210 XLVIl. § PAPILIONACE^E (BAKER). [DolicllOS. 



Stems trailing ; flowers 2-4 together 6. D. rvpestris. 



Two upper teeth not connate 7. D. stipulosus. 



Leaflets lobed 8. D. Oliveri. 



Flowers 1-2 together on an elongated peduncle. 



Young stems glabrous , . . ^ . . 9. D. andongensis. 



Young stems clothed with tawny deflexed silky hairs . 10. D„ debilis. 

 Flowers racemose. 



Stems slender, wide-climbing. 

 Calyx-teeth acute. 



Kacemes 3-4-flowered 11. D.formosus. 



Racemes 6-8-flowered . . . » 12. D. reticulatus. 



Calyx-teeth blunt 13. D. stenocarpus. 



Stems suffruticose erect. 

 Style not twisted. 



Leaves with the flowers. Corolla an inch deep, bright 



yellow 14. D. densifiorus. 



Leaves after the flowers. Corolla f inch deep, purplish 15. D. Dongalutq,. 

 Style much twisted at the base (§ Streptostylis, Welw. 



mss. 



Corolla half an inch long. Leaves thinly grey-canes- 

 cent below. 



End leaflet rotundate-deltoid 16. D. elatus. 



End leaflet ovate-lanceolate 17. D. pseudo-cajanus. 



Corolla an inch long. Leaves clothed beneath with 



thick shining whitish tomentum 18. D. splendens. 



1. D. Lablab, Linn. Sp. PI. 1019. A wide-climbing" perennial, 

 with subglabrous stems. Leaflets 3, membranous, acute, glabrous 

 above, nearly or quite so below ; central one ovate-deltoid, 3-6 in. long", 

 broadly spathulately narrowed at the base. Flowers in fascicled lax 

 racemes 3—6 in. long", on firm elongated peduncles. Calyx broadly 

 campanulate, 2^-3 lines long-, subglabrous, with a pair of roundish 

 deciduous bracteoles at the base, two upper teeth connate, the others 

 shorter than the tube. Corolla reddish or pale, 6-9 lines deep, the 

 keel abruptly incurved. Pod 1 J-2 in. long-, 7-10 lines broad, narrowed 

 at the base, the upper suture nearly straight, the faces glabrescent, rarely 

 persistently pubescent ; seeds 2-4 ; style flattened upwards, not twisted, 

 narrowed at the base. — Bot. Mag. t. 896. Lablab vulgaris, Savi, DC. 

 Prod. ii. 401. L. uncinatus, A. Braun in Schimp. Hb. Abyss. D. crena- 

 tifructus, Steud. in Schimp. Hb. Abyss. 513. D. purpureus, Linn., Bot. 

 Mag. t. 830. 



Upper Guinea. Niger country, Vogel I Mann I 



Nile Land. Nubia, Schweinfurth ! Abyssinia, Schimper! and others. Unyoro 

 and Karague, Spehe x and Grant I 



Lower Guinea. Loanda, Mossamedes, Barra do Bengo, and a form with pubes- 

 cent pods in Golungo Alto, Dr. Welwitsch! 



Mozamb. Distr. Zambesi land, Dr. Kirk I 



Cultivated everywhere in the Tropics: 



2. D. biflorus, L. ; DC. Prod. ii. 398. Stems very wide-climbing, 

 slender, slightly pubescent. Stipules lanceolate, 1J- 2 lines. Petioles 

 6-8 lines; leaflets oblong, blunt, subglabrescent, the end one 9-12 

 lines long, on a petiolule 1^-2 lines long ; lateral ones very unequal- 

 sided; stipellae minute, linear. Flowers 1-3 on very short pedicels in 



