II
u
f! 1
I Kl !
Australia, Madagascar, Angola, Fernando Po, Johanna Island.—Very near
Both vary much in division, but they are universally regarded as distinct, ih e best
character for this seems to be the presence of numerous intermediate spurious venules
between the veins proper, as in various species of Trichomanes.
intermediate between D. elata and the type. D. patens, Swz. (Hk. Sp. Fil. 1. p. 167), must
probably also be referred here, and D. flaccida, J . Smith, is a tender finely-cut form.
41. D. epiphylla, Blume, not F orster ; rhizome thick, fibrillose ; st. _4-6 in. 1.,
erect, firm ; / n 12-15 in .l ., 6-9 in. hr., deltoid-lanceolate, trip in n a tifid ; mam
........................... • ■ ■ of the lowest pinnoe lanceolate,rachis hardly at all winged ; u. »..c .„..cou I f m. I . , 3» in.
hr. • segm. narrow, mucronate, sharply toothed ; texture coriaceous ; veins not immersed,
one or two carried into each tooth ; sori small, submarginal, hali-cup-
shaped, with the sharp mncro of the tooth extending beyond them.—D. Megans,
;8, pulchra, H k . Sp. 1. / . 166. t. 43. A. D. corniculata, Moore, In d . F il. 2. p . 292.
Hab. Java and Malayan Peninsula.—Still more coriaceous than D. elegans, more
finely, divided segments, very small sori, and sharp teeth protruded considerably beyond
them.
lizome creeping, stout, clothed with linear ferru-
42. D. divaricata, Blume ;
often 12 in. h! by 6 in. hr. ; segm. deltoid, cut down to the rachis in the lower pa rt,
with linear-oblong sharply-toothed lohes ; texture coriaceous ; veins unitorm
not conspicuous; sori half-cupshaped, placed ohhquely as regaifts the centiM
veins in the teeth at some distance from the edge.—H k . Sp. 1. p . lo7- D. poiy-
antha, H k . Sp. 1. p . 168. t. 59. A.
Hab. Khasya and Mishmee, N. India, Malayan Peninsula, Hongkong, and Java.—
Best distinguished from solida and elegans by tbe position of tbe son.
43. T>. Mauritiana, H k . ; rhizome stout, wide-creeping, densely fibrillose ; si.
6-8 in. 1., stout, e r e c t ; / « 1-2 ft, 1., 12-15 in. b r ., deltoid q u ad n pm n a tifid ,
main rachis very slightly winged above ; ultimate pm n l. 3-4 in L, 2 m bi.,
lanceolate-deltoid, cu t down to the rachis in the lower p a rt with deeply inciso-
pinnatifid lohes ; texture coriaceous ; so n copious, marginal, placed in «le teeth
of the ultimate segments ; invol. semicylmdncal.—-«^. o/*. i.
Hab. Mauritius.—Sir William Hooker was latterly disposed to consider this an
extreme form of D. solida.
g i^ o u slra le sT 'st. fii-m, erect", 6-12 in. I . ; f r . 2-3 ft. 1., tripinnatifid low e r /m « «
44. D. GriffitUana, H k . ; rhizome stout, clothed densely vyith pale-hrown or
whitish linear scales; st. erect, wiry, 4-6 in. 1. ; f r . 9-12 m. 1., 4-8 in hn,
deltoid, tri- or quadripinnatifid ; pinnl. of the lower pinnæ lanceolate-deltoid,
2-3 in. 1., 1 in. or more hr. ; lower segm. toothed on the barren frond, cut down
nearly to the rachis in the fertile one ; texture coinaceoiis ; so n very large (1 li .
b r.), oupshaped, suhmarginal or marginal, with th e teeth projecting beyond
them.—i f t . Sp. I. p . 168. t. 49. B.
Hab. Himalayas of Khasya, Assam, Bootan, &o., Malayan Peninsula and China
(Amoy, Chusau, Formosa),'—Distinguishable from all the other species or the group by
its large broadly-cupsbaped sori.
45. D. pyxidata, Cav. ; rhizome stout, creeping, densely clothed with pale-
brown linear scales; st. strong, erect, 4-6 in. 1.; f r . 9-18 in. 1., 6-9 m. h i.,
deltoid, tri- or quadripinnatifid ; pinnl. of the lower pinnæ lanceolate, 2-3 in. L,
1 in. hr., with deltoid or ohlong segm., the lowest of which are cut down nearly
to the rachis ; texture coriaceous ; sori deeply half-cnpshaped m the teeth, with a
broad space outside them, which projects like a horn beyond them. H k . Sp.
F il. 1. p . 170. t. 65. C.
Hab. New South Wales.—Very near D. canariensis in habit and texture, but somewhat
more finely cut and veined.
46. D. Canariensis, Smith ; rhizome stout, creeping, densely clothed with pale-
hrown linear scales ; st. strong, erect, 4-6 in. 1. ; f r . 12-18 in. 1., 9-12 in. hr.,
deltoid, quadripinnatifid ; pinnl. of the lower pinnæ lanceolate-deltoid, 2-3 in. 1.,
more th an 1 in. hr., with ovate - rhomboidal deeply inciso-pinnatifid segm. ;
texture coriaceous ; sori occupying a whole ultimate division or with a horn
beyond them ; invol. half-cupshaped.—Ilk . Sp. l . p . 109. t. 66. A.
Hab. Spain, Portugal, N. Africa, the Canaries, and Madeira.
47. D. hullata, Wallich ; rhizome creeping, stout, densely clothed with light-
brown or whitish fibrillose scales ; st. strong, erect, 3-4 in. 1. ; f r . 8-12 in. 1.,
4-8 in. hr., deltoid, quadripinnatifid ; pinnl. of the lower pinnæ lanceolate, 2-3
in. 1., 1 in. hr., with deeply inciso-pinnatifid ohlong-rhomboidal segm.; texture
coriaceous ; sori deeply half-cupshaped, occupying the greater p a rt of the tooth in
which they are placed, marginal, with usua lly a horn on the outside.—Hk . Sp.
m 1 . / . 169. <. 60. B.
Hab, Hindostán, ascending in tbe north to 3-4,000 ft., Japan, Java, and Malayan
Peninsula.—Very near D. Canariensis and pyxidata, but smaller, and somewhat thinner
in texture, and the scales of the rhizome different.
48. D. nitidula, Kunze ; rhizome stout, creeping, fibrillose ; St. 6-8 in. 1., firm,
but rather slender; f r . 12-24 in .l., 9-1 5 in. hr., deltoid, quadripinnatifid ; pinnl.
of the lower pinnæ deltoid, cut down to the rachis into ra th e r distant deltoid
segm., the lobes of which are again deeply pinnatifid ; texture between herbaceous
and coriaceous ; sori half-cupshaped, two-horned, occupying the whole of the
end of the ultimate teeth.—I lk . Sp. F il. l . p . 166. t. 44. A.
Hab. Natal, Dr. Pappe ; and fine specimens have recently been gathered by Dr. Wel-
witsch inAngola at 1-2,000 ft. Frond rather flaccid, rachises slender and flexuose.
49. D. Fijiensis, Hk. ; rhizome creeping, stout, densely fibrillose ; st. 6-9 in. 1.,
erect, strong ; f r . 12-18 in. 1., 6-12 in. br., deltoid, quadripinnatifid ; pinnl. of the
low’er pinnæ deltoid-lanceolate, the lobes of the segment cut down nearly to the
rachis into narrow linear divisions, in. 1. ; texture coriaceous ; sori half-
cylindrical, terminal on the dilated ap ces of the segments, sometimes with a
slight wing, b u t no horn.—I lk . Sp. 1. p . 166. t. 66. D.
Hab. Fiji Islands, plentiful.—The most finely-divided species of the series.
Microlepia. Invol. membranaceous, shallowly half-eupshaped, attached at
• as well as the base. Sp. 50-65. Fronds very various in size, texture, and
This sub-genus has its head-quarters in S. E . A sia and Polynesia. Four
species are American and one African. Differing also from Humata, Eudavallia,
and Leucostegia, in having the stems, except in D . ciliata, continuous with the
caudex, and consequently fa llin g under a different primary division (Desmobrya') o f
J . Smith's classification.
50.
. D. (Micro.) ftooferiana, Wallich ; rhizome creeping, both it and the lower
p a rt of stem p puhescent-fibi'illose ,; st. stout,, erect,, 4-6 in. 1.;. .f r . .
12-18 in. 1., 6-8
in. hr., simply _?____ 1 __ pinnate !_________-; 1___largest A p innæ 4 in. 1 1., | 1 in. Is-hr.,M It linear-VI acfiminatc,/-»ni TYAT n Q
truncate and auricled at the base above, slightly undulated below, and tootheu
towards the point ; texture subcoriaceous ; raehis and veins beneath villose ; sori
in continuous rows along the edges ; invol. small, about as broad as deep.—H k .
S p . l . p . 172. t. 47. B.
Hab. Sylhet, Kamoun, and Assam, Hongkong.
61. D. (Micro.) Saccoloma, Spreng. ;
wide-creeping, often climbing ;
f r . 4-6 ft. 1., simply pinnate ; lower p '
1 ft. 1., rather over 1 in. hr., lineartoothed
acuminate, sharply but not deeply
towards the point, undulated