516 LXXXIII. LABIATE [Flectranthus 



lobed, blade 1-2, pet. J in. long. Whorls 6-10-fld., axillary, calyx 10-ribbed, lobes 

 much enlarged in fr., spathulate, rigid, reticulate. 



Elsnoltzia polystaehya, Benth. ; Collett Simla Fl. 388, fig. 123. — Syn. Aphanochilus 

 polystachyus, Benth. in "Wall. PL As. Ear. t. 33. Vern. Pathoi, Potha, Jauns. 

 Himalaya, also in the inner arid valleys. 7-9,500 ft. Khasi hills. China. A shrub, 

 attaining 8 ft., bark peels off in long strips, branches, 1. and inflorescence pubescent. 

 L. sessile or nearly so, elliptic-lanceolate, serrate, 3-6 in. long. Fl. shortly pedicelled 

 or sessile, in long usually fascicled or panicled spikes, bracts minute, corolla white, 

 pubescent. Fruiting calyx pedicellate, tubular, teeth erect. 



1. PLECTRANTHUS, L'Herit. ; Fl. Brit. Ind. iv. 616. 



Mostly herbs, a few shrubs. Fl. small, cymes arranged in a terminal 

 usually compound thyrsus. Calyx enlarged in fr., corolla 2-lipped, upper lip 

 short, broad, recurved, lower much longer, boat-shaped, narrowed at base. 

 Stamens 4, included in the lower lip. Species 90, tropical and subtropical 

 Asia and Africa. Australia, Polynesia. 



1. P. ternifolius, Don. Subhimalayan tract and outer hills, ascending to 5,000 ft., 

 from Kashmir eastwards. Bengal. Khasi hills. Manipur. Upper Burma. Tonkin. 

 A strict, tomentose shrub, attaining 6 ft. L. in whorls of 3, nearly sessile, lanceolate, 

 2-4 in. long. Fl. white, thyrsus long dense spiciform, panicled, fruiting calyx tubular, 

 equally 5-toothed. 2. P. rugosus, Wall. Vern. Boi, Bui, Haz. Baluchistan, Kuram 

 valley. Western Himalaya, on dry slopes, 3-9,000 ft., also in the inner arid valleys. 

 Mt. Abu. A small shrub, stellately pubescent, 1. ovate, rugose above, white-tomentose 

 beneath, blade J-l, pet. J in. Fl. bluish- or purplish-white, in lax pedunculate axillary 

 cymes, fruiting calyx 5-toothed, somewhat 2-lipped. 



Otostegia limbata, Benth. Punjab, Salt range, Hazara (Chiti boi), common in very 

 dry places. Kashmir, Chamba, ascending to 6,000 ft. A small grey-pubescent spiny 

 shrub, 1. nearly sessile, lanceolate or oblanceolate, J-l iu. long ; sharp pubescent often 

 trifid spines between petioles (transformed bracts). Fl. in distant axillary whorls, 

 calyx with a broad membranous 5-toothed limb, in fr. expanding into a reticulated 5- 

 angled-cup, § in. diam. 



Leucosceptrum canum, Smith. Outer Himalaya, Kumaon to Bhutan 2-8,000 ft., 

 common in clearings and on deserted fields. Khasi and Manipur hills. Shan hills and 

 hills east of Bhamo, 4-000 ft., Upper Burma. Yunnan. A shrub or small tree, attaining 

 30 ft., branches, petioles, underside of 1. and inflorescence densely clothed with short 

 usually white sometimes buff or brown wool, branches stout, nearly terete. L. elliptic- 

 lanceolate, entire or crenate, glabrous above, blade 6-12, pet. 1 in. Fl. in dense 

 cylindrical erect spikes 4-6 in. long, 1 in. diam. with the stamens, bracts large trans- 

 versely oblong, early caducous, imbricating and covering the very young buds. 

 Corolla white, filaments involute in bud, stout, yellow, J in. long, anthers reniform. 

 Drops of viscid sweet liquid in each fl. 



Pogostemon pleetranthoides, Desf . Subhimalayan tract and outer hills, ascending to 

 5,000 ft., Simla to Nepal. Centra] provinces. Behar. Chutia Nagpore, Western 

 Peninsula. Upper Burma. Phangli, Mar. A large gregarious, very aromatic shrub, 

 stem dark purple, pith large. Fl. in dense bracteate whorls, crowded in cylindric spikes, 

 forming large terminal panicles, bracts numerous, large, clothed with long soft hairs. 

 Calyx-teeth 5, equal, corolla J in. long, white, tinged with pink. Stems used for rab 

 (wood-ash manure) in paddy nursery beds. A species with small glabrous bracts, near 

 P. glabrum, Benth., Bhamo 4,000 ft. reported by Montague Hill to be a shrub or small 

 tree with white fl. P. Patchouli, Pelletier, believed to be a native of the Indian Archip., 

 yields the well-known perfume. 



2. COLQUHOUNIA, Wall. ; Fl. Brit. Ind. ii. 674. 



Prain in Journ. As. Soc. Bengal 62. 30. 



Tall, rambling or climbing shrubs, branches terete. Whorls axillary or 

 forming lax-fid. spikes, fl. pink, orange, scarlet or brown. Calyx 10-nerved 

 equally 5-toothed, throat naked. Corolla 2-labiate, tube narrowed, longer 

 than calyx, throat inflated. Stamens 4, anther-cells divergent. Nutlets com- 

 pressed, tip produced into a wing. Species 2. 



1. C. coccinea, Wall. Bhilmora, Kum. Himalaya, 5-9,030 ft., from Kumaon east- 



