122 CLViii. AROiDEiE. [Raphidophora. 
or green. Spadix i in, long or less, yellowish. Flowers very 
small. Ovary, top rounded not angled; stigma circular. Fruit 
•12 in. long. Seed elliptic, flat, brown. Hab, On trees in tidal 
rivers, wide-spread, often in great masses covering trees. Singa¬ 
pore, Toas. Johor, Kota Tinggi; Tebrau River. Pahang, Pekan. 
Malacca, Perak, Matang (Wray), Setul. Distrih. Borneo at Ku¬ 
ching. Native name : Kelamoyiang Ayer. 
(4) R. Lobbii Schott, Bonplandia, v. 1857, p. 45; Hook, fil, 
F.B.l. vi. 544: Ridl. Mat. hi. 41. 
Stem slender, -25 in. through, 4-angled below, 12 to 14 ft. long. 
Leaves oblong-lanceolate, falcate or lanceolate, cuspidate, narrowed 
at base, thinly coriaceous flaccid, dull green, paler beneath; nerves 
12 pairs or more, distinct; 8 to 9 in. long, 2 to 3 in. wide; petioles 
I to 3 in. long, base thickened, for -5 in., channelled to knee. 
Peduncle i in. long. Spathe cylindric cuspidate, i in. long, yellow, 
thick. Spadix -75 in. long in flower, i in. long in fruit, blunt. 
Stigmas discoid. Seeds 6, elliptic flattened. Hab. On low trees 
and shrubs in jungle swamps. Common. Singapore, Bukit Timah, 
Chan chu Kang. Johor, Batu Pahat. Malacca, Selandor. Perak 
(Cantley); Ulu Bubong (Kunstler); Larut. Distrib. Borneo. 
Native name : Akar Asam Tebing Paya. Use : Leaves eaten in 
curries. 
(5) R. crassifolia Hook. fit. F.B.L vi. 543; Ridl. Mat. hi. 42; 
Engler, Pflanzenreich, l.c. 22, fig. 5. 
Stem 20 to 30 ft. long, -25 in. through, 4-angled. Leaves 
thickly coriaceous; nerves numerous, fine, invisible beneath when 
dry; lanceolate oblique, minutely cuspidate, base narrowed, acute, 
6 to 7 in. long, 1-5 to 2 in. wide; petioles 1-25 to 2-5 in. long, 
slender. Peduncles *5 in. long. Spathe cylindric, thick coriaceous, 
3 in. long, cream coloiu. Spadix purple and yellow. Hab. Rare 
on trees in forests. Selangor, Rawang, Camphor forests. Perak, 
Batang Padang (Kunstler); Thaiping Waterfall. 
(6) R. Wrayi Hook. fU. F.B.l. vi. 544; Ridl. Mat. hi. 42. 
Stem woody, 30 to 40 ft. long, -12 in. thick, angled. Leaves 
narrow, lanceolate acuminate falcate, narrow at base, thinly coria¬ 
ceous, 8 to 9 in. long, 1-25 in. wide; petioles slender, 1-5 in. long, 
channelled. Peduncles i to 2 in. long. Spathe 1-25 in. long, 
•4 in. wide, cylindric cuspidate. Spadix oblong blunt, 1-5 to 2-5 in. 
long. Stamens 2. Ovary-top small, rhomboidal. Fruit very small. 
Seeds 6, narrowly elliptic, deep brown. Hab. Climbing on trees in 
forests, Pahang, Telom, abundant; Fraser Hill (Burkill). Selangor, 
Batu Caves (Engler). Perak, Thaiping Hills; Gunong Batu Putih 
(Wray). Penang Hill (Burkill). 
(7) R. Scortechinii Hook. fil. F.B.l. vi. 515; Ridl. Mat. 
hi. 42. 
Stem creeping on stones, nearly as thick as the little finger. 
Leaves ovate-lanceolate inaequilateral, caudate acuminate, base 
