498 xLii. SAPiNDACE^. [XerospermuM. 



Lowland forests, Singapore, Tanglin. Malacca, Ayer Panas 

 (Griffith). Negri Sembilan, Tampin. Selangor, Kwala Lumpur 

 (Foxworthy) ; Pahang, Rumpin (Foxworthy) ; Bindings, Lumut 

 (Curtis). Perak (Scortechini). Distrib. Burma. Native names: 

 Rambutan Pachat ; Gigi Buntal ; Kikir Buntai. 



(5) X. Wallichii King, I.e. 432. 



Glabrous tree 30 to 40 ft. tall, 5 to 7 in. through. Leaves 12 to 

 18 in. long ; leaflets 2 pairs elliptic or obovate-elliptic shortly blunt- 

 cuspidate, narrowed to base; nerves 5 to 7 pairs elevate beneath, 

 4'5 to 8 in. long, 2*25 to 4 in. wide; petiolules stout "25 to "45 in. 

 long. Racemes 2 to 4 together, axillary i to 2*5 in. long. Flowers 

 •15 in. long, green. Sepals 4, round, edges ciliate. Petals 4, smaller 

 round, claws short woolly. Stamens 8 ; filaments woolly. Ovary 

 pubescent. Fruit sub-globose or elliptic usually i-coccous, rough 

 but not muricate, rusty brown to black 1-25 in. long, 75 in. wide. 

 Hab. Forests, dense hilly jungle, Singapore (Wallich) ; Bukit 

 Mandai. Pahang River, Perak, Ulu Bubong, Ulu Kerling and Ulu 

 Kal (Kunstler), Temengoh. Native name : Balong Ayam. 



11. NEPHELIUM, Linn. 



Trees. Leaves alternate pinnate; leaflets entire. Panicle ter- 

 minal and in terminal axils rarely racemose. Flowers regular 

 small unisexual (or bisexual). Calyx 4- to 5-lobed. Petals small, 

 white, villous rarely with 2 scales, sometimes o. Stamens 6 to 8 

 within the fleshy disc; filaments usually pubescent. Ovary pubes- 

 cent, warted or setose i- to 2- (rarely 3-)lobed; lobes i-celled, 

 i-ovuled. Fruit i- or 2-coccous drupaceous oblong or globose 

 echinate or tubercled rarely smooth. Seed ellipsoid with sweet 

 or acid white pulpy aril. About 20 species, Malayan. Several are 

 well-known fruit trees. 



Leaves glabrous on both sides. 



Leaflets broad elliptic, 5 by 2-5 in. ; fruit warty, 



base gibbous; petals o . . . . (i) N. glabrum 



Leaflets narrow lanceolate ; petals 5 or 6 ; fruit 



globose sparsely warty . . . . (2) N. longana 



Leaflets broad elliptic ; petals o ; fruit red- 



tomentose (3) N. lappaceum 



Leaflets oblong-elliptic ; petals 5 ; fruit sparsely 



muricate . . , . . . (4) N. rubescens 



Leaflets narrow lanceolate coriaceous ; fruit 



spiny all over ; petals 3 to 5 glabrous . (5) N. Herveyi 



Leaflets lanceolate caudate coriaceous ; petals 



villous (6) N. caudifolium 



Leaves glaucous and minutely puberulous beneath ; 

 fruit spiny. 

 Petals 5. 



Leaflets broad elliptic coriaceous . . • {?) N. costatum 



Petals o. 



Leaflets elliptic thin coriaceous . . . (8) N. tuberculatum 



