XXXV. MELIACEiE. 
Lansium.] 
411 
obsolete. Ovary globose 3- to 5-celled, cells 1- to 2-ovuled; style 
very short thick. Stigma 3- to 5-lobed. Fruit baccate 1- to 5- 
celled; cells 1- or 2-seeded. Seed oblong in a pulpy aril. Species 4, 
Indo-Malayan. 
Leaflets 5 to 10 in. long; flowers nearly sessile, on 
stem and branches . . . . . . (1) L, domesticum 
Leaflets 4 to 5 in. long; flowers distinctly pedicelled 
on branches ....... (2) L. pedicellatum 
Leaflets lanceolate blunt 2 to 3 in. long; flowers on 
slender axillary racemes . . . . . (3) L. cinereum 
(1) L. domesticum Jack, Trans. Linn. Soc. xiv. 115, t. iv. fig. 1; 
Hiern, l.c. i. 558; King, l.c. 81. 
Tree about 20 to 30 ft. tall. Bark pale. Leaves 12 to 18 in. 
long; leaflets alternate oblong elliptic or obovate, abruptly short 
acuminate, base narrowed, light shining green glabrous; nerves 
10 pairs prominent beneath, 5 to 10 in. long, 275 to 4 in. wide; 
petiolules *5 in. long. Flowers yellow in pubescent spikes, long 
fascicled or solitary from the old wood sessile. Calyx fleshy 
puberulous, lobes 5 round. Petals glabrous. Stamen-tube sub- 
globose; anthers in 1 row. Ovary tomentose 5-celled. Berry 
oblong ovoid or globose, finely tomentose cream buff, 1 to i'5 in. 
long; pericarp leathery. Seeds 1 or 2 thin, with several abortive 
ones embedded in a translucent sweet aril. There are two forms, 
Langsat, with usually oblong fruit and thin rind containing a 
milky latex, and the Duku, more globose with thick rind and no 
latex, cultivated only. Hab. The Langsat is cultivated, and wild 
in forests, Malacca, Selandor; Mt. Ophir woods. Selangor, Batu 
Caves; Bukit hitam; Gin ting Bidai. Perak, Blanda Mabok (Wray). 
Penang. Native name: Langsat hutan. Distrib. Malay islands. 
var. pubescens Koorders. Leaves, underside and flower rachis 
pubescent. Selangor, Kwala Lumpur, Weld’s Hill (Foxworthy). 
(2) L. pedicellatum Hiern, l.c. i. 558 ; King, l.c. 82. 
Tree. Branchlets scaly. Leaves 9 to 12 in. long; leaflets 
3 or 5 alternate or sub-opposite thinly coriaceous elliptic shortly 
sharp acuminate, base cuneate oblique glabrous; nerves 8 to 10 
pairs, 3 to 6 in. long, 1-5 to 2-5 in. wide; petiolules *15 to -25 in. 
long. Female flowers in racemes axillary 1 to 2 in. long. Flowers 
on pedicels 'i to *15 in. long. Ovary minutely tomentose 4-celled. 
Stigma sessile. Fruit young fleshy tomentose. Hab. Malacca 
(Maingay). A very dubious plant only once collected. 
(3) L. cinereum Hiern, l.c. i. 550; King, l.c. 81. 
Tree. Branchlets tawny-pubescent, eventually ashy. Leaves 
3 to 5 in. long; leaflets 3 to 5 opposite sub-coriaceous elliptic- 
oblong cuspidate blunt, base acute glabrous; nerves numerous 
fine obscure, 2 to 3 in. long, *8 to 1*5 in. wide. Spikes 1*5 in. long, 
slender glabrous. Flowers distant few -15 in, long, sessile. Calyx 
cupular with 5 rounded teeth puberulous. Petals obovate glabrous; 
