204 



Flora of the Malayan Peninsula. 



pairs ; flowers 'i or "5 in. long ; calyx truncate, 

 entire or minutely 5-toothed 

 Leaves on petioles '5 or "6 in. long, narrowed and 

 slightly oblique at the base but not auricled; 

 main-nerves 5 to 7 pairs ; flowei'S nearly 1 in. long; 

 calyx minutely 5-toothed ... ... 



Armed : — 



Leaves on petioles *3 to "5 in. long, cuneate at the 

 base; main-nerves 7 toll pairs, very bold beneath ; 

 flowers "75 in. long; calyx with 5 triangular teeth 

 Trees or large shrubs ; leaves on petioles "2 to '3 in. 

 long, not obovate, cuneate but not oblique at the base ; 

 main-nerves 7 to 9 pairs ; flowers '4 in. long ; anthers 

 as long as the corolla-lobes, exserted. ... ... 



Flowers "75 to 1 in. long, cylindric, coriaceous; leaves of 

 the pairs unequal in size, obovate or oblanceolate, with 

 10 to 14 pairs of main-nerves ; cymes very condensed, 

 many-flowered; fruit large, (I in. or more in diam.) more 

 or less compressed : — 



Leaves tomentose beneath ; cymes rusty-tomen- 

 tose everywhere ... ... ... 



Leaves glabrous except the midrib and main* 

 nerves beneath ; cymes puberulons everywhere ... 

 Flowers about 1 in. long, axillary, solitary or in pairs, 

 shrubs with straight spines and glabrous thinly coria- 

 ceous equal leaves with 6 or 7 pairs of main-nerves; 

 calyx tubular 'So in. long with 5 minute triangular teeth ; 

 fruit nearly 2 in. in diam. ... ... ... 



Flowers 1'5 to 3 in. long, salver-shaped : — 



Leaves pubescent on the nerves beneath ; — 



Shrubs with slender straight spines ; calyx "So in. 

 long, its lobes 5, long, subulate, persisting on the 

 fruit ... ... 



Leaves glabrous : — 



Shrubs erect or sub-scandent with stout recurved 

 spines ; calyx '25 in. long, its lobes lanceolate acu- 

 minate, not persisting in the fruit ... 

 Unarmed ; leaves thickly coriaceous, 4 to 6 in. 

 long, and 1"75 to 2"25 in, broad ; calyx about "9 in. 

 long, corolla-tube about 1 in. long, both coria- 

 ceous, throat glabrous, limb 1*5 in. in diam. ; an- 

 thers included, not apiculate, lobes of stigma 

 short, broad ... 



Unarmed ; leaves thinly coriaceous, 35 to 4'5 in. 

 long and 1'5 to 2*5 in. broad ; calyx about 4 in. 

 long; corolla about 1 in. long, its throat pubes- 

 cent ; limb 1 to 1"25 in. across ; anthers with a 

 dark -coloured apical appendage ; lobes of stigma 

 spathulate, reflexed 



94 



4. B. auriculata. 



5. B, Forhesii. 



6. B, Curtisii, 



7. B. densiflora. 



8. B. anisophylla, 



9. B. Scortechinii. 



10. B, perakensis. 



11. B. fasciculata. 



12. B, longiflora. 



13. B. Clarlcei. 



14. B, penan0tana. 



