86 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA, 
elongate-flagelliform; primary spathes very narrow, very closely sheathing; partial 
inflorescences elongate, with many spikelets on each side; spikelets inserted just at 
the mouth of their own spathe with a distinct axillary callus, 6-7 cm. long; spathels. 
infundibuliform, 4 mm, long, truncate, smooth. Fruiting perianth very shortly pedicel- 
liform. Fruit broadly ellipsoid, 17-18 mm. long, 13-14 mm. in diam. suddenly and 
shortly beaked. Scales faintly chanuelled along the middle. 
Sumatra. 
64. C. luridus  Becc.—Scandent.  Sheathed stem about 2 ecm. in diam, 
Leaf-sheaths densely armed with straight, scattered, laminar, subulate, rather short; 
setaceous spines. Leaves about 1 m. long; petiole 10-15 cm. long, flattish above, 
prickly at the margins. Leaflets not very numerous, rather remote, equidistant, 
ensiform, the intermediate ones 385-40 cm. long, 1°5-3°5 cm. broad, with 3 coste 
which are bristly above and naked beneath. Female spadiz more or less supra- 
decompound, very long, flagelliform, with very remote moncecious (always?) partial 
inflorescences; spikelets of the lower part of the inflorescences bearing female flowers 
accompanied as usual by a neuter one, while the spikelets of the summit or some 
of the secondary ones bear male flowers only; primary spathes elongate, strongly 
clawed chiefly on the outer side. Male flowers oblong, 4°55 mm. long. Fruiting 
perianth shortly ^ pedicelliform. Fruit broadly ^ obovoid, very suddenly and 
distinctly beaked, 11 mm. long, 8 mm. broad. Seales in 15-16 series faintly 
channelled along the middle. 
The Malayan Peninsula. 
65. 0. sabensis Becc.—Scanaent, slender. Sheathed stem about 15 mm. in 
diam. Leaf-sheaths armed with scattered, horizontal spines. Leaves ‘about 60 
cm. long, the petiole very short; rachis armed with very small, scattered claws. 
Leaflets very few, inequidistant, lanceolate, 30-32 cm. long, 28-34 mm. broad, 
concolorous, 3-sub-5-costulate, the coste quite devoid of either spines or bristles on both 
surfaces ; the margins appressedly spinulose. Female spadiz slender, very elongate, 
flagelliform; primary spathes narrow, elongate, densely prickly near their summit; 
partial inflorescences very elongate with many remote spikelets; secondary spathes 
subclavate, 4-5 cm. long, armed with small hooked prickles; spikelets spreading, 
5-5°5 cm. long, spathels finely veined, subscabrid. Fruiting perianth distinctly 
pedicelliform. Fruit 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. delicatulus Thw.—Scandent. Sheathing stem 18-20 mm. in diam. 
Leaf-sheaths armed with subulate spines, which are very long near the mouth. Leaves 
‘7-1 m. long. Leaflets numerous, equidistant,  linear-ensiform, the intermediate 
ones 25-28 cm. long, 12-15 mm. broad, unicostate; the costa and -one 
slender nerve on each side of it bristly spinulose above; beneath only the mid- 
costa furnished with a few long bristles. Spadices filiform and very long and exces- 
sively slender. Male and female flowers horizontal 3-4 mm. apart. Fruit small, 
globose, 8-10 mm. in diam. Scales in 15 series, shining. Seed facetted. 
Ceylon, 
