, the
lower ones auricled on both sides, gradually shorter, and more
deflexed; sori oblong, midway between the midrib and the
margin.
Asplenium parvidum. M a r t en s & G.a.l e o it i , Syn. Fil. Mex., p. 60, t. 15,
f. 3 .— F e e , Gen. Fil., p. 19 2 ; Cat. Fil. Mex., p. 15 .— F aton,
Ferns of the South-west, ined.
Asplenium resiliens, K u n z e , in Linnæa, xviii., p. 3 3 1 .— L ie bm a n n , Mex.
Bregn., p. 88 . — F o u r n ie r , PI. Mex., Crypt., p. 10 3 .
Asplenium trichomanoides, K u n z e , in Silliman’s Journal, July, 18 4 8 , p.
85,— M e t t e n iu s , Asplenium, p. 1 3 7 (not of M ic h a u x , which
is A . ebeneum).
Asplenium ebeneum, var. minus, H o o k e r , Sp. Fil., iii., p. 139-
Asplenium ebeneum, F a to n , in Botany of Mexican Boundary, p. 235.