CLVI. PALMACE^. 
57 
Calamus.'] 
strong broad thorns. Leaves 2*5 ft. long; petioles 6 to 12 in. 
long, thorny; leaflets alternate remote linear-lanceolate, 2 ft. long, 
•75 in. wide, 3-nerved, bristly. Male spadix 4 to 6 ft. long, very 
slender, smooth. Spathes unarmed. Spikes very slender; flowers 
not crowded, alternate, very small. Female spadix shorter and 
much stouter; spathes thorny. Spikes deflexed, 1-5 in. long. 
Flowers -i in. long. Fruit globose-ovoid, -12 in. long, yellow, scales 
longer than broad. Hab. Forests in the south. Johor, Sungei 
Tehran. Selangor, Rawang. Negri Sembilan, Kwala Pilah (Moor- 
house). Perak, Kinta valley; Thaiping Hills up to 4000 ft. altitude. 
Distrih. Borneo. Native names : Rotan Perut Ayam ; Rotan Kerai. 
(21) C. radulosus Becc. in Hook. fiL F.B.I. vi. 443; Ann. Bot. 
Card. Calc. xi. 174, pi. 35; Ridl. Mat. ii. 198. 
Stems 30 to 40 ft. long, i to 1-25 in. through with very short 
scattered thorns. Leaf 3 to 5 ft. long, no petiole, sheath densely 
armed with short flat thorns; rachis strongly thorny; leaflets 
equidistant, linear long-acuminate, base sliortly narrowed, 10 to 
18 in. long, *5 to i in. wide, 3-nerved; flagellum 5 to 6 ft. long. 
Male spadix 8 to 15 ft. long; peduncle 6 in. long. Spathes i in. 
long, densely covered with very short thorns with swollen bases, 
and a number of verj^ small processes. Spikes rather narrow, *12 in. 
wide, spreading and deflexed, 3 in. long. Flowers very close, 
distichous. PTuit pea-shaped, long-beaked. Hah. Perak, Goping 
(Kunstler). Native name: Rotau Kikir. 
(22) C. pauciflorus Ridl. 
Stem -3 in. through, armed with scattered, straight thorns 
thick baseci, dagger-shaped, -i in. long. Leaves 2 ft. long, with 
4 leaflets, distant except the lowest pair sub-opposite, and a terminal 
portion of 2 or 3 leaflets connate a quarter to halfway from the 
base, rachis armed with distant deflexed thorns; leaflets chartaceous 
oblong-oblanceolate, tip of 2 to 4 acuminate bristly points, narrowed ; 
nerves conspicuous 5, secondary nerves 6, fainter transverse nervules 
very numerous, 10 in. long, 2*25 in. wide. Spadi.x male, very 
slender filiform, 3 ft. long, with numerous hooked thorns in pairs. 
Spikes 9 in. apart, usually 3 only, very slender, 5 in. long or less. 
Spikelets about 20, cylindric, dense-flowered, *25 in. long. vSpatheks 
■15 in. long, roughly scabrid with short acute processes, campanulate 
with a lanceolate acute point, ribbed spathellules ovate lanceolate 
acute. Calyx cup-shaped, with three short points. Petals *05 in. 
long, oblong-lanceolate acute. Female spadix as in male but 
2-6 ft. long, with one flowering branch 2 in. long, spikes 8, distant, 
•2 in. long, spathels scabrid. Flowers 2 or 3 on a spike. Sepals 
ovate ribbed. Petals longer, oblong acute. Young fruit obovoid, 
•I in. long, yellow, scales broader than long, tips blunt, brown, 
persistent; style cylindric as long as fruit. Hab. Perak, Tapah, 
Pahang Road loth mile (Burkill 13446, 13451). 
This species is allied to C. radulosus Becc. and C. ruvidus Becc., but is 
remarkable for its few very broad leaflets and very much reduced inflorescence. 
