LXXV. LABIATE 
387 
f-1 in. long, pale blue, in whorls of 6-8 forming long, leafless, 
interrupted, spike-like racemes. Calyx hairy ; tube bell-shaped, 
deflexed and slightly enlarged in fruit ; teeth 5, acute, upper one 
ovate, others narrowly lanceolate. Corolla-tube deflexed, longer 
than the calyx ; limb 2-lipped, upper lip reflexed, 3-lobed, lower 
much longer, boat-shaped, entire, acute. Stamens 4, in unequal 
pairs, lying along the lower lip of the corolla, filaments united 
near the base, sheathing the style. 
Valleys below Simla ; September. — Simla to Nepal, 2000-7000 ft. — S. India. 
— Africa. 
Cultivated in S. India for the edible, tuberous roots. 
C. aromaticus, Benth., a native of the Moluccas, is cultivated in gardens 
throughout India, the fragrant leaves being used in domestic economy. 
4. POGOSTEMON. From the Greek pogon, a beard, and stemon , 
thread ; referring to the hairy filaments. — India, Central Asia. 
Pogostemon plectranthoides, Desf. ; FI. Br. Ind. iv. 632. A 
strongly scented, pubescent shrub ; young parts tomentose. 
Leaves opposite, stalked, ovate, 3-6 in., coarsely and irregularly 
toothed, long-pointed. Flowers hardly \ in. long, white, tinged 
with pink, in large whorls crowded in numerous, cylindric 
spikes forming terminal, erect panicles ; floral leaves bract-like, 
hairy, glandular, ovate, acute. Calyx tubular, 5-toothed ; teeth 
nearly equal. Corolla-tube curved, longer than the calyx ; limb 
spreading, 4-lobed, lobes nearly equal, obtuse. Stamens 4, nearly 
equal, far protruding, filaments lilac, bearded with long, lilac, 
beaded hairs. 
Sutlej valley, Suni ; April-October.— Throughout India, ascending to 
5000 ft. 
The perfume patchouli is obtained from P. Patchouli, a native of tropical 
Asia, cultivated for export in the Straits Settlements. 
5. DYSOPHYLLA. From the Greek dysodes, fetid, and 
phyllon, a leaf ; referring to the strong odour of the leaves. — 
Tropical Asia and Australia. 
* Dysophylla crassicaulis, Benth. ; FI. Br. Ind. iv. 640. A 
glabrous, erect or ascending herb, 6-24 in. Leaves 4-6 in a 
whorl, sessile, narrowly oblong or lanceolate, 1-2 in., toothed, 
obtuse. Flowers minute, blue-purple, in large whorls crowded 
in slender, cylindric, terminal spikes 1-4 in. long. Calyx hairy, 
ovoid, 5 -toothed. Corolla tubular ; limb 4-lobed, erect or slightly 
spreading. Stamens 4, nearly equal, far protruding, filaments 
bearded with blue-purple, beaded hairs 
N. India, in swamps, ascending to 4000 ft. 
6. COLEBROOKEA. In honour of H. T. Colebrooke, Chief 
Judge of the Supreme Court at Calcutta, and a botanical author 
of the eighteenth century. — India. — A single species. 
