19. V. quadrangular is. 



20. V. adnata. 



21. V. fiircata. 



22. V. discolor. 



Materials for a Flora of tlie Malayan Peninsula. 387 



Sect. IV. Gjssus. Flotoers 4-merous, petals more or less calyp- 

 triform ; disc 4-lobed. ; style subulate ; stigma minute ; inflorescence 

 cymose or corjmbiforra, leaf -opposed, not tendril-bearing. 

 Leaves simple ; flowers in umbellate cymes. 

 Stems thick, succulent, 4-winged ... 

 Stems herbaceous or woody. 



Leaves pubescent underneath, ovate-rotund, 

 with rusty or rufescent pubescence 

 Leaves quite glabrous. 



Flowers not more than "1 in. long. 



Leaves coriaceous; their bases rounded 

 or cuneate, not cordate ; fruit obovoid, 

 black 



Leaves membranous, usually coloured 

 on the upper surface, ovate-lanceolate 

 or lanceolate, their bases usually 

 cordate rarely cuneate or rounded ; 

 fruit red 



Leaves merabi'anous, broadly ovate, 

 green, their bases deeply and widely 

 ■cordate ; fruit globose or obovoid 

 Flowers more than "1 in. long ; leaves 

 rounded, sub-truncate or slightly sub- 

 cordate at the base : fruit nearly 1 in. 

 in diam. 



Flowers "2 in. or more in length ; leaves 

 sagittate, sub-hastate or sub-truncate at 

 the base ; fruit "15 in. in diam. 

 Leaves trifoliolato. 



Leaflets more or less softly tomentose ... 26. 



Leaflets slightly pubescent on both surfaces 27. 

 Leaves 3- to 5-foliolate ; leaflets glabrous or 

 pubescent ; seeds triangular with one side 

 convex and very rugose ... ... 28. 



Leaves pedately 7- to 9-foliolate, glabrous ; 

 seeds globular with one side truncate ... 29. 



1. Virrs BARBATA, Wall, in Roxb. Fl. Ind., ed. 

 Stems woody ; the branches terete, sparsely covered with long dark 

 subulate bristles and also some pale soft cobwebby hairs. Leaves 

 ovate-reniform, with shnrtly acuminate apex and deeply coi'date base, 

 the edges unequally sinuato-dentate ; upper surface when young with 

 some scattered flexuose pale hairs especially on the nerves, when adult 



G73 



23. 



repens. 



24. V. cerasiformis. 



25. V. glaherrima. 



V. mollissima. 

 V. trifolia. 



V. japonica. 



V. novemfolin. 

 Carey, IT, 478. 



