il- I
H a b . Ceylon, Neilgherries, S. China, P h ilip p in e s.—H e re ag a in we fall back upo n
th e liv in g collection a t K ew for a description. O u r p la n t is th e D. diversifolium of
J . Smith, b u t scarcely o f Wallich. Blum e ’s original specimen of dila ta tum , an d a p la n t
s en t by M iq u e l as A . la tifo lium, Don, a re lik e th is in te x tu re , b u t th e p innules a re I J in.
ap a rt, th e lower ones d is tin c tly stalk ed , 3 in . h, an d b lu n tly lobed to a d ep th of g in.
below ; an d we have similar examples from China, J a v a , an d Moulmein.
250. A. (Dipl.) nigro-paleacemn, Baker ; caudex decumbent ; S t . not tufted, sub-
erect, J in. thick, 12-18 in. 1., greenish, deeply channelled in front, thickly clothed
with lanceolate nearly black scales ; f r . 2-3 ft. 1., nearly as br. ; lower pinnæ
12-18 in. 1., 6-8 in. br., with numerous spreading pinnl. 3-4 in. 1., 1 in. br., cut
dow'n half or two-thirds to the rachis into inciso-crenate linear-oblong lobes, J in.
br. ; texUre thick, subcoriaceous ; colour bright-green ; raehis thick, naked, slightly
zigzag, with a winged line on each side in front, the lower lobes imbricated over
it ; mins 6-8 on each side, the lower ones forked; lower sori J iu. 1.—Diplazium,
Kunze, Lin n . 24, 270. D. Loddigesii, J . Sm.
H a b . S t. H e le n a .—O u r descrip tio n is d raw n up from th e copious liv in g specimens a t
K ew . P e rh ap s n o t d is tin c t from D . arhoresceus, b u t a mu ch s tro n g e r an d more coriaceous
p la n t, w ith a densely scaly stem.
251. A. (D ip l.) arhorescens, Mett. ; caud. oblique ; S t . 1-2 ft. I., strong,
erect, smooth, nearly naked ; f r . 3-4 ft. 1., 2-3 ft. br., wdth numerous pinnæ,
the lower ones 12-18 in. 1., 4-6 in. br. ; pinnl. 3 in. 1., | - | in. br., the point
acuminate, the edge cut down two-thirds of the way to the rachis into nearly
entire lobes J in. deep, J in. br. ; rachis polished, stramineous ; texture herbaceous
; veinlets 6-8 on each side, mostly simple ; lower sori J in. 1.—I lk . Sp. S.
p . 256 {in part).
H ab . M au ritiu s, B o u rb o n , P olynesian Is lan d s .—D. comorensis, Bojer, from J o h a n n a
Is lan d , has b ro ad e r lobes, n o t c u t more th a n h alfway down to th e rachis, 4-5 simple
veinlets on each side, an d lower sori J in . 1. T h e re a re two to ta lly different modes of
g row th amongst these la rg e compound species, an d th e re is much to be done in stu d y in g
th e liv in g p la n ts before we can u n d e rs ta n d th em clearly.
252. A. (Dipl.) melanoeaulon. Baker ; st. 1-2 ft. 1., firm, erect, naked,
ebeneous ; f r . 2-3 ft. 1., 9-18 in. br., with numerous pinnæ, the lower ones 6-12
in. 1., 4-6 in. br. ; pinnl. lanceolate, 2-3 in. 1., | in. br., cut down two-thirds of
the way to the racliis into linear-oblong falcate inciso-crenate lobes, J - f in. deep ;
texture subcoriaceous ; rachises slender, ebeneous like the stem ; veins pinnate in
the lobes, 4-5 on each side ; sori short, oblong, not touching either midrib or edge.
—Diplazium, Brack, p . 144.
H a b . F iji an d A n e ite um .—A p p a re n tly th is agree s w ith arhorescens in mode o f growth.
I t differs by its more coriaceous te x tu re , d is ta n t veins, ebeneous raohis, an d sh o rt sori.
253. A. (Dipl.) Arnottii, Baker ; st. smooth, angular, brownish ; f r . ample;
lower pinnæ 9-12 in. 1., 4-6 in. br. ; pinnl. 3-4 in. 1., 1 in. or more br. ; cut down
below to a distinctly winged rachis into deeply crenate, blunt, oblong lobes
J in. deep, J in. br., with a space between th em ; herbaceous ; rachis
slender, naked ; vdnlets 6-6 on a side, nearly all branched, the lower ones
subpinnate ; sori copious, nearly all diplazioid and filling up when mature
nearly the whole surface of the lobes.—Diplazium, Brack, p . 144. A. dipla-
zioides, H k . ^ A rn .
H a b , Sandwich Islan d s, fre q u e n t.—Caudex p ro b ab ly o f A . arhorescens.
254. A. {J)ip\.) puUcosum, H k . ; si. firm, erect, naked, straw-coloured;/®.
lJ -2 ft. 1., 1 ft. br., with numerous BfraKce on each side, the lower ones 6-8 in. 1.,
4 in. br. ; lowest pinnl. 2 in. 1., J in. br., cut down nearly to the rachis into
spreading, crenated linear-oblong lohes 2 lin. br. ; texture coriaceous ; colour
pale-green ; racUs firm, naked ; mins 5 on each side in the lobes ; sori in
regular parallel rows not reaching more th an halfway from the midrib to the
edge ; mvol. ngid, nearly hlack.—/ / / . Sp. 8. p . 262.
Hah. Ecuador, Jameson.—Caudex unknown.
266. A. (Dipl.) Klotzschii, Mett. ; caud. erect, subarborescent ; st. 1-2 ft. 1.
strong, erect, dark-brown, and scaly below; f r . 3-5 ft. 1., 9-18 in br
lower pmnæ G-9 in. 1., 3-4 in. br. ; lower pinnl. 2-3 in. 1., J in. br., cut dowi!
n early to the rachis into blunt spreading slightly-toothed iinear-oblong lobes
2 im. br. ; texture herbaceous; colour deep-green; rachis firm, n a k e d ; veins
distant, pinnate, 4-6 on each side iu the lobes ; sori linear-oblong, falling short of
the edge tumid, brown, fimbriated.—/ / / . 7>>. 3. ?)■ 263. Lotzea diplazioides,
Klotzsch. ‘
Hab. Columbia and Venezuela.
266. A. ijilp fi) flexuosum, Pre sl ; st. firm, naked, brownish; /®. ample ; pinnæ
with a very flexuose zigzag rachis and pinnl. deflexed and then curved
upwards ; lower pinnæ 12-18 in. 1., 6-9 in. br. ; pinnl. stalked, 3-6 in. 1., 1-2 in.
TXT* + Iv Y-» itt -X-. ^ X . 1 Xl_ _ _ _ '
regular rows not reaching the edge.—« / . ' Sp. S. p . 263.
H a b . P e ru .—Caudex unknown.
267. A. (Dipl.) vastum, M e tt.; f r . ample, bipinnatifid ; lower pinnce 2 ft. 1.,
7 in. br., ovate-lanceolate, a cum in a te ; pinnl. close, patent, S i in. 1., 1 in. br.,
oblong-acuiinnate, cut down nearly or below quite to the rachis into toothed
Imear-obloii^g lobes ; texture subcoriaceous ; rachis stramineous, slightly downy
upwards ; both sides quite naked ; veins pinnate in the lobes, wdth 6-8 mostly
simple veinlets on a side ; sori reaching from the midrib to the base of the
teeth.—Afeii. F tl. Nov. Gran. p. 237.
H a b . N ew Gran ada, L in d ig , 349.—T ru n k unknown.
^ } v } ; \ k ia n s , K u n z e ; caud. e re c t; st. 12-18 in. 1., tufted, .xx.x.Dxy
scaly ; f r . 8-4 ft. 1., 2-8 ft. hr. ; lower pmnæ 1 ft. or more 1., 4-6 in. hr. ; mnnl.
numerous, lanceolate, 2-8 m.in. 1.,L, f f m in.. hr., with blunt subentire lobes 14-I f f 2 lin.
or.,0 1 .» l reaching e a c h l n i r nearly down J to a •the flvû x.rachis oyâlviiN .; texture Itt herbaceous ^«.1, ». -, » » ____; colour » . 7 dark-1 _ 1
green ;
r f f i i s and both sides naked ; veinlets 8-4 on each side ; sori short, oblong only
the lower ones double ; invol. tumid.—/ / / . Sp. S. p . 288.
E c u ad o r.—Grisebach u nites th is w ith A . uvilromm, J . Sm. I t
differs from th e n ex t by its n a rrow e r pin næ an d lobes, much sh o rte r sori, an d tum id
involucre.
259. A. (Dipl.) radicans, S c h k .; caud. erect, subarborescent; sl. 1-2 ft. 1.,
tufted, strong, ei-ect, scaly below ; f r . 3-5 ft. 1., 2-3 ft. br. ; lower pinncB 12-18 in.
1., 6-8 m. br. ; ptnrd. numerous, lanceolate, sessile, the npper ones entire, lower
ones 8-4 m . 1., |- 1 in. br., with broad b lu n t lobes ¿ in. br., reaching \ or |- of the
way down to the rachis ; texture herbaceous ; racliis naked or slightly pubescent ;
vúns 4-6 on each side in a lobe ; lower sori sometimes ¿ in. 1.—A. dubium, MeU.
H k . Sp. 3. p .2 3 \ {in part). /3, A . expansum, P re s l; rachis pubescent; pinnoe
a f f o l e s narrow e r; sori shorter.—Diplazium, Willd. D. umhrosum, Willd.
D. Haenkeanum, Presl.
H ab . Tropical Am e ric a , from Cuba an d Columbia to Bra z il an d P e ru .—T h e u n iv e rsally
-d istrib u ted S. American la rge-growing trip in n a tifid species. D . ambiguum, R addi, is
pro b ab ly essentially th e same, b u t th e figure rep re sen ts th e pinnæ as only sh g h tly lobed,
w ith which B raz ilian an d P e ru v ia n examples from Sellow an d S p ru ce coincide.
2 II
r ' !