Orthosiphon.'] 
CVIII. LABIATE. 
645 
4. ORTHOSIPHON, Benth, 
Herbs (or low shrubs). Flowers in whorls in a terminal raceme. 
Calyx 2-lipped ovoid or campanulate, lower lip 4-toothed, upper 
lip broad, membranous. Corolla 2-lipped, tube slender, lower lip 
entire concave, upper lip 3- to 4-fid. Stamens 4, very long exsert ; 
filaments free ; style long. Nutlets dry. Species about 60. Old 
World tropics. 
(1) O. stamineus Benth. Wall. PI. As. Rar. ii. 15 ; Pram, l.c. 703. 
Slender herb usually 1 ft. or more tall; stems 4-angled, purplish. 
Leaves membranous ovate acuminate, base cuneate, edge serrate, 
2 to 4 in. long, *75 to 1*5 hi- wide; petioles '25 to -4 in. long. 
Raceme 4 to 8 in. long. Calyx campanulate, -15 im long. Corolla 
puberulous white or pale violet ; tube three Jmes as long as calyx. 
Stamens projecting horizontally 1-5 in. beyond corolla. Hah. 
Wild in the north, cultivated only in the south, in open pastures. 
Perak, Bernam River (Kunstler). Lankawi. Setul (Ridley). 
Distrih. Assam, Burma, Siam, wild; Malay isles and. Australia, 
doubtfully wild. Native names : Kumis Kuching ; Cat s whiskers. 
Use : A very popular bedding plant; flowers usually white but 
violet forms occur. 
5. HYPTIS, Jacq. 
Herbs (or shrubs). Flowers small in dense capitate or lax 
cymes axillary. Calyx 10-nerved ovate or campanulate ; teeth 5, 
sub-equal. Corolla 5-lobed, lowest lobe abruptly deflexed, edge 
thickened, the other erect or spreading flat. Stamens 4. Nutlets 
oblong or ovoid. Species 250, American, 2 introduced here. 
Flowers in globose heads axillary, white . . - I 1 ) H. brevipes 
Flowers few in racemose cymes, violet . . . (2) H. suaveolens 
(1) H. brevipes Poit. Ann. Mns. Par. vii, 465; Pram, l.c. 704. 
Herb 2 to 3 ft. tall, 4-angled, hairy in young parts. Leaves 
ovate-oblong or lanceolate-acute serrate, base long cuneate, sparsely 
hairy, 2 to 3 in. long, -5 to 1 in. wide; petioles -25 to -5 in. long. 
Flowers in dense heads one to each leaf, *25 to -4 in. through, on 
peduncles -4 in. long, hairy. Bracts stiff, ciliate, -2 in. long. Calyx 
•1 in. long; teeth as long as bracts. Corolla *2 in. long, white. 
Hah. Common in marshes and damp, open spots, Singapore, 
Tanglin; Jurong. Johor, Batu Pahat. Pahang, Pekan. Malacca, 
Ayer Panas (Cantley). Selangor, Rawang; Kwala Lumpur. 
Negri Sembilan, Seremban. Perak, Thaiping. Penang (common, 
Curtis). Distrib. America, Africa, Malay isles. Native names; 
Sarilngank; Sarihutan; Sari Enggang. 
(2) H. suaveolens Poit. Ann. Mus. Par. vii. 472, t. 29, fig. 2 ; 
Prain, l.c. 705. 
Branched herbs 2 to 4 ft. tall, very aromatic hairy. Leaves 
ovate sub-acute, base round or cuneate, pilose above, grey-pubes¬ 
cent beneath, serrulate, *75 to 3 in. long, -6 to 2 in. wide; petioles 
