Materials Jor a Flora of the Mdlayan Vtninsnla 



147 



the two upper teeth usually disfciiicfclj siibconnate into an upper lip. 

 Corolla slightly exserted, petals subequal in length, all short-clawed ; 

 standard orbiculnr sometimes emarginate ; keel petals free, and wings 

 oblong, obtuse. Stamens free or only faintly subconnate at the very 

 base, much incurved and exserted when the flower expands ; anthers 

 oblong, versatile. Ovary subsessile ; style long, filiform, circinate at the 

 tip with an oblique stigma on the inner face. Pod thickly fleshy or 

 woodj^ or thinly woody, turgid 'J-valved continuous within, the sutures 

 witliout Avings. Seeds bright red, with or without arillus. Species 

 about 25, cosmopolit.'in in the tropics. 



Climber; (leaves quite glabrous beneath) 

 Trees : — 



Seeds large with a black adnate basal aril j (leaves mi- 

 nutely sparsely pnbescetit underneath) : — 



Panicles fastigiate, flowers white, pedicels stout ; pods 

 3 in. wide, seed 1 in, long 



Panicles Inx, flowers yellow, pedicels slender ; pods 1'25 

 in. wide, seed "75 in, long ... ..< 



Seeds small without any aril: — 

 Leaves quite glabrous beneath; (pod '6 in. broad, '4 in. 

 thick, valves thinly woody) 

 Leaves pubescent beneath : — 



Leaflets distinctly petiolulate ; pedicels shorter than 

 calyx; pod with thinly woody valves 'Q in. broad, 

 •4- in, thick : — 



Leaflets (9-13) small (not exceeding 25 in.) shortly 

 acuminate (dark green thinly pubescent beneath).,. 5. O. parviflora. 

 Leaflets larger (4 in long) acute or subobtuse : — 

 Leaflets thinly pubescent beneath, pale-green, 

 7-^y ; branches thin ; panicles lax, bracts small ; . 



1. O, scandens. 



2. 0. macrodi 



3, 0. gracilis. 



4. 0. nitid' 



pubescence grey 



6. 0. sumatrana. 



Leaflets densely pubescent beneath, dark-green, 

 11-13; branches very thick ; panicles fastigiate, 



bracts conspicuons; pubescence rusty ... 7. 0. microsperma. 



Leaflets sessile ; pedicels almost equalling calyx ; pod 

 with thickly woody valves 1'35 in. wide, 1 in. thick ... 8. 0. veiwsa. 

 J. OuMOSiA SCANDENS Prain. A large climber over 100 feet long 

 with stem 6-S in. in diam, ; branches glabrous. Leaves 12-15 in, long ; 

 leaflets 5-7, ovate-oblong or the terminal slightly obovate, coriaceous, 

 bright-green, quite glabrous on both surfaces, apex shortly ncuniinate 

 base rounded, 6-9 in. long, 25-3 in. across ; secondary nerves 13-18 

 fine ultimate reticulations rather distinct beneath. Racemes in ample 

 terminal panicles, 12 in. long 6 in. across, with pale-tawnj shortly 

 puberulous rachis and branches, pedicels '2 in. long, pale-tawny silky, 

 shorter than the calyx, with a minute deciduous basal and 2 subulate 



147 



