134 
LXXIV. RUBIACE^E. 
[Psychotria. 
triangular acuminate, *2 in. long. Cymes terminal or axillary, sessile 
or short peduncled, I in. long with few branches, trichotomous. 
Flowers -2 in. long on short pedicels. Calyx-tube cylindric, lobes 
oblong, blunt. Corolla narrow campanulate, densely silky in 
mouth 4-lobed. Fruit ovoid, sub-globose, fleshy, bright red, 
•3 in. long. Seeds i-ridged on back, flat surface grooved. Hab. 
Rocky places. Not common. Pulau Tiuman (Burkill); Malacca, 
Mt. Ophir (Hullett). Negri Sembilan, Tampin Hill (Burkill). 
Selangor, Ulu Gombak. Dhidings, Gunong Tungul. Kelantan, 
Chaning. Distrib. India and Burma. 
(18) P. rostrata Bl. Bijdr. 961. Chasalia rostrata Miq. Ann. 
Mus. Bot. Lugd. Bat. iv. 203 ; King , Journ. /Is. Soc. Beng. lxxiii. 134. 
Glabrous shrub with slender branches about 6 ft. tall. Leaves 
thin membranous, elliptic-oblong acuminate, cuspidate, base 
narrowed; nerves 5 to 6 pairs, conspicuous, widely inarching, 
reticulations conspicuous, 3 to 6 in. long, 1-5 to -3 in. wide; petioles 
*2 in. long. Stipules in a short tube with bristles. Cymes small, 
usually under *5 in. long with short branches on slender peduncles 
1-25 in. long. Calyx olive yellow, 4-toothed. Corolla white, tube 
as long as lobes, oblong, 4. Stamens 4. Fruit pulpy white, obovoid, 
*2 in. long. Hab. Common in lowland woods. Singapore, Selitar; 
Pulau Ubin; Garden Jungle. Johor, Sedenak; Simpai, Batu 
Pahat (Kelsall). Malacca, Ayer Keroh; base of Mt. Ophir. Negri 
Sembilan, Burunang and Gunong Bumban (Cantley). Selangor, 
Kwala Lumpur; Semangkok; Dusun Tua. Perak, Larut (Kunst- 
ler). Bindings, Gunong Tungul. Kelantan, Chaning. 
var. with very narrow leaves. Top of Mt. Ophir. Distrib. 
Sumatra. 
(19) P. lanceolaria Ridl. 
Slender, glabrous shrub. Leaves lanceolate-acuminate, long 
narrowed to base, membranous; nerves 10 pairs inarching, 6 in. 
long, 2 in. wide; petioles very slender, 1-5 in. long. Stipules 
ovate acuminate, -12 in. long. Cymes 1 in. long and wide; peduncles 
•25 in. long; branches and flowers few. Flowers small, white; 
pedicels short. Calyx small, cup-shaped, lobes 4, ovate, sub-acute. 
Corolla -I in. long, white, tube longer than calyx, silky within, 
lobes 5, oblong, blunt. Fruit -2 in. long, globose, obscurely 4-ridged. 
Hab. Forests. Selangor, Batu Caves (Ridley). 
(20) P. Helferiana Hook. fit. F.B.I. iii. 172; King, l.c. 13, 
not of Kurz. 
Low unbranched shrublet 1 to 2 ft. tall or less, densely hairy 
all over. Leaves elliptic-lanceolate long acuminate, base long, 
narrowed or short cuneate, membranous; nerves 10 pairs, slender, 
prominent beneath; 7 to 9 in. long, 4 to 4-5 in. wide; petioles 1 to 
1*75 in. long. Stipules *5 to 1 in. long, oblong-lanceolate, subulate, 
hairy. Heads -5 to 75 in. through, dense globose very hairy, in 
axillary cymes an inch or more long, generally below the leaves 
