454 OLXIIL PALMEÆ. (Beccari & Hook. f.) [Calamus. 
deeply ruminate; embryo in the middle of the side, a very unusual position in the 
genus.—The specimens examined are of the portion of a leaf and of a fruiting 
spadix. 
46. C. Diepenhorstii, Mig. in Journ. Bot. Neerl. Ind. i. 21; P sn 
Archip. Ind. 27 ; Fl. Ind. Bat. 594; leaflets very many equidistant ong 
narrow finely acuminate 3-costate, costæ naked or very sparsely se ht 
above, margins thickened smooth, petiole very long armed with s SE 5 
scattered spines, rachis angular armed with one row above and two e " 
of short recurved spines, sheath copiously armed with long flat s raig 
deflexed black spines, spadices very long supradecompound, fruiting aT 
very short sessile cupular, fruit obovoid shortly beaked, embryo ba 
C. melanacanthus, Mart. (partim).— Wall. Cat. 8606 A. 
PrwaxG, Wallich, Curtis (765). Perak; on Gunong Tambang, Ven? 
alt. 500-2000 ft., Scortechini (6475). Larut and Gunong Malacca, King s vo 
7201, 2552).— DISTRIB. Sumatra. : 
Stem m ft., stout, scandent. Leaves 3-4 ft.; leaflets 18-20 by iA 
straight, upper smaller; spines of sheath 1-2 in. long. Fruiting spadia . fruiting 
slender. Fruit $ in. diam., orange-yellow when ripe (King's collector) 5 borde 
calyx very short, sessile, lobes obscure; scales channelled, very narrow^y tiole and 
with brown.—Very distinct from melanacanthus in the much stouter pe - long 
rachis, long flat spines on the sheath, long leaflets with thickened margins, Very 
fem. spadix, with very long branches, and basal embryo. 
P47. C. singaporensis, Bece, mss.; leaflets many rather i 
narrowly linear finely acuminate 3-costate, tips setose, margins dn ngle 
on both surfaces unarmed or nearly so, upper part of rachis slender s e 
with 1-2 rows of short recurved black spines, male spadix very , Aly 
flagelliform decompound, spathes very slender tubular lower ke: an 
spinous, upper ending in flat lamine uppermost with oblique mem flowers 
mouths, spikes 1 in., spathellules densely imbricate short striate, 
very young. 
SINGAPORE; in the forest near the Bot. Garden, Murton. by an upper 
Apparently a very slender species of doubtful position, known only by, 
portion of a leaf and young male spadix. Leaflets 10-12 by 3-4 in. margins Dar 
thickened. 
Group VIII. See p. 488. 
n 
48. C. exilis, Grif. Palms Brit. Ind. 51 (axilis, 35); leaflets PT 
equidistant narrow finely acuminate copiously setulose on the sa scu 
costæ and often the intermediate nerves above and beneath, rac flat n 
setose and armed with a single row of hooked spines, petiole long arm 
2-edged with marginal straight slender spines, sheath scabrid an prid all 
with short straight flattened spines, fem. spadix decompound p Hist. 
over as are the spathes, fruit linear oblong sharply beaked. a 
Nat. Palm. iii, 333, t. 176, £ 7; Walp. Ann. iii. 484, v. 830; Mig- 
Bat. iii. 116. 
ubong: 
MALACCA; on Gunong Ladang, Fernandez. Prrax, Larut and "t. Herb. 
alt. 4900 ft., Scortechini (657b), King’s Collector (2734, 6245, 8457) 10,79" 
alc.). in., 010% 
Stem 15-20 ft., ł in. diam. Leaves 3-3} ft.; leaflets 8-10 by 3-3 MY many 
nervules strong; petiole scaberulous, with distant dorsal hooked spines 12-14 in» 
marginal ; sheath with coarse matted hairs at the mouth. Lower spa weg bah 
compressed and 2-edged with slender marginal spines below aud smaller 2 spine 
mouth oblique, upper spathes 4-6 in., tubular, armed with small seat 
