Hab. New Caledonia, Vieillard, No. 1550.—Very near D. clavala, but tbe pinnæ and
segments are rather stouter and more rigid in texture.
73. D. (Steno.) c t a v a ta , Sw a rtz ; rhizome stout, creeping, densely villose ; S t.
strong, erect, C-9 in. 1. ; f r . 6-9 in. 1., 3-4 in. hr., ovate-lanceolate, tri- or quadripinnatifid
; pin næ distant, with distant pinnl., the latte r cut down to a filiform
rachis ; segm. again pinnatifid, ultimate divisions herbaceous iu texture, linear-
cuneate, | - | in. 1., J lin. br. at the top ; son' terminal, suborbicular or reniform,
.sometimes confluent.—Hh, Sp. 1.??. 187.
Hab. West Indian Islands.
74. D. (Steno.) tenuifolia, Swartz ; rhizome stout, creeping, densely fibrillose ;
S t . strong, erect, polished, naked, dark-brown, 6-12 in. 1. ; f r . 12-18 in. 1., 6-9 in.
br., ovate, quadripinnatifid ; lower pinnæ ovate-lanceolate, 4-6 in. 1., 2-3 in. br. ;
pinnl. lanceolate, their segments cut down to the rachis below with toothed
cuneate lobes, 1-1^ lin. across a t the apex ; texture subcoriaceous, both surfaces
naked, the upper shining ; scn-i terminal, u sua lly solitary, often rather broader
th an deep.—Hh. Sp. Ml. l . p . 186.—/3, H . Chinensis, Smith ; f r . smaller ; segm.
broader ; sori 1 to 4 in a lobe.—Hh. Sp. 1. p . 187.
Hab. Common in tropical Asia and Polynesia, ascending northward to Japan, and
5,000 ft. in the Himalayas, Madagascar, Bourbon, and Mauritius.
** Fronds several fe e t long, usually cUmhing.
75. D. (Steno.) Kunze ; si. 6-8 ft. 1., wide-climbing, flexuose, prickly;
f r . trip in n a te ; lower pinnæ 1-2 ft. 1., with a long unbranclied termina l segment
and a few lateral ones, the lowest of which are also long and flexuose ; segm.
J in. br. and deep, obliquely truncate below, b lu n t at the point, broadly and
b lu n tly lobed above ; veins not prominent ; texture tliick, subcoriaceous ; soi'i
small, cupshaped, marginal.—Kunze in Schh. Suppl. 2. p. 9 6 .1 .140.
Hab, Cuba and Porto Rico.
76. D. (Steno.) aculeata, Sw a r tz ; rhizome creeping, stout, fib rillose; st.
(including raohis) 4-6 ft. 1., strong, scandent, spinoso-flexuose; f r . trip in n a tifid ;
lower pinnm 12-18 in. 1., 4-6 in. br., ovate-lanceolate ; pinnl. lanceolate, 2-3 in.
1., 1 In. h r . ; segm-. | in. hr., cuneate, deeply 2 to 4 lobed, lohes with 2 or 4 veins;
texture herbaceous; veins prominent beneath, once or twice flahellately forked ;
sori small, cupshaped, terminal.—H k . Sp. l . p . 191. t. 54. B.
Hab. West Indian Islands, common.
77. D. (Steno.) Melleri, Hk. MSS.; st. wide-creeping, scandent, not p ric k ly ;
f r . quadripinnatifid ; pinnl. of lower pinnæ 2-3 in. ]., 1-J in. br., ovate ; segm.
1 in. 1., j in. br., cut down to the rachis below, lobes ¿ -f in. br., cuneate at the
base, both deeply toothed and shallowly crenate ; texture herbaceous ; veins not
prominent ; sori small, marginal, shallow, usua lly cupshaped, sometimes but not
always as broad as the lobe in which they’ are placed, sometimes two confluent.
Hab. Madagascar ; gathered by Meller and Lyall.—Intermediate between X». aculeata
and Lindsaya retma, and according to our definitions, with as good a right to be placed
in one genus as the other.
78_. D. (Steno.) fumarioides, Swartz ; habit of D. aculeata and the stem and
rachises similarly prickly, but segm. smaller and more deeply cut, the lobes but
slightly broader a t the apex th an tlie base, usua lly only one-veined ; sori cup-
sbaped, as broad as the segment.—H k . Sp. l . p . 191.
Hab. West Indian Islands.
l9. D (Steno.) Schleehtendahhz Presl ; f r . 2-3 ft. 1., 1-2 ft. b r . ; main
strong straight, n a k e d ; lower pirmm 9-12 in .l ., 4-6 in. hr., ovate-lanceolate
spreadmg or deflexed, with a zigzag r a c h is ; p in n l. 2-3 in. 1., about 1 in br ’
cut down to a narrowly-winged strong raohis ; segm. cut down to a centre which
equals m breadth the narrow linear forked or flabellate ultimate divisions •
texture herbaceous; son small, terminal, suborbicular.—f t / . Sp. l . p . 189. t. 54. c ’.
Hab. Mexico and Guatemala, ascending to 3,600 feet.
G e n . 19. C y s t o p t e r i s , Bernh.
^ Sori globose placed on the back of the veins. Invol. membranaceous, subor-
bioulaiq inserted by Its broad base under the sorus, which a t the beginning it
covers like a hood —Fronds m a g , two or three times divided, thin in texture, vdns
free. A lbed to_ \\ oodsia and Microlepia, and exceptional amongst the fe rn s in its
head-qum-ters in the Temperate Zones o f loth hemispheres.
1. C. fragilis, B e rn h .; st. 2-4 in. 1. ;
f r . 4-8 in. 1., lJ -2 in. hr., ovate-lan-
ceolatCj tripinnatifid ; main rachis slig
[ghtly winged above ; largest p innæ 1-1J in.
L, i - f in. hr., lanceolate-deltoid ; pinnl.ul. oblo ohlong-rhomboidal,...................
cut down to a bro'ad
central space into bluntly- or sharply-toothed lobes; texture herbaceous; sori
2 to 12 to a pinnule, f t / . Sp. l . p . 197. B r it. Ferns, t. 23.
Hab. Europe and Asia, everywhere from Iceland to Kamsohatka, from the Arctic
regions to Madeira, and the Himalayas, where it ascends to 15,000 ft. ; mountains of
Abyssinia and lernando Po ; South Africa; Van Diemen’s Land, New Zealand
Ti^niraf 7 A Temperate N and S. America, and mountains in the intermediate
¿ p a bl Tasmamca, Sandmcensis, and Douglasii, do not appear to be safely
tlipiimatitld trinili?; 1-2 in. br.,tripinnatifid ;Î main ma.in raeUs v/ioIioq Trim’û more /or'less x-i* winged „above;u__ _ i largest __ ob< lon• g-lancae oa,l at. e», pùinæ deltoid!
lanceolate, ] - f t in. ., i . | in, hr. . p M . ovate-rhomboidal, cut down to the
lachis below into slightly toothed segm.; texture herbaceous; sori small, 2 to
12
Î n d ü Z u b T^iygetense, B
Bory
Europe from Sweden to Greece and Spain, and Asia Minor.—In
W lZ ® “I Leyton, Essex. A more tender and usually more
hneJy-divided plant than the last, but often difficult to distinguish.
3. C. bulbifera Bernh. ; sf. 4-6 in. 1. ; f r . 0-12 iu. I., 3-4 in. br. a t the widest
7 7 ® ’ “ " “B elongated upwards, bi- or tripinnatifid ; lower
pnnnl. lanceolate or ovate-lanceolate, 2-3 in. I., 1 in. br. ; seqm. Imear-oblono- cut
«¿TaUv in £ 2 ‘0 12 to a pinàule.
P rè s i.^ two rows, one in each s e g m e n t .- / / / . Sp. 1. p . 199. C. àomaria,
d is iè ^ £ southward to Virginia and N. Carolina. —A very
the axds èf t h e ¥ ‘ ® 7 “ ® fleshy bulhlets which are formed in
wwlhfiicchh , PPirooff. EEaatZonl’ ®s“a'y’'s’,“ ar’®e- about two years in coming to matu»r‘i"tdy . become new ‘p lants!’
A .B r &Mild e ; rfeVo»«« wide-creeping ; si. slender 6-9 in I •
ilaaéncceeoolkattee,' iIT- fit iiniT. T].,’ l, ess 7th/a nZ ^ 'i n“. »b'.r'.l O; 'lYow^Pe^r nseagtimfi.d 4 ; inl.o wI.,e s2t pliinn. nbl.r . deolvtoaitde!-
ihomboidal, deeply toothed ; texture herbaceous ; sori mucli larger than in
„ 1 , 2 to » „ t o „ „ S o 2 “ W f
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