126 Materials for a Flora of the Malayan Peninmla. 



teeth eliort, connate ; lowest shorter than the two middle ones. Corolla 

 much exserted ; standard broad ; keel incurved, acute. ' Stamens mona- 

 delphous ; anthers dimorphous. Ovary sessile, many-ovuled ; style 

 filiform, incurved, stigma minate capitate. Pod of several small round 

 flattened finely muricated 1-seeded indehiscent joints. Species 10, all 

 but two American. 



ZoRNiA DiPHTLLA Pers. Synops. II, 318. A diffuse annual with 

 slender zigzag wiry branches reaching 11-15 in. in length, glabrous or 

 sparingly puberulous. Leaf-racJiis '25 in. long, puberulous, channelled 

 above; leaflets in one terminal pair, oblong or lanceolate (larceolate in 

 Malayan specimens), '5 in. long, "12 in. wide, glabrous, conspicuously 

 dotted; stipules lanceolate with a long spur. Racemes laxly 3-12-fld., 

 1-3 in. long ; bracts also dotted, ovate-acute, almost concealing flowers 

 and fruits. Calyx minute. Corolla slightly exserted. Pods 1-6-jointed; 

 joints "08 in. long, pubescent, and irregularly sprinkled with harsh 

 prickles. Benth. in Mart. Flor. Bras. XV, 80, t, 21, 22 ; Bak. in Flor. 

 Brit. Ind. II, 147. Zornia angustifolia Smith in Rees Cyclop, n. 1 ; DO. 

 Prodr. II, 316 ; Wall. Cat. 5660 ; Miq. Flor. Ind. Bat. I, 278. Z, di'ctyo- 

 carpa DC. Prodr. II, 327. Z. gihhosa Span. Linngea XY, 191. Z. 

 graminea Span. Linnaea XV, 192. Hedysarum dipliyllum Linn. Sp. PI. 

 747 ; Roxb. Flor. Ind. Ill, 353. 



SiNGAPOKE ; Changi, Ridley 4672 ! Distrib. Cosmopolitan in the 

 tropics. 



34. Smithia Ait. 



Hei^bs or undershrubs. Leaflets many small sensitive, opposite, leaf- 

 rachis ending in a bristle ; stipules scariose with large auricles. Floioers 

 racemose or axillary. Calyx deeply 2-lipped, the lips usually entire. 

 Corolla exserted ; standard orbicular ; keel incurved obtuse. Stamens 

 in two bundles of 5 each ; anthers uniform. Ovary linear, many-ovuled ; 

 style incurved, filiform, stigma minute capitate. Pod of many or few 

 small flattened or turgid joints, folded together inside the calyx. Species 

 20-30, throughout tropics of the Eastern Hemispliere. 



Smithia sensitiva Ait. Hort. Kew. ed. I, III, 496. A diffuse 

 spreading annual with slender glabrous much branched stems 1-3 feet 

 long, only '12 in, thick at base. Leaf-rachis '5-1 in... long sparsely be- 

 set with long whitish bristles ; leaflets 3-10 pairs, •25-*4 in. long, oblong 

 obtuse, sparsely bristly on the almost straight margins and on the mid- 

 rib beneath. Racemes simple l-6-fld., in axils of upper leaves on pedun- 

 cles *3 in. long, pedicels slender bracteolate '15 in. long or less, ascend- 

 ing; bracteoles small ovate-acute scarious. Calyx '26-3 in. long, lips 

 subequal, entire, acute, with a few scattered subadpressed pale-yellow 



126 



