d 
110 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. 
approximate, 4 mm. long flowers on each side. Fruit ovoid, stoutly beaked. „Scales 
in 18-20 series. 
Java. 
157. C. erioacanthus Becc.—Seandent, slender. Zeaf-sheaths 7-19 mm. in diam., 
densely covered with flat, 1 cm. long spines, which are fringed-furfuraceous on the 
margins. Leaves 40-70 cm. long in the pinniferous part; the cirrus about as long ; 
petiole 6-14 cm. long. Leaflets 13-14 in all, grouped in 4 remote fascicles, green 
and subconcolorous on both surfaces, lanceolate or oblanceolate, suddenly mucronate, 
almost flat or slightly concave-convex, 18-25 cm. Jong, 2:5-5 cm. broad, rather 
sharply 3-costulate; the coste and margins quite smooth. 
Borneo. 
158. C. optimus Becc.—Slender, scandent. Leaf-sheaths armed with robust, large, 
laminar spines. Leaves 70-80 cm. long in the pinniferous part, the ‘cirrus up to: 
1 m. in length; petiole 6-12 cm. long. Leaflets 6-8 in all, solitary and very 
distant on each side of the rachis, oblanceolate or oblong-lanceolate or subspathu- 
late, somewhat concave-convex, the largest 32-35 cm. long, 55-6 cm. broad, green 
above, whitish or mealy underneath, with 4-6 slender but sharp coste, which are 
smooth on both surfaces; margins spinulous. 
Borneo. | 
759. C. ccsius Bece.—Scandent, slender. Leaf-sheaths 13-18 mm. in diam., 
armed with strong, flat, subulate spines. Leaves 00-80 cm. long in the pinniferous 
part; the cirrus about 1 m. long; petiole almost obsolete. Leaflets 16-24 in all, 
very irregularly set, usually paired, the pairs 15-20 cm. apart on each side of the- 
rachis, more or -less concave-convex, oblong-lanceolate, green above, conspicuously 
mealy-glaucous beneath, with 4-5 quite smooth cost»; margins spinulous. Female 
partial inflorescences 50 and more em. long, with about 6 spikelets on each side; 
these vermicular, spreading, 10-19 em. long, with 10-12 flowers on each side, Fruit-. 
tng perianth pedicelliform. Pruit ellipsoid-ovoid, narrowly beaked, 18 mm. long, 
12 mm. broad. Seales in 18 series, deeply and narrowly channelled, Seed ovoid,. 
minutely pitted; albumen not very deeply ruminate; embryo lateral near the base. 
Borneo and the Malayan Peninsula. 
160. C. simplex Bece.—Scandent, rather slender. Leof-sheaths 1-2 em. in diam. 
Leaves 0°8-1'5 m. long in the pinniferous part; the cirrus! long and slender; the 
petiole 15-20 em. long. Leaflets about 10 in all, solitary and very distant a each. 
side of the rachis, lanceolate or elliptic-lanceolate, up to 60 cm. long, 10 cm. broad 
5-6-costate ; coste and margins quite smooth. Male and female spadices very much dis 
same, elongate, shorter than the leaves, very simple, with very few spikelets on each 
side of the main axis, Male spikelets spreading, arched, 12-13 cm. long, with 15-16 
rather remote flatly bifarious flowers on each side. Female spikelets spreading 
arched, 6-7 cm. long with 10-12 flowers in all, which are arranged in two slightly 
assurgent series, Fruiting perianth pedieelliform. Fruit globose-ovoid, 
3 em. long, 2 cm. broad. Seals: in 24 series, slightly channelled. Seed globular 
minutely pitted; albumen very deeply ruminate; embryo almost basilar. | i 
The Malayan Peninsula. 
