Bomhax.] xxiii. malvace^. 261 



very numerous. Capsule 4*5 in. long, valves -5 in. long. Hab. 

 Rocks close to the sea. Penang, Balik Pulau (Haniff). Lankawi, 

 Terutau (Curtis). Adang group, Pulau Adang. 



8. DURIO, Linn. 



Trees, often large. Leaves entire coriaceous, scaly beneath 

 (except in D. Oxleyanus) ; the scales occurring also on young parts 

 and inflorescence are peltate, umbrella-shaped. Flowers in cymes 

 on the trunk or thick branches. Bracts 2, connate at the base, 

 large. Calyx campanulate, coriaceous, scaly; sepals usually 

 distinct or connate at base. Petals longer, red or white, 5 or 4 

 spathulate oblong. Stamina! tube of 5 or 4 phalanges opposite 

 petals, these broken up above into filaments bearing one {D. Oxley- 

 anus) or several i-celled sinuous anthers in a head. Ovary scaly, 

 4- to 5-celled; styles connate tomentose. Stigmas capitate; 

 ovules many 2-seriate in each cell. Fruit very large, coriaceous 

 sub-globose or oblong, loculicidally dehiscent, spiny, green or 

 brown. Seeds large, testa thin, aril creamy white or pink covering 

 the seed. Species about 12, Malayan. 



Flower^ white. 



Leaves elliptic; nerves iine ; flowers 2 in. long, 



fruit covered with acute cones . . . (i) D. zibethinus 



Leaves elliptic; nerves fine; flowers 3 in. long; 



fruit Avith spines (2) D. malaccensis 



Leaves oblong, small ; flowers 2 in. long . . (3) D. Lowianus 



Leaves oblong 2"25 by i in., coriaceous; flowers 



2 in. long (4) D. lanceolatus 



Leaves oblong 12 by 3 in., coriaceous; nerves 



conspicuous; flowers 3 in. long . . . (5) D. Singaporensis 



Leaves elliptic-oblong, strongly nerved pubes- 

 cent beneath, not scaly . . . . (6) D. Oxleyanus 



Leaves very large, over 12 by 5 in. with very 



large scales; flowers large .... (7) D. macrophyllus 

 Flowers pink. 



Leaves narrow, lanceolate, 3 by 8 in., acumin- 

 ate; flowers 2 in. long; fruit spiny . . (8) D. pinangiatius 



Leaves elliptic, long cuspidate, 7 by 2-5 in.; 



flowers 1-5 in. long . . . . . (9) D. Wrayi 



(i) D. zibethinus Linn. Svst. Nat. ed. xiii. 581 ; Masters, in 



I Hook. fil. F.B.I, i. 351 ; Beccari, Malesia, iii. 330, t. xii./. 1-5 ; xxxvi. 

 /. 1-12. 

 The Durian is not indigenous to the peninsula, but is cultivated 

 everywhere. It attains a height of 100 ft. The leaves elhptic- 

 oblong, abruptly acuminate, base rounded, 4-5 to 6 in. long, i'5 

 to I -8 in. wide. Flowers 2 in. long, cream-colour, in rather long 

 cymes from the lower side of boughs, in old leaf axils. Stamen 

 bundles united at base only. Fruit 8 to 12 in. long, light brown or 

 green, with stout conical thorns. Seeds 1-5 in. long, buff colour, 

 covered with white pulpy arillus. Only known in cultivation. 



