364 FLORA OF MADRAS. [Vigna. 



45. Yigna, Savi. 



Twining, rarely suberect, herbs or uiidershrubs. Leaves 

 pinnately 3-foliolate ; stipules basifixed or rarely peltate ; stipels 

 subulate. Flowers in racemes at the end of an axillary peduncle > 

 fascicled on a nodose rliacliis ; bracts small, deciduous ; bracteoles 

 sometimes large and subpersistent. Calyx campanulate, the 

 teeth distinct or the 2 upper more or less connate. Corolla 

 exserted ; standard orbicular, auricled at base ; wings obovate 

 falcate, slightly adnate to the keel; keel petals equalling the 

 wings, incurved, acute or if beaked not spirally. Stamens 

 diadelphous ; anthers uniform. Ovary sessile, many-ovtiled ; 

 style filiform or thickened upwards, longitudinally bearded on 

 the inner face ; stigma oblique. Pod linear, straight or incurved, 

 usually acuminate, septate between the seeds. Seeds reniforrn 

 or subquadrate, the hilum short, lateral ; strophiole 0. 



Keel not beaked, a suberect or twining annual with white, pink or 

 yellowish flowers and long glabrous pods with many seeds... Catjang. 

 Keel beaked but not spiral as in Phaseolus : 



Flowers large, 1 in. or more long ; calyx-teeth subequal, about 

 25 in. long, as long as the tube ; leaflets rather small : 



Calyx strigosely hirsute ; petals long-clawed ; leaflets ovate or 

 lanceolate, acute ; pod with nearly black hairs, later glabrous 



1. vexillata. 

 Calyx softly villous ; petals short-clawed ; leaflets ovate, mueronate, 



subobtuse; pod with pale brown hairs 2. Wight ii. 



Flowers medium-sized, under '75 in. long : 



Calyx-teeth unequal, the vipper pair short, connate, the lowest 

 the longest; keel petals very long-clawed ; leaflets large, ovate, 

 acute, the end one deltoid at base; pod densely brown- villous, 



long-acuminate 3. pilosa . 



Calyx-teeth subequal, the upper pair rounded, connate ; keel 

 petals short-clawed ; leaflets large, ovate, acuminate, densely 

 tawny villous on both sides, the end one deltoid or rounded ; 

 pod at first densely villous; afterwards glabrescent...4. Bourneae. 



1. VIGNA VEXILLATA, Benth. ; F. B. I. ii. 206. Phaseolu* 

 pulniensis, Wt. Ic. t. 202. 



W. Ghats, in the S. Canara, Nilgiri and Pulney Hills, up 

 to 7,000 ft. 

 A very pretty climber with large reddish-purple flowers. 



