6o6 XLVii. LEGUMiNOSiE. [DesmodiutH. 



Pods indent on upper suture only not 

 sticky. 

 Raceme sub-glabrous ; pods sub- 

 glabrous; flower yellow . . (i6) D. gangeticum 

 Raceme tomentose; pods pubes- 

 cent; flowers pink . . . (17) D. virgatum 

 Petioles winged . . . . . (18) D. triquetrum 

 V. Pleurolobium : — Erect under-shrubs ; flowers racemed. 

 Pods not segmented, dehiscing along ventral 



suture . . . . . (19) D. gyroides 



(i) D. triflorum DC. Prodr. ii. 334 ; Baker, in Hook. fil. F.B.I. 

 ii. 173 ; Prain, I.e. 135. 



Small trailing herb, diffuse, 6 to 18 in. long. Branches hairy. 

 Leaves '5 in. long, 3-foliate; petioles "2 in. long; leaflets mem- 

 branous, obovate-cuneate, tip truncate or emarginate, terminal 

 one '25 in. long, "2 in. across, laterals smaller. Flowers ver}' small, 

 I to 3 in axillary fascicles. Calyx white, hairy, -i in. long. Corolla 

 pink. Pod -4 to '6 in. long, '15 in. wide, joints 3 to 5, reticulate 

 puberulous, upper suture straight, lower indented. Hah. Road- 

 sides and turfy spots. Singapore, Gardens ; Bukit Timah. Pahang, 

 Pekan. Malacca (Maingay). Bindings, Lumut. Province Wel- 

 lesley (King). Penang (WalHch), Waterfall. Pedis, Kanga. 

 Distrih. Cosmopolitan. 



(2) D. heterophyllum DC. Prodr. ii. 334 ; Baker, I.e. ii. 173 ; 

 Prain, I.e. 135. 



TraiUng herb 2 to 3 in. to 2 ft. long, diffuse hirsute. Leaves i 

 to i'5 in. long, trifoliate; petioles "5 in. long; leaflets membranous, 

 oblong or obovate, tip rounded, terminal one '5 to i in. long, "3 to 

 •5 in. wide, laterals half as big. Stipules lanceolate. Flowers 

 I to 2, axillary or racemose; pedicels hairy "5 to '8 in. long. Calyx 

 •15 in. long, densely hairy. Corolla rose pink turning blue, '25 in. 

 long. Pod '5 to 75 in. long, -18 in. wide, joints 4 to 5, glabrescent 

 except lower edge, lower suture indented, upper straight. Hah. 

 Very common in grass plots, edges of roads and other turfy spots. 

 Singapore, everywhere. Pahang, Pekan. Malacca, Bukit Panchur 

 (Cantley) ; Town. Perak, Thaiping. Penang (Wallich 5701). 

 Tringganu (Yapp). Legeh, Tremangan (Gwynne-Vaughan). Dis- 

 trih. S.E. Asia. Native names: Omba-Omba; Akar Sisik Naga; 

 Akar Telinga Tikus. 



(3) D. trifoliastrum Miq. Fl. Ind. Bat. i. (i), 248. 



Woody prostrate plant, slender branched. Stems appressed, 

 hairy. Leaflets 3, elliptic obovate, tips rounded, above sparsely 

 hairy, beneath silky-hairy, 1-25 in. long, 75 in. wide (or less) ; 

 petioles i in. long. Raceme terminal 3 in. long, silky-hairy. 

 Flowers 2 or 3 on slender hairy peduncles, "5 in. long, bluish white. 

 Calyx teeth lanceolate acuminate. Corolla small. Pods i in. long, 

 4-jointed, upper edge straight, lower indented, covered with 

 adhesive hairs. Hah. Damp swamps in forest, not common. 

 Pahang, KotaGlanggi. Perak, Temengoh (Ridley). Distrih. Java.. 



