Rungia.] cvi. acanthace^. 603 
terminal lax, narrow, 1 in. long; peduncle -5 in. long. Bracts 
elliptic-obtuse green. Corolla *2 in. long. Stamens 2, one anther¬ 
cell a little below the other, tailed. Capsule -15 in. long; placentas 
rising elastically. Hab. Lankawi, small islands (Curtis). 
(2) R. pectinata Nees, PL As. Rar. iii. no; Clarke in Hook, 
fil. F.B.I. iv. 550. 
A small-branched weed, 6 in. tall. Leaves oblong blunt, base 
shortly cuneate, 1 in. long, -5 in. or less wide; petioles *2 in. long. 
Spikes flat, one-sided sessile, terminal and axillary, -25 to -5 in. 
long. Bracts dimorphous distichous, lanceolate acute mucronate, 
hairy on the edge, -15 in. long, opposite, one ovate, edged white. 
Bracteoles narrow. Sepals linear acuminate. Corolla *i in. long, 
white with blue lower lip, -25 in. long or less. Hab. Open sandy 
places, Perlis, Kanga (Ridley). Dtstrib. India. 
29 . RHINACANTHUS, Nees 
Erect herb. Flowers in sub-sessile distant clusters on branches 
of a panicle. Bracts very small, linear. Sepals 5, linear, hairy. 
Corolla 2-lipped; tube slender cylindric, longer than limb, anticous 
lip 3-lobed, posticous, narrow-oblong linear curved and curled. 
Stamens 2, shortly exsert; anther-cells 2, one a little below the 
other, not tailed. “Ovary hairy. Capsule stalk cylindric. Seeds 4, 
in tip pubescent. Placentae not elastic. Species 3 or 4, Africa 
and India. 
(1) R. communis Nees, Wall. PI. As. Rar. iii. 109. 
Two to four ft. tall, rather stiff. Leaves ovate to lanceolate, 
narrowed at both ends, sub-obtuse, 2 to 4 in. long, 1 to i*$ in. 
wide; petioles - 35 in- long. Panicles lax axillary, 3 in- ^°ng, 
cymose at end of branches. Calyx -25 in. long. Corolla white, 
tube *5 in. long; limb *3 in. across. Capsule •7 in. long, hairy. 
Hab. Open places chiefly in the north, Malacca (Griffith). Penang 
(Deschamps, Curtis). Setul. Perlis, Kanga (Ridley). Distnb. 
Indo-Malaya. 
30 . PTYSSIGLOTTIS, Anderson 
Herbs, usually rather lax, spreading. Panicles lax. Flowers 
small distant, solitary or in clusters. Corolla 2-lipped, white or 
yellow. Stamens 2 ; anther-cells 2, parallel and at equal height, 
or the lower slightly divaricate, but without tails. Capsule as 
in Justicia. Seeds 2 or 4. Species 12, Indo-Malaya. Panicle 
open with long branches. 
Slender scrambling, rooting plant; panicles cymose; 
flowers white ...... 
Erect fleshy and shrubby herbs. 
Panicle of few-branched, long spikes; flowers yellow. 
Leaves obovate, broad, glabrous 
Leaves lanceolate ; panicle pubescent 
Panicle dense oblong; leaves lanceolate; flowers 
yellow . t i * * • • 
(1) P. subcordata 
(2) P. obovata 
(3) P. parviflora 
(4} P. densiflora 
