lndigofera.} xlvii. § papilionace2e (baker). 73 



branches. Stipules small, setaceous. Leaves simple, linear, subsessile, 

 2-4 in. long-, \ in. broad, narrowed from the centre to both ends, 

 texture firm, both sides thinly silky. Flowers in lax sessile racemes of 

 6-12 flowers each, which are considerably shorter than the leaves. 

 Bracts linear, half as long- as the tubular silky calyx, which is under 

 \ in. long", the teeth setaceous, subequal, reaching- three-quarters of 

 the way down. Corolla reddish, slightly exceeding* the calyx. Pod 

 straight, linear, 1J-2 in. long, 2 lines broad, compressed, with thick- 

 ened sutures, 12-15-seeded. — i". simplicifolia, Guill. et Perr. Fl. Seneg. 

 1?3, non Lamarck. 

 Upper Guinea. Senegambia, Perrottet ! Guinea proper, Vogel ! Barter ! 



13. I. erythrogramma, Welrv. mss. A diffuse annual or biennial 

 with copiously branched stems a foot or less long clothed with short 

 spreading grey pubescence. Stipules 2-4 lines, lanceolate acuminate 

 persistent. Petiole 1-2 lines, densely grey-downy. Leaves oblong 

 or lanceolate, reaching 2-3 in. long, 6-8 lines broad, acute or sub- 

 acute, slightly rounded or narrowed at the base, both sides finely grey- 

 hispid, upper dull green, lower glaucous, with the purplish parallel 

 erecto-patent main veins distinctly marked. Flowers 2-8 together in 

 copious short-peduncled axillary racemes. Pedicels J-l line. Calyx 

 1 line, densely grey-hispid, the linear-setaceous teeth exceeding the 

 tube. Corolla bright red. Pod linear, 5-6 lines long, f line broad, 

 finely grey-downy, 8-10-seeded. 



Lower Guinea. Huilla, Loanda, and Pungo Andongo, Angola, Dr. Welwitsch! 



14. I. flavicans, Baker. Stem herbaceous, subterete, densely 

 clothed with spreading or deflexed yellowish-grey silky hairs. Stipules 

 linear-falcate, silky, J-f in. long. Petioles \ in. long, densely silky. 

 Leaves simple oblong, lj^lf in. long, half as broad, the two ends 

 nearly equal, thick and both sides soft with a coating of dense gTey 

 silky pubescence. Flowers in rather lax axillary racemes of 15-20 

 each, \\ in. long on. peduncles less than half their length. Young 

 heads plumose. Pedicels very short. Calyx silky, 2 lines long, the 

 teeth setaceous, subequal, reaching down nearly to the base. Corolla 

 not half as long again as the calyx, the standard round, \ in. broad, 

 the wings subspathulate, the keel shorter. Ovary linear, multiovuiate. 

 Pod unknown. 



South Central. In the interior, near the Tropic of Capricorn, Baines I 



15. I. Knoblecheri, Kotschy in Sitzungsb. Wien. Acad. 1864, 362. 

 Stem suffruticose, the branches and leaves clothed with adpressed grey 

 hairs. Stipules linear, 2-3 lines. Leaves short-stalked, simple, lan- 

 ceolate or oblanceolate, reaching 2-3 in. long, 3-4 lines broad, acute, 

 narrowed to both ends, chartaceous, both sides scabrous with adpressed 

 hairs. Racemes closely 20-30-flowered on peduncles which exceed 

 the leaves. Pedicels 1 line. Calyx \ in., scabrous, the linear teeth 

 exceeding the tube. Corolla bright red, twice the calyx. Pod linear, 



