Vigna.] Leguminosce. J 7, 



what 3-lobed, conspicuously 3-nerved from base, lat. ones ovate 

 or lanceolate, much dilated in lower side, all acute, silky-hairy on 

 both sides; fl. | in., very shortly stalked, in short close racemes 

 with swollen nodes, at end of stiff hairy peduncles much 

 exceeding 1.; cal. nearly glabrous, segm. very short nearly 

 equal; keel curved into nearly a circle; pod 2-2 § in., cylindrical, 

 straight, bluntly pointed, rather densely covered with brown 

 hair; seeds 8-12, about Jin., oblong-oval with truncate ends, 

 dark brown. 



Moist region, 1-4000 ft. in grassy places; common. Fl. March, 

 Aug., Nov.; yellow. 



Also in India and Malaya. 



8. P. calcaratus, Roxb. Hort. Beng. 54 (1814). 

 Thw. Enum. 412. C. P. 1473. 

 Fl. B. Ind. ii. 203. 



A small perennial herb, stems fiexuose, prostrate at base 

 and often rooting at nodes, or twining, with scanty reflexed 

 hairs; 1. distant, rachis i|-2 in., with deflexed hairs, stip. 

 peltately attached, linear-lanceolate, lflts. usually i\-2\ in. 

 (rarely 3^), ovate, acuminate, acute, hairy on both sides, very 

 thin, lat. ones dilated on lower side; fl. small, ^in., on slender 

 crowded ped., racemes at first very short but lengthening to 

 i^in., at end of long slender peduncles greatly exceeding 1., 

 bracts linear, longer than cal; glabrous, segm. triangular; 

 pod i-^-2|-in., linear, straight, beaked, glabrous; seeds 8-12, 

 oblong, narrower than in last 



Moist region, 1-4000 ft.; common in grass. Fl. Sept.-Nov.; yellow. 



Throughout India and Malaya. 



Neither this nor P. irinervins are ever cultivated in Ceylon. 



34. VIGNA, Savi. 



Prostrate or twining perennial herbs, 1. 3-foliolate with 

 stipels, fl. in short axillary racemes; cal. campanulate, segm. 

 nearly equal, upper not connate ; keel either truncate or 

 curved and beaked ; pod much as in Phascolns ; from which this 

 Genus is scarcely distinct. — Sp. 40-50; 10 in Fl. B. Ind. 



Fl. yellow, keel not beaked 1. V. luteola. 



Fl. pink, keel beaked 2. V. vexillata. 



1. V. luteola, Benth, in Thw. Enum. 90 (1859). 

 Dolichos luteus. Moon Cat. 53 (non Svv.). Thw. Enum. 90. C. P. 

 1482. 



Fl B. Ind. ii. 205. Mart. Fl. Bras. xv. t. 50, f. 2. 



