Indigofera.] xlvii. § papilionace.e (baker). 87 



moderately dense racemes 2-6 in. long. Pedicels very short, the 

 lower deflexed. Calyx f-1 line, the setaceous teeth reaching down 

 nearly to the base. Corolla purplish-red, twice the calyx, silky exter- 

 nally. Pods deilexed, an inch long, 1 line thick, brown, glabrescent, 

 slightly upcurved, 8-10-seeded. — /. hcdysaroides, Lam. Encycl. iii. 250. 

 /. cinerea, arcuata and rigida, Willd. Sp. PI. iii. 1225-8. 



Lower Guinea, Pungo Andongo, Golungo Alto, Loanda and Ambaca, Dr. Wd- 

 witsch ! 



Nile Land. Abyssinia, Roth ! 



A common East India species, extending to North Australia. 



56. I. subulata, . Vdhl ; DC. Prod. ii. 232. Annual or biennial, 

 2-3 ft. high, copiously branched, the branches firm, slender, thinly 

 silky. Stipules minute, setaceous. Petioles J— f in. long. Leaves with 

 usually two lateral pairs of leaflets and a terminal one, which are 

 elliptical, f-1 J in. long, the apex rounded and mucronate, bright green, 

 the lateral ones opposite, nearly sessile, both sides subglabrous. 

 Flowers in lax racemes of about 20 flowers each on erecto-patent pe- 

 duncles 1-2 in. long from the axils of the leaves. Calyx a line deep, 

 thinly silky, the teeth setaceous, reaching down nearly to the base. 

 Corolla lilac, three times as long as the calyx. Pod linear, mucronate, 

 deflexed, subtetragonous, subglabrous, 1-2 in. long, 1 line broad, 8-10- 

 seeded. — /. Thomiingii, Schum. et Thonn. PL Guin. 366. I. fiaccida, 

 Keen. ; Roxb. Fl. Ind. iii. 375/ /. scabra, Roth. Nov. Sp. 359 ; DC. 

 Prod. ii. 229. 



Upper Guinea. Guinea Proper, Thonning. Senegambia, Leprieur and Per- 

 rottet. 



Also a plant of the East and West Indies and Mexico. 



57. I. benguellensis, Baker. An argenteous trailing perennial 

 herb with slender terete stems more than a foot long, with copious 

 ascending curved branches. Stipules minute, linear, persistent. Pe- 

 tioles 2-3 lines. Leaves 9-12 lines long ; leaflets 3-5, narrow-obovate, 

 reaching 6-8 lines long, 3-3J lines broad, blunt, often emarginate, 

 thick in texture, both sides persistently argenteo-canescent, the end 

 one shortly- stalked, the side ones alternate. Racemes densely 12-20- 

 flowered, 9-15 lines long, on short peduncles. Pedicels very short. 

 Bracts linear, minute, persistent. ^ Calyx argenteous, ^ in. long, the 

 linear-lanceolate teeth exceeding 'the obliquely campanulate tube. 

 Corolla bright violet, half as long again as the calyx, the standard 

 thinly silvery on the back. Pod linear, 6-8 lines long, ± in. broad, 

 straight, canescent, subcompressed, 5-6-seeded. 



Lower Guinea. Mossamedes, in sands near the sea, Dr. Welwitsch I 



58. I. inhambanensis, Klotzsch in Peters 1 Mossamb. Bot. 48. A 

 woody copiously branched shrub more than a foot high with long, 

 firm, ascending terete densely grey-silky branches. Petiole J in. long, 

 densely grey- silky. Leaves pinnately trifoliolate, terminal leaflet on a 

 stalk \ in. long, elliptical, J-f in. long by about half as broad, lateral 



