44 CLVi. PALMACE^. [Damonowps, 
at base; sheaths armed with black bristle-like processes, and flat 
spines in transverse crests. Leaves 6-6 ft. long including petiole 
and flagellum; leaflets linear-lanceolate, bristly at tip and on 
nerves, i ft. long, -4 in. wide, Male and female spadix and spathes 
unknown. Peduncle thorny all round, not flattened. Fruiting 
spadix nodding diffuse. Fruit spherical brown, *5 in. through. 
Hab. Mountains, very little known, Perak, Thaiping Hills at 4000 
to 5000 ft. altitude (Kimstler). DUtrib. Borneo. 
This differs from D. Kunsileri in being a climber, sheath-spines arranged 
in series, gibbous petiole, and slightly smaller fruits. 
(22) D. geniculatus Mart. Hist. Nat. Palm. iii. 329; Ridl. 
Mat. ii. 184. Calamus geniculatus Griff. Palms of Brit. Ind. 77, 
t. 202, A, B. 
Stem 20 ft. long, i in. through, ver^^ spiny, spines fine, flat, 
pale on mouth of slieath, 2 to 6 in. long. Leaves 12 ft, long; 
petioles 2 ft. long; flagellum often long with strong hooks 4 or 5 
together; leaflets linear-lanceolate equidistant, 14 in. long, 1-5 in. 
wide. Male spadix 2 ft. long on a long unarmed peduncle, branches 
alx)ut 8, lowest 5 in. of crowded branchlets 3 in. long with spikes 
I in. long of close distichous flowers -i in. long. Spathes papery, 
6 in, long or more, lanceolate unarmed. Female spadix 18 in. 
long, branches spreading, 6 in. long. Fruit globose, -75 in. long, 
yellowish brown, longer than broad. Hab. Common in woods. 
Singapore, North Selitar; Bukit Timah. Muar (Fox). Selangor, 
Ginting LFdai; Semangkok. Perak, Thaiping Hills; Bujoiig 
Malacca. Penang (Lewis, Curtis). Kedah Peak. Kelantan, Chan- 
ing. Native names : Rotan S’grah, Rotan Dudok. 
(23) D. longipes Mart: Hist. Nat. Palm. iii. /. 176, v. 2, 3; 
Ridl. Mat. ii. 184. D. strictus Bl. Rumphia, iii. 19, 163, a, b. 
Calamus longipes, Griff. Palms of Brit. Ind. 178, t. 203, A, B. 
Stem 20 to 30 ft. long, stout. Leaves 12 ft. long; sheath with 
long stout spines at mouth and black bristles; flagellum 5 ft. 
long; leaflets equidistant or not, linear to linear-lanceolate, 14 in. 
long, I in. wide, bristly. Peduncle flat unarmed, over i ft. long. 
Spadix branches numerous. Spikes flexuous. Calyx tubular. 
Female spadix spreading. Fruit ellipsoid oblong mammillate, 
•75 in. long, yellowish scales in 14 rows longer than broad. Hab. 
Common in forests. Singapore, Chan Chu Kang; Changi; Bukit 
Timah. Johor, Simgei Tehran. Muar (Feilding). Malacca (Grif¬ 
fith), Selandor. Negri Sembilan, Tampin Hill (Burkill). Penang 
(Fox). Distrib. Sumatra. Native names: Rotan Machap; Rotan 
Chochor; Rotan Sepah. 
(24) D. periacanthus Miq. FI. Ind. Bat. iii. 593. D. dissito- 
phyllus Becc. Nelle Foresii di Borneo, 608; Ridl. Mat. ii. 183. 
A very stout, very thorny rattan 20 ft. tall. Leaves 6 to 8 ft. 
