582 cvi. acanthace ^ e . [Gymnostachyum. 
(13) G. insulare Ridl. Journ. Roy. As. Soc. S. By. 61, p. 57. 
Herb about 2 ft. tall, glabrous, internodes 3 in. long. Leaves 
lanceolate acuminate, 7-nerved, 7 in. long, 2*5 in. wide; petioles 
slender, 1 in. long. Panicle lax terminal; branches short to 2 in. 
long. Bracts linear acuminate, -05 in. long. Pedicels -i in. long. 
Sepals lanceolate acuminate, as long as tube. Corolla-tube short 
thick, little longer than lobes, -12 in. long; limb *25 in. across, 
pubescent, white. Capsule terete, 1 in. long on a thickened, 
lengthened pedicel. Seeds 8. Hab. Adang group, Rawei island 
in woods (Ridley). 
16 . ANDROGRAPHIS, Wall. 
Herbs. Leaves entire. Racemes or spikes i-sided axillary 
and terminal often forming panicles. Bracts very small. Flowers 
solitary or in few-flowered clusters, distant. Sepals small linear. 
Corolla 2-lipped, base tubular, white, spotted pink on palate. 
Stamens 2, hairy; anther-cells ovate, base acute. Capsule 
narrow-oblong, sides parallel with seed from base. Seed 6 to 12, 
cuboid pitted. Species 18, India, China, and Malaya. 
Leaves lanceolate; flowers lax-panicled . . . (1) A. paniculata 
Leaves ovate; flowers sub-racemose . . * (2) A. tenuiflora 
(1) A. paniculata Nees, Wall. PI. ^ 4 s. Rar. iii. 116; Clarke, 
l.c. 665. 
Annual, 1 to 3 ft. tall. Leaves lanceolate, glabrous, acuminate, 
2-5 in. long, -5 to 75 in. wide; petioles *25 in. long. Racemes 
spreading numerous forming a panicle 4 to 12 in. long and some¬ 
times 9 in. across, very lax. Calyx -05 in. long. Corolla -4 in. 
long. Capsule -5 to 75 in. long, sub-acute both ends. Hab. 
Open sandy places, Penang, Jelutong (Curtis). Setul, abundant in 
waste ground (Ridley). Disirib. India. 
(2) A. tenuiflora T. Anders. Journ. Linn. Soc. ix. 502. 
Branched herb, 2 ft. tall. Leaves ovate acute, base decurrent 
shortly on the petiole, 2 to 2-5 in. long, 1-5 in. wide; petioles -4 in. 
long. Racemes sometimes branched, very slender axillary and 
terminal. Flowers distant. Sepals very narrow, setaceous. 
Corolla -4 in. long. Hab. Lankawi, Terutaty and other isles (Curtis, V 
Ridley). Distrib. Indo-Malaya. 
17 . PHIALACANTHUS, Benth. 
Shrubs with opposite equal leaves. Racemes terminal, few- 
flowered, glabrous. Flowers rather large, nodding. Sepals united 
in a tube at base. Corolla with a short tube and dilate at the top. 
Stamens 4. Capsule supported by the elongate hardened tube, 
stalked. Seeds 4. Species 4 or 5, 1 Assam, the others Malay 
Peninsula, 
