98 xlvii. § PA.PILI0NACEJ2 (baker), [Indigofera. 



small, setaceous. Petioles \ in. long, firm, erecto-patent. Leaves 

 2-2J in. long- with 4 pairs of leaflets, which are obovate, f-1 in. long-, 

 the lateral ones opposite, short-stalked, both sides permanently silvery, 

 turning- blackish when dried. Racemes 12-20-flowered, 1-1J m - l° n g 

 when in flower, sessile or nearly so. Pedicel about equalling* the sil- 

 very calyx, which is half a line deep, teeth reaching about halfway 

 down. Corolla yellow, about 4 times as long as the calyx. Pod 

 deflexed, sickle-shaped, J in. long, \ in. thick, terete, slightly torulose, 

 glabrous when mature, 3-4-seeded. — A. Rich. Fl. Abyss, i. 184. /. 

 glauca, Lam. Encycl. iii. 246. I. tinctoria, Forsk. JEgypt. 138 non Linn. 

 /. articulata y Gouan, Illust. 49. I. ccerulea, Roxb. Fl. Ind. iii. 337. 

 Wight. Ic. ii. t. 366. 



Nile Land. Nubia, Kotschy! Schweinfurth ! Abyssinia, Schimper! Roth! 



Also wild and cultivated in the Barbary States, Egypt, and Arabia, and the East 

 Indies. Much more argenteous than /. Anil, which it resembles in its sickle-ahaped pod, 

 with fewer leaves and seeds. 



88. I. Anil, Linn. ; DC. Prod. ii. 225. A copiously branched shrub 3-0 

 ft. high, branches straight, woody, deeply sulcate, thinly silvery. Sti- 



Eules small setaceous. Petiole under \ in. long, firm, erecto-patent. 

 leaves 2-4 in. long, leaflets 6-8 pairs, oblong or obovate, f-1 in. 

 long by about half as broad, lateral ones opposite, short-stalked, both 

 sides subglaucous and thinly silvery, upper one nearly or quite glabrous 

 when mature, turning blackish when dried. Racemes moderately 

 dense, 1-2 in. long when in flower, nearly sessile. Pedicel equalling 

 the obliquely campanulate thinly silvery calyx, which is not more than 

 half a line deep, the lower teeth lanceolate, reaching halfway down, 

 the upper shorter. Corolla fugacious, yellow, four times as long as 

 the calyx. Pod reflexed, sickle-shaped, J-f in. long, | in. thick, sub- 

 tetragonous with thickened sutures, glabrous when mature, 6—8- • 

 seeded. — Guill. et Perr. Fl. Seneg. i. 178. /. uncinataj G. Don, Gard. 

 Diet. ii. 208. 



One of the species most commonly cultivated. "We have it from Senegambia, Sierra 

 Leone, Guinea, Mozambique,. Angola, and Zambesi land It is said to be a native of 

 Tropical America, and is subsjiontaneous in Tropical Africa in various places, espe- 

 cially along the coast about Sierra Leone. 



89. I. umbonata, Welrv. mss. A rigid undershrub 2 ft. high with 

 terete woody grey sulcate finely grey-hispid long stiff branches. Sti- 

 pules setaceous very minute. Petioles 3-6 lines. Leaves 2-2| in. 

 long, leaflets 11-13, obovate-oblong, reaching 6-7 lines long, \ in. 

 broad, blunt with a minute mucro, glaucous and finely grey-hispid on 

 both sides, all distinctly stalked, the side ones opposite. Racemes 

 sessile, 12-20-flowered, 6-9 lines long. Calyx and pedicels each \ 

 line long, the former brown-silky, its teeth deltoid, shorter than the 

 tube. Corolla 1J-2 lines long, brownish when dried, finely clothed 

 externally with adpressed silky hairs. Pod 6-9 lines long, \\ line 

 thick, terete, straight, glabrous, 6-8-seeded, with a small prominent 

 umbonate ring at the point. 



