650 cviii. labiat^e. [ Anisomeles. 
long, 75 to 175 in. wide; petioles *5 in. long. Flowers in dense 
whorls 1-25 in. across or less, woolly. Calyx -3 in. long. Corolla 
•8 in. long, dark purple. Hab. Waste ground. No doubt intro¬ 
duced, Penang (Wallich); Ayer hitam at Tat’s Comer (Curtis). 
Distrib. India, Ceylon. 
13 . LEUCAS, R. Br. 
Herbs, shrubby or not. Flowers medium in dense terminal 
axillary whorls. Calyx 10-nerved; teeth 6 to 10. Corolla white, 
upper lip erect, concave, villous, lower lip trifid, midlobe large. 
Stamens 4, upper pair shorter, ascending, under upper lobe. Nut¬ 
lets ovoid. Species about 100, tropics. 
Whorls numerous axillary; corolla small . . (1) L. martinicensis 
Whorls terminal few; corolla conspicuous. 
Hairy plant with lanceolate leaves ‘25 to -5 in. 
. across .(2) L. zeylanica 
Finely puberulous; leaves narrow linear lanceolate (3) L. lavandulifolia 
(1) L. martinicensis R. Br. Prodr. 504; Prain, lx. 718. 
Herb 4 ft. tall; stems 4-angled shortly hairy. Leaves ovate- 
lanceolate or lanceolate acuminate, coarsely serrate, 2*5 to 3*5 in. 
long, 1 to 175 in. wide; petioles -4 to 7 in. long, all hairy. Whorls 
of flowers axillary, numerous, 75 to 1-25 in. through. Calyx -4 in. 
long, tubular curved, pubescent, teeth 10, lanceolate spined. 
Corolla *35 in. long, white, lateral lobes of lower lip broader than 
the bifid central one. Hab. Rare, probably a stray weed. Perak 
(Scortechini). Distrib. Tropics, both worlds. 
(2) L. zeylanica R. Br. Prodr. 504; Prain , lx. 719. 
Branching herb, 6 to 12 in. tall; stems slender, 4-angled, hairy, 
pale beneath ovate-lanceolate to lanceolate sparsely serrate, base 
long-cuneate, 1*5 to 3 in. long, *25 to -5 in. wide; petioles *i to 
*2 in. long. Flowers sessile in terminal heads, 75 in. through with 
6 to 8 narrow leaves at the base. Bracts *25 in. long, spiny linear. 
Calyx turbinate, -2 in. long; mouth oblique, 10-nerved, teeth 8. 
Corolla -5 in. long, white, tube straight pubescent at top, midlobe 
large, clawed. Hab. Waste ground, coconut plantations, road¬ 
sides, very common. Singapore and Johore. Pahang, Pekan, 
Malacca (Griffith). Perak, Telok Anson. Penang coast (Curtis). 
Distrib. Indo-Malaya. Native name: Katumbit. Use: As a 
cure for scabies. 
(3) L. lavandulifolia Sm. Rees , Cyclop, xx. 2; Prain, lx. 
719. 
Branched, slender herb 6 to 12 in. tall, 4-angled, puberulous. 
Leaves herbaceous, linear-lanceolate, base long attenuate, sparsely 
serrate, 2 to 2-5 in. long, -2 in. wide; narrowed to base or with 
petiole distinct, *2 in. long. Flowers in axillary and terminal 
whorls with narrow leaves round them, -4 to *6 in. across. Calyx 
