138 
LXXIV, RUBIACE2E. 
[P sy choir ia. 
(30) P. rudis Ridl. Journ. Roy. As. Soc. S. By. 79, p. 87. 
Small unbranched shrub. Leaves elliptic-lanceolate, long acumi¬ 
nate and long narrowed to base, membranous, drying grey, sparsely 
hairy on nerves and nervules above, thickly sprinkled with hairs 
beneath, nerves 10 pairs elevate beneath; 6 to 8 in. long, 2 to 
2*5 in. wide; petioles slender, hairy, 75 in. long. Panicle terminal 
hairy; peduncle and branches slender. Fruit oblong, 4-angled, 
black, -24 in. long; pyrenes inner face flat elliptic, back rounded 
with 1 keel. Hah. Kedah Peak 2800 to 4000 ft. altitude 
(Robinson). 
Allied to P. Griffithii, but leaves hairy and thinner. 
(31) P. siamensis Ridl. Journ. Roy. As. Soc. S. Br. 59, p. 120. 
Glabrous erect branching shrub. Leaves coriaceous, lanceolate- 
acuminate or not, base narrowed drying light green; nerves n 
pairs elevate beneath; 4-5 in. long, 175 in. wide; petioles *25 in. 
long. Stipules connate with short triangular blunt points. Panicles 
dense, elongate, 2 in. long; branches very short. Flowers small, 
numerous. Calyx cup-shaped with 5 small points. Corolla twice 
as long, tube short, lobes ovate acute 5, mouth hairy. Stamens 
exsert. Fruit globose, -12 in. long, base narrowed 6-ribbed. Hah. 
Open places in the north. Setul heaths. Lankawi (Curtis). 
(32) P. angulata Korth. Ned. Kruidk. Arch. ii. 243; King, 
l.c. 12. 
Shrub 4 to 6 ft. tall. Branches angled, glabrous. Leaves 
coriaceous, oblanceolate cuspidate acute, base narrowed shining 
above (drying red), midrib prominent both sides; nerves 8 to 
10 pairs, depressed above, fine elevate beneath; 4 to 6 in. long, 
1 to 175 in. wide; petioles -2 to *5 in. long. Stipules broad, tri¬ 
angular acute, *25 in. long. Cymes pyramidal, many-flowered, 
1 in. long and wide, branches 4-angled thick, on peduncles 1*5 in- 
long, 4-angled at top. Flowers sessile or nearly so, -i in. long, 
crowded at branch-ends with ovate-acute bracts. Calyx short 
campanulate 4-toothed. Corolla little longer tubular, lobes hooded 
oblong, silky inside. Fruit elliptic, black, -25 in. long. Cyme 
much larger than in flower, 3 in. long and wide. Seed plano¬ 
convex. Hah. Woods. Common up to 2000 ft. altitude. Singa¬ 
pore Changi; Garden Jungle. Johor, Batu Pahat. Pahang, 
Pekan; Rumpin River. Malacca (Griffith). Negri Sembilan, 
Kwala Pedas. Selangor, top of Batu Caves. Dindings, Bruas. 
Perak, Thaiping Hills (Haniff). Province Wellesley, Tasek Gelugur. 
Penang Hill, Muka Head (Curtis). Lankawi, Burau. Kedah, 
Alor Sta. Perlis, Chupeng. Distrib. Burma. 
The northern plants have much larger cymes, smaller flowers and thinner 
leaves. 
( 33 ) P* setistipula Ridl. Journ. Roy. As. Soc. S. Br. 79, p. 88. 
Shrub; bark pale. Leaves coriaceous, lanceolate, glabrous. 
