broad, roundish dark green pinnules, which are undulated at the
edges. An elegant dwarf-growing form.
=A. cardiochlæna= (heart-form indusium). A synonym of _A.
polyphyllum_.
=A. caudatum= (tailed).* _sti._ 2in. to 4in. long, tufted, wiry.
_fronds_ 6in. to 12in. long, simply pinnate, often elongated, and
rooting at the extremity; pinnæ about 1/2in. long, 1/4in. deep,
dimidiate, nearly sessile, the lower line straight and horizontal,
the upper rounded, more or less cut, the point usually blunt, the
lower ones slightly stalked. _sori_ roundish or transversely oblong
on the edge of the lobes; _rachis_ and both sides of the frond
villose. _A. ciliatum_ (of gardens) is probably a mere form, if
not a synonym, of this species. Throughout the Tropics everywhere.
Greenhouse or stove species; very fine for hanging baskets.
=A. colpodes= (deep hollow).* _sti._ 4in. to 6in. long, slender,
slightly fibrillose. _fronds_ 9in. to 18in. long, 4in. to 8in.
broad, deltoid, tripinnate, light green; lower pinnæ spreading at
right angles from the rachis, 2in. to 4in. long, 1-1/2in. broad,
slightly branched below; ultimate segments about 1/2in. long,
1/4in. broad, the lower line often straight, the upper rounded,
lobed, and toothed, all nearly or quite sessile. _sori_ placed
in distinct teeth of the outer edge. Ecuador and Peru, 1875.
Greenhouse species.
=A. concinnum= (neat).* _sti._ 4in. to 8in. long. _fronds_ 12in. to
18in. long, 6in. to 9in. broad, ovate-deltoid, tripinnate; pinnæ
numerous, spreading, flexuous, the lowest 4in. to 6in. long, 2in.
to 3in. broad; segments 1/4in. to 3/8in. across, broadly cuneate
at the base, the upper edge irregularly rounded, deeply lobed, the
lobes crenate, the lowest segment of each pinna and pinnule large,
sessile. _sori_ numerous, ob-reniform. Tropical America. A most
elegant species for baskets and the rockery.
=A. c. Flemingi= (Fleming's). This variety, of garden origin, is
also very handsome.
=A. c. latum= (broad).* Differs from the type in being more erect
and robust in habit, and broader in all its parts. It constitutes
an excellent stove plant.
=A. crenatum= (crenated).* _sti._ 6in. to 9in. long. _fronds_
with a terminal central pinna 6in. to 9in. long and several large
erecto-patent lateral ones on each side, the lowest of which are
branched again; segments about 1/2in. long, 1/4in. deep, dimidiate,
the lower line upcurved, the upper nearly straight, slightly
crenate. _sori_ numerous, round, placed on the upper and sometimes
outer edge. This is closely allied to _A. tetraphyllum_. Mexico.
Stove species. SYN. _A. Wilesianum_.
[Illustration: FIG. 27. ADIANTUM DECORUM.]
=A. cristatum= (crested). _sti._ 6in. to 12in. long, strong, erect,
tomentose. _fronds_ 1-1/2ft. to 3ft. long, 9in. to 12in. broad,
with a terminal central pinna 6in. to 9in. long, 1in. to 1-1/2in.
broad, and numerous rather distant lateral ones on each side, the
lowest of which are sometimes again branched; segments 1/2in. to
3/4in. long, 1/4in. to 3/8in. broad, dimidiate, the lower line
nearly straight, the upper nearly parallel or rounded, the point
blunt. _sori_ in several oblong or linear patches. West Indies and
Venezuela, 1844. Stove species. SYN. _A. Kunzeanum_.
=A. cubense= (Cuba).* _sti._ 4in. to 8in. long, nearly black,
erect. _fronds_ 6in. to 12in. long, 2in. to 4in. broad, simply
pinnate, or with a single pair of short branches; pinnæ 1in. to
2in. long, and about 3/4in. to 1in. broad, unilateral, the lower
line slightly recurved, the upper rounded and broadly lobed, of
a deep green colour, with a soft herbaceous texture. _sori_ in
hollows of the lobes. Cuba and Jamaica. A very distinct stove
species.
=A. cuneatum= (wedge-shaped).* _sti._ 6in. to 9in. long, slender,
erect. _fronds_ 9in. to 18in. long, 6in. to 9in. broad, deltoid,
tri- or quadripinnate; lower pinnæ 4in. to 6in. long, 2in. to 3in.
broad; segments numerous, 1/4in. to 3/8in. broad, cuneate at the
base, the upper edge deeply lobed. _sori_ four to six, obversely
reniform. Brazil, 1820. This fine greenhouse species is more
generally grown than any other; and a number of garden forms have
received distinctive names.
=A. c. dissectum= (dissected).* A pretty variety, with the pinnules
more deeply lobed than in the type.
=A. c. Lawsonianum= (Lawson's). This is a very abnormal form,
curiously and finely cut, with the ultimate segments narrowly
cuneate at the base, stalked, and distant. Of garden origin.
Greenhouse variety.
=A. c. mundulum= (neat).* _sti._ 3in. to 4in. high. _fronds_ dwarf,
tufted, erect, hardly 3in. broad, deltoid, tripinnate; pinnæ and
pinnules crowded; pinnules narrowly cuneate, rarely three-parted,
with narrow wedge-shaped lobes; apex slightly crenate, and bears a
roundish sorus set in a notch of the lobe or crenature. Of garden
origin, 1879. Greenhouse variety.
=A. Cunninghami= (Cunningham's). Synonymous with _A. affine_.
=A. curvatum= (curved).* _sti._ 6in. to 12in. long. _fronds_
dichotomous, with main divisions again once or twice forked;
pinnæ 8in. to 12in. long, 2in. to 3in. broad; pinnules 1-1/4in.
to 1-1/2in. long, about 1/2in. deep, not truly dimidiate, but
only the lower two-thirds of the under half cut away, the upper
margin rounded and broadly lobed, with the lobes finely toothed and
point often lengthened out. _sori_ linear, or transversely oblong.
Tropical America, 1841. Stove species.
=A. decorum= (decorous).* _sti._ 4in. to 6in. long. _fronds_
sub-deltoid, 9in. to 15in. long, three to four pinnate; lower
pinnæ and pinnules stalked, deltoid; side segments rhomboid,
1/4in. to 3/8in. long; outer edge distinctly lobed; lower segments
equilateral, imbricated over main rachis. _sori_ round, in final
lobes, four to six to a segment. This greenhouse species ranks
midway between _A. concinnum_ and _A. cuneatum_. Peru. SYN. _A.
Wagneri_. See Fig. 27.
=A. deltoideum= (deltoid).* _sti._ densely tufted, 3in. to 4in.
long, wiry, erect. _fronds_ 4in. to 6in. long, 3/4in. broad,
with a terminal lobe and numerous sub-opposite pinnæ, the lower
ones distant, distinctly stalked, 1/2in. long, 1/4in. to 3/8in.
broad, hastate-deltoid, cordate or cuneate at the base. _sori_
in interrupted lines along the sides of the pinnæ. West Indian
Islands. Stove species.
[Illustration: FIG. 28. ADIANTUM DIAPHANUM.]
=A. diaphanum= (transparent).* _sti._ 4in. to 8in. long, slender,
erect. _fronds_ 6in. to 7in. long, simply pinnate, or with one to
three branches at the base; pinnules 1/2in. long, 1/4in. broad,
the lower line rather decurved, the upper nearly parallel with
it, crenate like the blunt outer edge. _sori_ obversely reniform,
numerous. S.E. China, New Zealand, &c. Greenhouse species. SYN. _A.
setulosum_. See Fig. 28.
=A. digitatum= (finger-leaved).* _sti._ 12in. to 18in. long, erect.
_fronds_ 1ft. to 3ft. long, 6in. to 1ft. 6in. broad, furnished with
numerous distant spreading or erecto-patent branches, gradually
shortened upwards, the lowest of which are branched again; lower
pinnæ 6in. to 9in. long, 3in. to 4in. broad; segments 3/4in. to
1in. each way, varying from deflexed to cuneate at the base, the
upper edge rounded, deeply cut, and the lobes again less deeply
cut, the lower ones distinctly stalked. _sori_ in lines along the
edge of the lobes. Peru. It is generally cultivated under the name
of _A. speciosum_. Stove or greenhouse species.
=A. dolabriforme= (axe-shaped). Synonymous with _A. lunulatum_.
=A. dolosum= (deceiving). Synonymous with _A. Wilsoni_.
=A. Edgworthii= (Edgeworth's).* This differs from _caudatum_ by
having more membranous texture, glabrous surfaces, and sub-entire
pinnæ. Himalaya and China.
=A. emarginatum= (notched at the end). Synonymous with _A.
æthiopicum_.
=A. excisum= (bluntly cut).* _sti._ 2in. to 3in. long, wiry,
densely tufted. _fronds_ 6in. to 18in. long, 3in. to 6in. broad,
with numerous flexuose short pinnæ on each side, the lowest of
which are slightly branched again; segments two to three lines
broad, cuneate at the base, the upper edge rounded and bluntly
lobed. _sori_ two to four, large, obversely reniform, placed in
distinct hollows on the lobes. Chili.
=A. e. Leyi= (Ley's).* This is a very dwarf, copiously crested
form, of garden origin, most suitable for case culture. Greenhouse
variety.
=A. e. multifidum= (much-cut).* A handsome garden variety; the apex
of every frond is frequently divided into several branches, which
oftentimes are again divided and crested, thus forming a beautiful
tassel 2in. to 3in. long. Greenhouse species.
=A. Feei= (Fee's).* _sti._ 12in. to 18in. long, strong, scandent.
_fronds_ 1ft. to 2ft. long, 1ft. or more broad, tripinnate, the
main and secondary rachises zigzag, all the branches firm and
spreading at a right angle; lower pinnæ 6in. to 9in. long, 3in. to
4in. broad; pinnules 1in. to 2in. long, 1/2in. broad, consisting of
a terminal segment and several distant suborbicular-cuneate lateral
ones. _sori_ marginal, roundish, more than half line deep. Tropical
America. Stove species. SYN. _A. flexuosum_.
=A. flabellulatum= (small fan-leaved).* _sti._ erect, strong.
_fronds_ dichotomously branched, and the divisions once or twice
branched again; central pinnæ 4in. to 8in. long, 3/4in. broad;
pinnules about 1/4in. broad and deep, dimidiate, the lower edge
nearly straight, the upper rounded, the outer blunt, both entire or
slightly toothed. _sori_ in several transversely oblong notches.
Tropical Asia. Stove species. SYN. _A. amœnum_.
=A. flexuosum= (zigzagly-bent). Synonymous with _A. Feei_.
=A. formosum= (beautiful).* _sti._ 12in. to 18in. long, strong,
erect. _fronds_ 18in. to 24in. long, 12in. to 18in. broad, bi-,
tri-, or quadripinnate; lower pinnæ 12in. to 15in. long, 6in. to
9in. broad, deltoid; pinnules deltoid; ultimate segments 1/4in.
to 3/8in. broad, one and a half to two lines deep, dimidiate, the
lower edge straight, the upper and outer rather rounded and deeply
lobed, the lower ones distinctly stalked. _sori_ numerous, between
obreniform and transversely oblong. Australia, 1820. Greenhouse
species.
=A. fovearum.= Synonymous with _A. intermedium_.
=A. fulvum= (tawny).* _sti._ 6in. to 9in. long, strong, erect.
_fronds_ 9in. to 12in. long, 6in. to 8in. broad, deltoid in general
outline, with a terminal pinna 4in. to 6in. long, about 1-1/2in.
broad, and several erecto-patent branches, the lower of which are
branched again; pinnules about 3/4in. long, 1/4in. deep, dimidiate,
the lower edge nearly straight, the upper almost parallel, sharply
toothed like the oblique outer edge. _sori_ large, numerous. New
Zealand. Greenhouse species.
=A. Ghiesbreghti= (Ghiesbreght's).* _fronds_ 18in. to 30in. long,
ovate, deltoid, tripinnate; pinnules large, slightly crenate on
the margins. A very fine stove fern, with the habit of _A. tenerum
Farleyense_, but less dense. It is undoubtedly a variety of
_tenerum_, having originated in Mr. Williams's nursery some years
since. SYN. _A. scutum_.
=A. glaucophyllum= (grey-leaved).* _sti._ 6in. to 9in. long,
erect. _fronds_ 12in. to 24in. long, 9in. to 15in. broad, deltoid,
quadripinnate; lower pinnæ 6in. to 9in. long, 3in. to 6in. broad,
deltoid, erecto-patent; segments 1/4in. broad, cuneate at the base,
the upper edge irregularly rounded, more or less lobed. _sori_ four
to six, obversely reniform, placed in distinct hollows in the apex
of the lobes of the upper edge, deep green above, glaucous beneath.
Closely allied to _A. cuneatum_. Mexico. Greenhouse. SYNS. _A.
amabile_, _A. andicolum_, _A. mexicanum_.
=A. gracillimum= (most graceful).* _fronds_ deltoidly ovate, 9in.
to 24in. long, and 6in. to 10in. across, decompound, rich green;
ultimate pinnules distant, minute, distinctly stalked, obovate,
emarginate, or two to three lobed, the sterile lobes blunt. _sori_
solitary on the entire pinnules, two to three on the larger lobed
ones. One of the most graceful and beautiful of greenhouse ferns;
the very numerous minute segments and the ramifications of the
rachis impart to a well grown plant a very charming appearance. Of
garden origin. A form of _A. cuneatum_.
=A. Henslovianum= (Henslow's).* _sti._ 6in. to 12in. long,
erect. _fronds_ 12in. to 18in. long, 6in. to 9in. broad, ovate,
tripinnate, furnished with numerous distant pinnæ on each side,
the upper of which are simple, but the lowest slightly branched;
segments 1/2in. to 3/4in. broad, 1/4in. to 3/8in. deep, dimidiate,
the lower line nearly straight, the upper rather rounded and lobed,
the point bluntly rounded. _sori_ obversely reniform, placed in the
hollows of the lobes. Columbia, Peru, &c., 1833. A most distinct
and beautiful stove species. SYNS. _A. lætum_, _A. Reichenbachii_,
_A. sessilifolium_.
=A. Hewardia= (Heward's). _sti._ 6in. to 9in. long, erect. _fronds_
simply pinnate or bipinnate, with a terminal pinna and two to four
lateral ones on each side, the lowest pair of which sometimes with
two to four pinnules each; pinnules 3in. to 4in. long, about 1in.
broad, nearly equal sided, ovate lanceolate, nearly entire. _sori_
in continuous lines along both edges. Jamaica, &c., occurring over
a wide area. Stove species. SYN. _Hewardia adiantoides_.
=A. hispidulum= (hairyish).* _sti._ 6in. to 15in. long, strong,
erect. _fronds_ dichotomous, with the main divisions flabellately
branched; central pinnæ 6in. to 9in. long, 1/2in. to 1in. broad;
pinnules 3/8in. to 3/4in. long, two to four lines broad, dimidiate,
subrhomboidal, the outer edge bluntly rounded, upper and outer
margin finely toothed, slightly stalked. _sori_ roundish, numerous,
contiguous. Tropics of Old World, 1822. Greenhouse. SYN. _A.
pubescens_.
=A. intermedium= (intermediate). _sti._ 6in. to 12in. long, erect,
strong. _fronds_ with a terminal pinna 6in. to 9in. long, 2in.
to 3in. broad, and one to three small spreading lateral ones on
each side; pinnules 1in. to 1-1/2in. long; 1/4in. to 1/2in. broad,
unequal sided, but not dimidiate, the point bluntish or acute,
the inner edge nearly parallel with the stem, the upper nearly
straight, scarcely toothed. _sori_ in interrupted marginal patches,
one to two lines across, placed round the upper and lower edges.
Stove. Tropical America, from the Antilles southwards to Peru and
Rio Janeiro, 1824. SYNS. _A. fovearum_, _A. triangulatum_.
=A. Kunzeanum= (Kunze's). Synonymous with _A. cristatum_.
=A. lætum= (joyful). Synonymous with _A. Henslovianum_.
=A. Lathomi= (Lathom's).* A garden variety, said to be a sport from
_A. Ghiesbreghti_, which it closely resembles, being between it and
_A. Farleyense_. It is a magnificent plant, producing _fronds_ from
18in. to 24in. long, with imbricated deeply-cut pinnules. Stove
variety.
=A. Legrandi= (Legrand's). Very closely allied to, if not identical
with, _A. Pecottei_. Greenhouse variety, of garden origin.
=A. Lindeni= (Linden's).* _sti._ black, naked. _fronds_ erect,
large, pentagonal, tripinnate; rachises pubescent above, naked
beneath; segments sub-distant, 1-1/2in. long, oblong-rhomboidal,
falcate, acuminate, outer margins closely but bluntly lobed, of a
deep green colour, the lobes toothed. _sori_ oblong or reniform.
Amazons, 1866. A magnificent stove species.
=A. lucidum= (shiny).* _sti._ 6in. to 9in. long, strong, erect.
_fronds_ 9in. to 15in. long, 4in. to 8in. broad, simply pinnate,
with a large terminal pinna and six to ten lateral ones on each
side, or the lowest very slightly branched, 3in. to 4in. long,
1/2in. to 1in. broad, nearly equal sided, lanceolate acuminate,
slightly serrated towards the point. _sori_ in a continuous row
along each side. West Indian Islands and Tropical America. Stove
species.
[Illustration: FIG. 29. ADIANTUM LUDDEMANNIANUM.]
=A. Luddemannianum= (Luddemann's).* A very striking variety of
the common Maidenhair, _A. Capillus-Veneris_, of garden origin,
with smooth, dark, almost black stipes, branching about a third
of the way up, while the pinnules are crested, usually clustered,
at the extremities of the branches, of a deep green, sub-glaucous
character. It is a very elegant little greenhouse variety. See Fig.
29.
=A. lunulatum= (crescent-leaved).* _sti._ 4in. to 6in. long,
tufted, wiry. _fronds_ 6in. to 12in. long, 1in. to 2in. broad,
simply pinnate; pinnæ 3/4in. to 1in. broad, 1/2in. to 1in. deep,
sub-dimidiate, the lower edge nearly in a line with the petiole,
the upper edge rounded and, like the sides, usually more or less
lobed. _sori_ in continuous lines along the edge. Hongkong, &c.,
widely distributed in both hemispheres. Stove species. SYN. _A.
dolabriforme_.
=A. macrocladum= (long-branched). Synonymous with _A. polyphyllum_.
=A. macrophyllum= (long-leaved).* _sti._ 6in. to 12in. long,
strong, erect, nearly black. _fronds_ 9in. to 15in. long, 4in. to
8in. broad, simply pinnate; the lower pinnæ of the barren frond
3in. to 4in. long, 2in. broad, ovate, so broad at the base that the
opposite ones frequently overlap, the margin rather deeply lobed;
fertile ones narrower. _sori_ in long continuous, or slightly
interrupted, marginal lines. Tropical America, 1793. One of the
finest stove species in cultivation.
=A. macropterum= (long-winged). Synonymous with _A. Wilsoni_.
=A. mexicanum= (Mexican). Synonymous with _A. glaucophyllum_.
=A. microphyllum= (short-leaved). A synonym of _A. venustum_.
=A. monochlamys= (one-covered).* _sti._ 6in. to 9in. long, wiry,
erect, dark, chestnut brown; _fronds_ 6in. to 12in. long, 4in. to
6in. broad, ovate-deltoid, tripinnate, the pinnæ rather distantly
placed; segments 1/4in. broad, cuneate at the base, the upper edge
rounded, slightly toothed, of a light green colour, with a firm
texture. _sori_ single, or very rarely two, in a hollow of the
upper edge. Japan. A very distinct and pretty greenhouse species.
=A. monosorum= (uni-soriate). A pretty species, from Solomon
Islands, not yet in cultivation.
=A. Moorei= (Moore's).* _sti._ 6in. to 8in. long. _fronds_ deltoid,
6in. to 15in. long, two to three pinnate; side segments about
1/2in. long, rhomboid, lower edge deflexed from tip of pedicel,
outer lobed half way down. _sori_ round, placed in tip of lobes.
Andes of Peru. Stove or greenhouse species. SYN. _A. amabile_,
under which name it is frequently grown.
=A. Moritzianum= (Moritz's). This appears to be a stronger, more
robust grower (fronds from 12in. to 18in. high), with thicker
stipes and larger pinnules than the typical _A. Capillus-Veneris_.
South America. Greenhouse species.
=A. neoguineense= (New Guinea).* _sti._ 6in. to 8in. long, chestnut
brown, erect. _fronds_ spreading, deltoid, tri-quadripinnate, dark
olive green with a glaucous tinge on both surfaces; pinnæ ovate;
terminal pinnules cuneate, lateral ones trapezoid, about 1/2in.
long, crenately lobed, the lobes rather large, entire. _sori_
small, 6in. to 8in., orbicular, entirely sunk in closed sinuses of
the marginal lobes. New Guinea, 1877. A very charming stove species.
=A. obliquum= (oblique). _sti._ 3in. to 6in. long, erect, wiry,
pubescent. _fronds_ 6in. to 12in. long, 2in. to 4in. broad, with
a terminal lobe and three to twelve pairs of alternate pinnæ, the
lowest 1in. to 2in. long, 1/2in. to 3/4in. broad, costate nearly
to the apex, the upper half the largest, rounded at the base, the
lower half obliquely truncate at the base, those of the barren
frond slightly toothed. _sori_ in numerous interrupted marginal
patches, one to two lines broad. West Indies, &c., 1826. Stove
species.
=A. palmatum= (palmate).* _fronds_ with elongated zigzag rachises,
elongate-oblong, narrowed to the apex, tripinnate, often reaching
3-1/2ft. long, 10in. broad; pinnules distinct; ultimate segments
large, smooth, distant, distinctly stipitate, varying from obovate
wedge-shaped to semi-orbicular in outline, but all deeply,
palmately cut, 1in. to 1-3/4in. broad. _sori_ oblong, variable in
length, situate at the tips of the segments, usually one to each.
This is a very beautiful and graceful stove or greenhouse species.
Peru, 1877.
=A. patens= (spreading). _sti._ 6in. to 9in. long, erect. _fronds_
dichotomously divided and the branches once or twice divided again;
central pinnæ 6in. to 9in. long, 1-1/2in. broad; pinnules 1/2in. to
3/4in. long, 1/4in. deep, dimidiate, the two sides nearly parallel,
the upper and outer ones broadly and bluntly lobed. _sori_ placed
round the upper and outer edge, obversely reniform. Brazil, &c.,
1824. Stove species.
=A. Pecottei= (Pecot's).* This is a charming little variety, of
garden origin, with short decompound fronds, imbricated segments,
comparatively large, of a deep green colour, and likely to prove
one of the most useful maidenhair ferns grown.
=A. pedatum= (pedate).* _sti._ 9in. to 24in. long, erect, polished.
_fronds_ dichotomous, with the main divisions flabellately
branched; central pinnæ 6in. to 12in. long, 1in. to 1-1/2in. broad;
pinnules 1/2in. to 3/4in. long, 1/4in. deep, dimidiate, broadest
on the side nearest the stem, the upper and outer margin lobed,
shortly stalked. _sori_ roundish, one to two lines broad. North
Hindostan, the United States, &c. Hardy species. See Fig. 30.
=A. peruvianum= (Peruvian).* _sti._ 9in. to 18in. long, strong,
erect. _fronds_ simply pinnate, or with one to three branches at
the base, some of the latter sometimes again slightly divided;
pinnules 2in. or more broad, 1-1/2in. deep, unequally ovate,
cuneate at base, finely toothed and lobed round the upper and
outer edge. _sori_ in interrupted patches round the sides of the
pinnules. Peru. This is one of the finest of the large growing,
evergreen stove kinds.
=A. polyphyllum= (many-leaved).* _sti._ 12in. to 18in. long,
strong, erect. _fronds_ 2ft. to 3ft. long, 12in. to 18in. broad,
the upper part simply pinnate; lower pinnæ sometimes 1ft. long;
6in. broad, with a long terminal and numerous lateral pinnules;
segments 3/4in. to 1in. long, 1/4in. deep, dimidiate, with nearly
parallel edges, the point obtuse, the upper edge sharply toothed.
_sori_ in numerous sub-orbicular patches, placed in hollows in
lobes along the upper edge. Columbia. A magnificent stove species.
SYNS. _A. cardiochlæna_ and _A. macrocladum_.
=A. populifolium= (poplar-leaved). A synonym of _A. Seemanni_.
=A. princeps= (princely).* _sti._ 9in. to 12in. long, stout,
nearly erect. _fronds_ large, 12in. to 24in. long, 9in. to 18in.
across the base, deltoid, pendent, quadripinnate, pale greyish;
lower pinnæ obliquely elongate, triangular, the posterior side
tripinnate, the anterior bipinnate; upper ones pinnate, with
a large cuneately flabellate terminal pinnule, apex of fronds
pinnate; pinnules 1in. long, 3/4in. broad, roundish rhomboidal or
shortly trapeziform, shortly stalked; basal margin entire, slightly
concave, the anterior margins and apex lobate, the lobes serrulate
in the sterile parts, and, where fertile, bearing each a concave
sorus, so that the lobes appear two-horned. New Grenada, 1875. A
magnificent stove species.
=A. prionophyllum= (saw-leaved). Synonymous with _A. tetraphyllum_.
=A. pubescens= (downy). Synonymous with _A. hispidulum_.
=A. pulverulentum= (covered with powder).* _sti._ 6in. to 12in.
long, strong, erect; _fronds_ with a terminal pinna and several
spreading lateral ones on each side, which are 4in. to 8in. long,
1in. broad; pinnules 1/2in. long, one and a half to two lines deep,
dimidiate, the lower line nearly straight, the upper one nearly
parallel, both it and the outer edge finely toothed. _sori_ in a
continuous line along the lower and upper edges. West Indies, &c.
Stove species.
[Illustration: FIG. 30. ADIANTUM PEDATUM.]
=A. Reichenbachii= (Reichenbach's). Synonymous with _A.
Henslovianum_.