Phaseolus.] xlvii. § papilionace^ (baker). 193 



H.B.K. P. Oumingii, subtortus, wi&brevipes, Benth. in Ann. Mus. Vind 

 ii. 1359. 



Upper Guinea. Senegambia, Perrottetl Sierra Leone, Afzelius ! Banks of the 

 Bonny, Mann I Seashore at Brass, Barter ! 



Nile Land. Nubia, Binder (flowers orange). BanKs of the White Nile {teste 

 Schweinfwrth). 



Lower Guinea. Highlands of Pungo Andongo, Dr. Welmtsch ! 



Cosmopolitan in the Tropics. 



3. P. vulgaris, Linn.; DC. Prod. ii. 392. Stems annual, wide- 

 climbing, subglabrous. Leaflets three, the central one broad-ovate, 

 4-5 in. long, acute, both sides subglabrous. Peduncles in pairs, 1-2 

 in. long", 2-3-flowered. Pedicels 2-4 lines ; bracteoles ovate. Calyx 

 campanulate, J in. deep, upper lip truncate, lower 3-toothed. Corolla 

 white or lilac, an inch deep. Pod 4-5 in. long, J in. broad, nearly- 

 straight, compressed, glabrous, 10-12-seeded. — A. Rich. Fl. Abyss. 

 i. 233. 



The commonly cultivated species, not clearly known anywhere in a native state. 



4. P. Mungo, Linn.; DG. Prod. ii. 394. Stems a foot high, an- 

 nual, suberect, clothed with deciduous spreading long yellowish hairs. 

 Stipules ovate-lanceolate, 4-6 lines deep, attached below the centre. 

 Petioles 2-4 in. long ; leaflets 3, central one broad- ovate, 3-4 in. long, 

 lateral ones unequal- sided, both sides subscabrous. Flowers 4-6 to- 

 gether on short axillary peduncles, with bracts like the stipules. Brac- 

 teoles linear, hairy, twice as long as the calyx, which is campanulate, 

 \ in. deep, the teeth very short, subdeltoid, or the lowest lanceolate. 

 Corolla yellowish, under half an inch deep. Pod linear, straight, terete, 

 1J-2 in. long, 2-2^ lines broad, clothed with spreading taWny hairs, 

 10-15-seeded. 



Nile Land. Throughout the Nile region, but perhaps cultivated only, Kotschy ! 

 Speke and Chant! &c. 

 Commonly cultivated in Tropical Asia. 



5. P. trinervius, Heyne ; Wight et Am. Prod. 245. Stems annual or 

 biennial, slender, climbing, clothed with deflexed grey or tawny hairs. 

 Stipules ovate, striated, 4-6 lines deep, attached below the middle. 

 Petioles 2-6 in. long, slender, hairy ; leaflets 3, central broad-ovate 

 or ovate -rhomboidal, 3-5 in. long, acute, lateral ones unequal-sided, 

 upper surface glabrous, lower hairy on the veins. Flowers 3-6 close 

 together on long or short slender flexuous peduncles. Bracts like the 

 stipules. Pedicels very short, with a pair of ciliated lanceolate brac- 

 teoles at the apex, which exceed the calyx. Calyx campanulate, 2 lines 

 deep, teeth deltoid, reaching a third down, two upper ones connate. 

 Corolla rose-red, three or four times the calyx. Pod terete, 2-3 in. 

 long, 2-2 J lines thick, silky, nearly straight, 10-12-seeded. — P. opiso- 

 trichus, Hochst. in Schimp. Hb. Abyss. No. 1718. Vigna opisotricha, A. 

 Rich. FL Abyss, i. 220. 



Nile Land. Abyssinia, Schimper! 



Also a plant of Natal, t^e Comoro islands, and Tropical Asia. Very near the pre- 

 ceding, of which it is perhaps only the wild form. 



