8 6 AJNHALS OF THE EOYAL BOTANIC GARDEN, CALGDTTA.
elongate.flagalliform; primary spathes very narrow, very closely slieatlmg; partial
mSoresceiices elongate, »¡th many spllelets on each side; spikolots inserted jast at
t h e mouth of theii- own spathe with a distinct axillary callus, 6-T cm. long; spathels
infnndihnliform, 4 mm. long, trancato, smooth. iS-iofi»;, ptrianth very shortly pedicelliform.
ii-aii broadly olhpaoid, 17-18 mm. long, 13-U mm. in diam. suddenly and
shortly beaked. Scales faintly channelled along the middle.
Smnatra.
64. C. lundm Becc.—Scaudcnt. Sheathed stem about 3 era. in diam.
Leat-sheaths densely armed with straight, scattered, laminar, subulate, rather short,
setaceous spines. Lenes about 1 m. long; petiole 10-15 cm. long, flattish above,
prickly at the margins. Leajlets not very mimerons, rather remote, equidistant,
onsiform, the intermediate ones 35-40 cm. long, l-5-3'o cm. broad, with 3 cost®
-which are bi-istly above and naked beneath. Female spadit moro or loss supradecompound,
very long, flageUitorm, ivith very remote moncooious (always?) partial
inflorescences; spikelets of the lowor part of the inflorescences bearing female flowers
accompanied as usual by a neuter one, while the spikelots of the summit or some
of the secondary ones bear male flowers only; primary spathes elongate, strongly
clawed cldeily on the outer side. Mile ftwen obloa!», 4-5 mm. long. iruUm,
perianth shortly pedicolliform. Fndt broadly obovoid, very suddenly and
distinctly beaked, 11 mm. long, 8 mm. broad. Scales in 15-16 series faintly
channelled along the middle.
The Malayan Peninsula.
65. 0. sabeisis Bccc.—Scanocnt, slender. SJisathed stem about 15 mm. in
diam. Leaf-she'-iths anned with scattered, horizontal spines. Leaves about 60
cm. long, the petiole very short; racliis armed with very small, scatSoi'ed claws.
Leajlels very few, iuequidistant, lanccolate, 30-32 cm. long, mm. broad,
coucolorous, 3-sub-5-costulate, the costm quite devoid of either spines or bristles on both
surfaces ; the margins appressedly spinulose. Female spadix slender, very elongate
flagelliform; primaiy spathes narrow, elongate, deusely prickly near theii- summit;
partial inflorescences very elongate with many remote spikelets; secondaiy spathes
subulavate, 4-5 era. long, armed with small hooked prickles; spikelets spreading,
5-0-5 cm. long, spathels finely veined, subscabrid. Fruiiin/; perinn/h distinctly
pedicelliform. Fruil ovoid-elliptic, beaked, 12 mm. long, 8 mm. broad. Scales
in 18 series, not channelled along the middle, brownish with a narrow, very dark
margin. Seed broadly pitted.
66. C. delicatu/us Thw.—Scandent. Sheathing sUm 18-20 mm. in diam.
Leaf-sheaths armed with subulate spines, which are very long near the moutli. Leaves
•7-1 m. long. Leaflets numerous, equidistnnt, liiiear-en&iform, the intermediate
ones 25-28 cm, long, 12-15 mm. broad, unicostate; the costa and ono
slender nerve on each side of it bristly spinulose above; beneath only the midcosta
furnished with a few long bristles. Spadices filiform and very long and excessively
slender. Male and female flowers horizontal, mm. apart. F-iiii small,
globose, 8-10 mm, in diam. Scales in 15 series, shining. Seed facetted.
Ceylon,
BECCABI, MOSOQRAPH OP THE ©ENUS CALAMUS.
87
67 c. Hetfenanus W . - S e e m i n g l y scandent and slender. Leaf-rackis aoutelv
bifaced on its upper surface, slightly clawed beneath. Leaflets rather numerous, very
distinctly grouped 2-o on each side, equidistant and disposed on one piano i^ aacJ
g j p (not poznting different ways), with long vacant spaces interposed; the intermediate
one hncar-lanceolato, 20-30 cm. long, 13-16 mm. broad, sub-5-co.tulate, the 3
central coste spmulose above and smooth beneath. Male and female spadices very
long and slender; pr.inary spathes very narrow and long and very closely s h e a t h i n -
flowers U and i} horizontally inserted; male flowers I-5--3 L . apart S o n ^'
4 mm. long; female flowers broadly conic, 4 mm, long, 5-7 mm. apart
fenassorim ^
es. 0. nkobmkm Eecc-Scandent. Sheathe sUn 7-14 mm. in diam
Leaf.,heaths armed with numerous very unequal rather broadly laminar sometime.'
very long elastrc light-coloured spines. 60-80 cm. L g ; p e t i o i r r a tU
short. Lea^U numerous, equ.d.stant, linear, subnlately acunrinate, unicostate; the
mrd-costa br.stly spmulous on beth surfaces, side-nerves very slender, smooth the
intermediate leaflets 18-25 cm. long, 10-12 mm. broad.
Nieobars.
e s . e. myriacmthus Beco.-Not scancrent (?). SImtMd stem about 4 cm in
diam. Leapsheatlis not gibbous above, open on the ventral side, gradually passin., 'into
the petiole entirely covered with very numerous almost equally distributed "small
short acicular horizontal spines. Leaves ^-f, m. long, the petiole very Ion..
subopposit. at tirst, alternate and speedily decreasing in size t o L d s the a f ,
oblanceolate, somewhat concavo-convex, broadest above the middle, green on the u L ;
sor ace, conspicuously paler beneath with 7-8 maiu-nervcs which arc glabrous on E
surfaces, the largest leaflets 40 cm. long, 7-7-5 cm. broad; the two of the terminal pair
rec at the base. Female spadi, simply decompound, flagelliform with ai. excessively
long pednncular part; partial inflorescences up to 80 cm. long with numerous spikolefs
on cacb side; spikolets slender, as much as 15 cm. long with 28-30 flowers on each
side; spathels bracteiform very approiimato; invoh.crophoram scale-like- involucre
attached almost outside its own spathel at the base of the one above, explan.te and
formed by two triangular strongly voined bracts. oxpanate and
Borneo.
70. e. w a ^ M S Hocc.-Aluiost stemless, very delicate. Lea/sMaths not flagclliferous,
prickly, opened upwards on the ventral side and gradually passing i l o " he
petiole. z ™ 45-50 cm. long, including a rather long tubtere.e petiole^
numerous, very closely eqaidista.t, linear-lanceolate, very small, 10-12 mm loni 6 8
mm^ broad the two terminal quite free. Male and female spad.ces ezoessively l l g I 'd
slender, with very few partial mflorescences; primary spathes very narrow L d Z X
sheathing; female spikelets filiform, zig-zag sinuous, 1-5-3 cm. long.
not pedicellifoijn, but the calyx callous at the base. F „ , very L a ^ b Tdly „ a
and oomcally beaked. Scales in 13 series. "-loauiy ovate
Borneo; Sarawak.
77. 0. barbatUS Zipp.-Scandent. SticatU stem as thick as a finger Leaf.
gradually passmg into the petiole, furnished with rigid bristles at t