182 lxxv. composite. [Mikania. 
Common in hedges and borders of woods to about 4000 ft. altitude. 
Singapore, Jurong, etc. Johor, Pulau Kukub. Pahang, Pekan; 
Telom. Malacca. Negri Sembilan. Selangor. Distrib. Assam, 
Malay Islands, Africa. Native names : Akar Lupang; Churoma; 
Akar Ulam Tikus. 
7 . AGERATUM, Linn. 
Erect herbs. Leaves opposite below, alternate above, mem¬ 
branous. Heads in corymbs. Involucre campanulate; bracts in 
2 to 3 series linear. Corollas similar tubular, blue or white. 
Achenes 5-angled. Pappus of 5 short spreading scales. About 
20 species, American, 1 (or more) now cosmopolitan. 
(1) A. conyzoides Linn. Sp. PL 839; King, Lc. 29. 
Annual, 1 to 3 ft. tall, sparsely white hispid. Leaves ovate, 
base broad or cuneate, dentate; nerves 2 to 3 pairs; 1 to 3*5 in. 
long and nearly as wide; petioles *25 to 1 in. long. Heads *25 
in. across. Flowers white; style violet. Calyx-lobes lanceolate 
acuminate, hairy. Achene black, hairy with persistent calyx-lobes. 
Hab. Common everywhere in waste ground. Distrib. All tropics. 
Native names: TahiAyam; Tombok jantan; Sianggit. White weed. 
8 . ADENOSTEMMA, Forst. 
Herb with opposite membranous leaves. Heads in lax spreading 
corymbose cymes. Involucre campanulate; bracts green, 2-seriate 
oblong. Corollas similar, white, tube short, limb 5-toothed. 
Achenes 5-ribbed, glandular. Pappus of 3 to 5 clavate stiff hairs. 
Species 5 or 6, American, 1 cosmopolitan. 
(1) A. viscosum Forst, Char. Gen. 20; King, l.c. 28. (Fig. 84, 
p. 183.) 
Usually about 1 ft. tall, wide-branched more or less pubescent. 
Leaves ovate acuminate, long narrowed into petiole, serrate, 4 to 
6 in. long, 2 to 3 in. wide; petioles -25 to 2*5 in. long. Cyme 
terminal, 6 in. long and wide; branches long, slender with a leaf¬ 
like bract at base. Heads about *25 in. across. Hab. Waste 
ground and in damp spots in forest up to 4000 ft. altitude. Not 
rare, variable in size, form of leaves, pubescence, etc., according 
to locality. Singapore, Bukit Panjang; Pulau Ubin (Hullett). 
Johor, Pulau Tiuman. Malacca (Griffith). Negri Sembilan, Bukit 
Tangga. Selangor, Batu Caves; Menuang Gasing (Kloss). 
Pahang, Telom 4000 ft. altitude. Tringganu, Bundi (Rostados), 
Kelantan, Kwala Aring (Yapp); Kota Bharu. Perlis, Chupeng. 
Distrib. Whole world. Native names: Rumput Babi; Sumbong 
Gajah; Rumput Pasir. 
9 . ENHYDRA, Lour. 
Glabrous or pubescent marsh herbs. Leaves opposite, entire 
or nearly so, linear-oblong, fleshy. Heads axillary sub-sessile, 
