262 CXXVIII. EUPHORBIACE^E. [Croton. 
Negri Sembilan, Bukit Klana (Cantley). Perak, Larut (Kunstler). 
Distrib. Siam. Native name: Lidai api. 
(7) C. lucidum Gage, Rec. Rot. Snrv. Ind. l.c. 236. 
Shrub or small tree. Leaves thinly coriaceous elliptic-ovate or 
lanceolate caudate-acuminate, base blunt rounded or sub-cuneate, 
edge very obscurely serrate undulate glabrous except a few sparse 
hairs on the midrib and nerves beneath; nerves 9 pairs, very 
slender; 4 to 5 in. long, 1*5 to 2 in. wide; petioles stellate-hairy, 
•25 to 1*5 in. long. Racemes terminal fascicled tomentose (glabrous 
or minutely stellate scaly). Flowers male at top, a few females 
at base. Male flowers; sepals 5 lanceolate tomentose (or red-scaly) 
bearded inside near tip. Petals 5 oblong. Disc annular. Stamens 
ir, hairy below. Female flowers; sepals 5 oblong-ovate. Petals 
minute, scale-like. Disc annular. Ovary ovoid triquetrous densely 
red stellate-tomentose; styles bifid, arms filiform. Hab. Johor, 
Gunong Pulai and between Kota Tinggi and Gunong Pantai (Ridley). 
(8) C. tiglium Linn. Sp. PL 1004; Hook. fU. F.B.I. v. 393. 
Bush or small tree, glabrous. Leaves membranous ovate 
acuminate serrate, base round very shortly narrowed, 3- to 5-nerved, 
4-5 in. long, 375 in, wide; petioles 1*5 in. long, slender. Racemes 
2 to 3 in. long. Male flowers stellate-hairy. Sepals nearly 
glabrous, tips bearded. Petals narrow, edges woolly. Receptacle 
villous. Stamens glabrous. Disc glands 5 small. Female flowers; 
sepals villous at base. No petals. Capsule oblong 3-lobed green 
or whitish somewhat trigonous, 75 in. long. Seed -5 in. long, 
oblong, dark grey. Hab. Cultivated ground, Malacca (Maingay) 
cultivated. Kelantan (Gimlette). Distrib. Indo-Malaya and 
China. Native names: Chengkian; Chemkian. Use: As a 
purgative and in poisoning (see Gimlette, “ Malay Poisons and 
Charm Cures,” ed. ii. 145). 
(9) C. heteropetalum Mull. Arg. in DC. Prod. xv. (2), 621. 
C. ardisioides Hook. fil. F.B.I. v. 393. 
A robust shrub or tree quite glabrous. Leaves oblong or 
linear or obovate-oblong narrowed to the base, tip blunt, edges 
boldly crenate, glabrous; nerves fine; 2 to 4 in. long, *5 to 1*5 in. 
wide; petioles -i to 1 in. long. Racemes slender, 4 in. long; flowers 
scattered. Sepals glabrous in males with bearded tips, in females 
ovate blunt. Stamens 12. Ovary depressed stellate-tomentose; 
styles bifid. Capsule *12 in. through, globose smooth. Hab. 
Johor, Sempang River (Ridley). Malacca (Griffith). Distrib. 
Borneo. 
(10) C. calcicolum Ridl. Kew Bulletin, 1923, p. 360. 
Shrub 8 ft. tall. Branches stellate-hairy. Leaves membranous 
chartaceous, elliptic-oblong acute, base narrowed blunt rounded 
very shortly bilobed, edge minutely glandular, above nearly glabrous 
when adult except midrib, beneath stellate-hairy; nerves 12 or 
13 pairs slender elevate beneath (young leaves velvety beneath); 
