192 xlvii. § papilionacEuE (baker). [Phaseolus. 



connate ; anthers uniform. Ovary subsessile, mnltiovulate ; style in- 

 crassated within the beak of the keel and twisted with it, usually longi- 

 tudinally bearded upwards ; stigma oblique. Pod linear or falcate, 

 terete or compressed, two-valved, thinly septate between the seeds. — 

 Usually climbing herbs with pinnately trifoliolate leaves. 

 A large genus, principally tropical. 



Leaflets entire. 



Pod oblong, 2-4-seeded 1. P. lunatus. 



Pod linear, 10-15-seeded. 

 Pods flat, half an inch broad. 



Flowers in copious racemes on long peduncles . . . ' . . 2. P. adenardlius. 



Flowers 2-3 together on short peduncles 3. P. vulgaris. 



Pods terete, under \ in. thick. 



Stems robust, not climbing 4. P. Mungo. 



Stems slender, twining. 



Petioles 2-6 in. long, ferruginous-silky 5. P. trinervius. 



Petioles under 1 in. long, glabrous 6. P. Kirkii. 



Leaflets deeply sinuato-lobate 7. P. trilobus. 



1. P. lunatus, Linn.; DC. Prod. ii. 293. Stems biennial, usually 

 twining', glabrous or slightly pubescent. Stipules small, lanceolate- 

 subulate, not peltate. Petioles 2-3 in. long, firm, subglabrous ; leaf- 

 lets 3, the central one ovate-deltoid, 3-4 in. long, 2-3 in. broad, acute,, 

 the lateral ones very unequal-sided, both sides subglabrous. Flowers 

 in copious long- or short-stalked axillary racemes 1-4 in. long. Bracts 

 minute, setaceous. Pedicels 2-3 lines long, glabrous or pubescent. 

 Calyx broadly campanulate, 1-1 J lines deep; teeth very short, sub- 

 deltoid. Corolla violet or white, under half an inch deep. Pod 2-3 

 in. long, J-| in. broad, flat, glabrous, rostrate, the Tipper suture slightly 

 and the lower much recurved; seeds 2-4, purple or white. — P. bipunctatus, 

 Jacq. Hort. Vind. t. 100. 



Upper Guinea. Fernando Po, Vogel I Sierra Leone, Afzeliw ! Annabon, Capt. 

 Burton ! 



Nile Land. Kazeh, &peke and Grant! 

 Lower Guinea. Golungo Alto, Dr. Welwitsch ! 

 Mozamb. Distr. Banks of Lake Nyassa, Dr. Kirlc I 

 Widely dispersed through the Tropics of both hemispheres. 



2. P. adenanthus, E. Meyer, Prim. Fl. Esseq, 239. Stems firm- 

 herbaceous, wide-climbing, subglabrous. Stipules 2 lines deep, broad- 

 ovate, erect, persistent. Petioles 2-3 in. long ; leaflets 3 ; central 

 one ovate, 3-4 in. long, lateral ones unequal-sided, the veins beneath 

 slightly rufo-pubescent. Flowers 6-12 in axillary moderately dense 

 racemes on peduncles exceeding the leaves. Calyx \ in. deep, cam- 

 panulate, bilabiate, the upper lip emarginate, the lower trifid, with acute 

 teeth. Corolla f in. deep, rose-red, rarely yellow, the wings equalling 

 the standard. Pod 4-5 in. long, 5-6 lines broad, linear, compressed, 

 scarcely pubescent, slightly arcuate, rostrate ; seeds 12-15. — P. senega- 

 lensis, Guill. et Perr. Fl. Seneg. p. 217. P. truxillensis, H. B. K. Nov. 

 Gen/vi. 451. Benth. in Mart. Fl. Bras. fasc. 23, 186. P. rostratus, 

 Wall. PI. Asiat. Rar. i. 56, t. 63. Wight, Ic. t. 34. P. cirrhoms, 



