38 LXXIV. RUBIACE^:. [Ophiorrhiza. 
(6) Q. rosacea Ridl. O. rosea Ridl. Journ. Roy. As. Soc. S. Br. 
57, p. 55, not of Hooker. 
Much-branched herb, woody at base, i ft. tall, above pubescent. 
Leaves lanceolate acuminate at both ends, glabrous above, dark 
green, beneath red (or pale whitish); midrib and nerves scurfy, 
3 to 4 in. long, i in. wide; petioles -25 to -5 in. long. Stipules 
setaceous pubescent. Cymes solitary terminal and axillary pubes¬ 
cent. ; peduncles -5 to 1 in. long; branches in flower short, in fruit 
1 in. long. Calyx urceolate, teeth lanceolate very short, pubes¬ 
cent. Corolla -25 in. long, red, cylindric dilate upwards pubescent, 
lobes oblong. Capsule M2 in. across, linear-oblong, margin straight 
glabrous. Hab. Forests, Perak, Temengoh (Ridley). 
(7) O. lancifolia Ridl. Journ. F.M.S. Mus. v. 162. 
Simple or branched, suffruticose 3 to 8 in. tall; young parts 
scurfy. Leaves narrow lanceolate-acuminate at both ends; nerves 
7 pairs, glabrous; 2 to 4 in. long, -25 to 5 in. wide; petioles long 
winged -4 to 1 in. long. Stipules very small reduced to points. 
Peduncle -3 to 1 in. long; cyme-branches slender, x in. long or less. 
Calyx small campanulate. Corolla *3 in. long, white (red when 
dry), tube cylindric, narrowed just below the campanulate short- 
lobed limb/ Stamen-tips exsert at mouth. Hab. Naung Chik, 
Kota Bharu, Bukit Sembilan (Gwynne Vaughan). Distrib. Koh 
Samui, off southern peninsular Siam. 
(8) O. fontinalis Ridl. Journ. Roy. As. Soc. S. Br. 61, p. 55. 
Herbs 3 to 5 in. tall. Stem scurfy, pubescent. Leaves lanceo¬ 
late or ovate-lanceolate, shortly acuminate, blunt, above sparsely 
pustular hairy especially on edge, beneath glaucous green; nerves 
scurfy, 1 to 3 in. long, - 3 to *25 in. wide; petioles slender, -2 in. long. 
Stipules truncate. Peduncles -5 in. long, scurfy pubescent. Cymes -5 
to *75 in. long ; branches 3, slender. Calyx m in. long, pubescent. 
Corolla white, -25 in. long, tube cylindric, lobes lanceolate acute. 
Capsule transverse elliptic, not emarginate, M2 in. long. Hab. 
On rocks in streams in the north. Pulau Adang, on Rawei Island. 
Lankawi, Telaya Tujoh (Ridley). 
(9) O. paliidula Ridl. 
Stems slightly woody and creeping below, ascending and branch¬ 
ing above, puberulous scurfy in upper parts. Leaves usually 
unequal, membranous elliptic acuminate, base rounded or very 
shortly cuneate, glabrous or obscurely pustular above, beneath 
pale; nerves 6 to 10 pairs, scurfy beneath; 1-5 to 3 in. long, 75 
to 1-25 in. wide; petioles -3 in. long or less, scurfy. Stipules 
lanceolate. Cymes terminal and in upper axils; peduncle -25 in. 
long, pubescent. Flowers crowded on short branches '2 in. long, 
sub-sessile, few, white. Calyx pubescent, short, cylindric. Corolla 
M5 in. long or more, lobes short broad. Capsule obreniform, 
sinus shallow, glabrous *2 in. wide. Hab. Hill forests, not 
common. Pahang, Tahan river woods. Selangor, Ulu Gombak, 
