7 AN ENCYCLOPADIA OF HORTICULTURE. 133 
Asplenium— continued. : 
‘Jate, with twelve to twenty stalked horizontal pinne on each side, 
which are 2in. to šin. long, żin. to Zin, broad, acute ; edges slightly 
undulato-crenate, the upper side with a distinct auricle at the 
base, and then narrowed suddenly, the lower side obliquely trun- 
cate. sori distant, in two regular rows, falling short of the edge. 
West Indies, &c., 1838. Stove species. 
A. obtusilobum (obtuse-lobed).* sti. tufted, 2in to 4in. long. 
Jronds 4in. to 6in. long, 1żìn. to 2in. broad, with 
nine to twelve sub-deltoid pinnz on each side, of 
which only the inner third on the lower side is 
cut away, the largest nearly lin. long, fin. broad; 
lowest pinnules ŝin. deep, flabellately cut into 
three to five linear blunt lobes. sori sub-mar- 
ginal. New Hebrides, 1861. A very pretty little 
stove species, SYN. Darea obtusiloba. 
A. odontites (much-toothed), Synonymous with 
A. flaccidum. 
A. oxyphyilum (sharp-leaved).* sti. firm, 6in. 
to 12in. long. fronds lft. to 2ft. long, 6in. to 
12in. broad, lanceolate, with several pinne on 
each side, which are din. to 6in. long, lin. to 2in. 
broad ; pinnules lanceolate, in the larger forms 
again pinnatifid; teeth mucronate. sori in two 
rows on the pinnæ or pinnules midway between 
_ the midrib and edge. Himalayas. A very va- 
riable greenhouse species. SYNS. Athyrium oxy- 
phylla and Lastrea eburnea. 
A. paleaceum (scaly).* sti. densely tufted, lin. 
to 3in. long, spreading, densely scaly. fronds 6in. 
to Qin. long, lżin. to 2in. broad, sometimes pro- 
liferous and rooting at the apex, with twelve to 
twenty sub-sessile pinnz on each side, which are 
lin. long, about żin. broad, bluntish ; edge inciso- 
dentate, the upper base auricled and narrowed 
suddenly, the lower obliquely-truncate ; the lower 
ones stalked, and nearly as broad as long. sori 
linear, extending nearly to the edge. Tropical 
Australia. Stove or warm greenhouse species. 
A. palmatum (palmate). Synonymous with A. 
Hemionitis. 
a parvulum (small). Synonymous with A. tri- 
obum. 
A. persicifolium (Peach-leaved). sti. and rachis 
grey, with a few scattered minute grey scales. 
fronds oblong-lanceolate, 2ft. to 5ft. long, often 
gemmiferous at the apex; pinnz ascending, fifteen to thirty- 
jugate, sub-petiolate, 4in. to Sin, long, linear-ligulate-acumi- 
nate, 4in. to Zin. broad, distinctly crenate throughout, sori 
regular, reaching nearly to midrib and edge. Philippine and 
Sandwich Isles. Stove species. 
A. Petrarchz (Petrarch’s).* sti. densely tufted, lin. to 2in. 
long. fronds 2in. to Sin. long, żin. broad, linear-lanceolate, with 
six to ten horizontal sessile pinnz on each side, which are jin. long 
and nearly as much broad, cordate-ovate, blunt; edge sinuated ; 
the base unequal, slightly truncate on the lower side. sori 
oblong, very short, four to six on each side of the midrib. South 
tno 1819. A very rare little gem, best treated in a cool 
ouse. 
A. pinnatifidum (pinnatifid). sti. tufted, 2in. to 4in. long. 
Jronds 3in. to 6in. long, lin. or more broad at the base, lanceolate- 
deltoid, with a long, gradually narrowing point, which is sinuated 
only; the lobes below this jin. to din. deep; the lowest ovate- 
oblong, żin, deep by nearly as broad, sinuated and reaching down 
nearly to the rachis. sori copious. Pennsylvania. Greenhouse 
or sheltered places outside. 
A. planicaule (fiat-stiped).* sti, tufted, Sin. to 6in. long, naked. 
fronds bin, to 12in. long, 2in. to din. broad, with twelve to twenty 
stalked horizontal pinne on each side, which are lin. to 1}in. long, 
jin, to šin. broad, acute; edge lobed about half-way down, and 
deeply serrated. sori copious, reaching nearly to the edge. 
Himalayas, up to 6000ft., &c., 1841, Greenhouse species. 
A. plantagineum (Plantain-like). sti. tufted, 6in. to 9in. long. 
fronds 6in. to Yin, long, 2in. to 3in. broad, simple, acuminate, 
base rounded ; edge slightly undulato-dentate upwards, sometimes 
lobed towards the base. sori slender, linear, sometimes nearly 
touching both edge and midrib. West Indies, &c., 1819. Stove 
species. Syn. Diplazium plantagineum. 
A. polyphyllum (many-leaved). Synonymous with A. acumi- 
natum. 
A. præmorsum (bitten). Synonymous wìth A. furcatum. 
m prolongatum (prolonged). Synonymous with A. rutæ- 
Oum. 
A, pulchellum agad sti. tufted, lin. to 2in. long. fronds 
šin. to 6in. long, lin. to 14in. broad, with twelve to eighteen pinnæ 
on each side, which are żin. to 3in. long, two lines to three lines 
broad, bluntish, almost dimidiate ; the upper edge crenate, and 
narrowed suddenly at the base. sori linear, oblique, falling short 
of the edge. Tropical America. Stove species. 
A. pumilum (small). sti. tufted, Zin. to4in. long. fronds 4in. 
to 6in. each way, deltoid, the upper part sinuated only, the lower 
Asplenium—coniinued. 
cut down to the rachis into distinct pinne, of which the lowest 
ir are much the largest; the pinnules on the lower side sometimes 
. long, reaching down to a slightly winged rachis, acuminate 
and deeply lobed. sori very oblique, the lower ones sometimes 
lin. long. West Indies, &c., 1823. A very rare and pretty stove 
species, 
A. rachirhizon (rachis-rooting). A variety of A. rhizophorum. 
—— amn = 
—= “aa S 
Fic. 173. ASPLENIUM RADICANS. 
A. radicans (rooting). cau. erect, sub-arborescent. sti. lft. to 
aft. long, tufted. , fronds 3ft. to 5ft. long, 2ft. to 3ft. 
deltoid; lower pinne 12in. to 18in. long, 6in. to 8in. broad ; 
pinnules lanceolate, sessile, the upper ones entire, lower ones 3in. 
to 4in. long, Zin. to lin. broad, with blunt lobes, }in. broad, reach- 
ing about half way down to the rachis. Lower sori : 
iin, long. yt veo America. A very variable species. SYNS. — 
A, giganteum, Diplazium radicans, D. umbrosum, &c. See Fig. 173. 
4 
A. refractum (refracted). A variety of A. fontanum. — Si 
A. 
resectum (cut or pared).* sti. scattered, 4in. to 8in. long. 
Jronds bin, to 15in, long, Zin. to 4in. broad, la f 
with ten to thirty sub-sessile horizontal A mam on each side, w! 
are lin. to 3in. lo: e to żin. broad, almost dimidiate, the point 
bluntish, all except e truncate part crenate, the upper half at 
the base narrowed nearly at a right angle. sori not mg 
either the midrib or edge. India, &c., widely distributed, 1820. 
Greenhouse species. 
z 
A. ee ae (root-bearing).* sti. tufted, 4in. to Sin. long. 
Jronds lft. to 2ft. long, 4in. to bin. broad, elongated, and rooting 
at the apex; pinnæ twelve to thirty on each side, sub-sessile, 14in. 
to 2in. long, about żin. broad, inciso-dentate throughout ; the two 
sides unequal, the upper one auricled and narrowed, the lower 
one obliquely cuneate. sori not reaching either to the edge or 
midrib. Tropical America. A very variable stove species. - 
A, r. rachirhizon, has distinctly separated oblong ThombokiA. 
pinnules, again deeply cut into narrow segments. 
A. rhizophyllum (leaf-rooting). sti. tufted, 2in. to 6in. long. 
fronds 6in. to 12in. long, lin. to 2in. broad, cut down into 
numerous close-placed horizontal pinne on each side; central 
ones lin. long, }in. to fin. broad, cut down throughout nearly to 
the centre into simple or forked erecto-patent pinnules, the 
lowest on the under side suppressed. sori solitary, sub-marginal. __ 
A. r. myriophyllum is a variety with broader fronds ; central pinnae — 
lyin. long, with lower pinnules cut down into several roy wel me 
forked linear segments. North America, &c., 1680. Both 2 
some greenhouse kinds. ble 
fronds 6in. to 15in, long, 2in. to 4in. broad, ovate deltoid, 
twelve to twenty pinne on each side, the lowest sub-del 
2in. or more long, cut down to the rachis into numerous erecto- 
patent distant pinnules on each side, the lowest on the upper i 
side again cut down into erecto-patent linear segments. sori 
small, marginal. Cape Colony. A peda tiful greenhouse species. : 
Syys. A. prolongatum and Darea rutefolia. . ao 
sti poa 2in. to 4in. long. 
A. rutæfolium (Rue-leaved).* sti, tufted, 4in. to Sin. long. 
