THE INDIGOFERAS OF TROPICAL AFRICA 829 
I. micrantha Desv. in Ann. Se. Nat. Ser. 1, vol. ix. p. 410, Side 
Hook. fil, 
Hab. One of the species commonly cultivated. 
©© Leaflets oblanceolate. Legume straight, 6-8-seeded. 
9. I. arnrecta Hochst. in ier Hb. Abyss. no. 1928; 
Baker, 1. c. p. 97 (1871), non Ben 
I. umbonata Welw. ex Baker, ip 
I. Anil Guill. & Perr. Fl. Seneg. p. 180 (1831-38). 
This is the chief indigo-producing —— in Africa out- 
side the area occupied by I. articulata Gouan 
©O© Leaflets elliptical. Racemes 8-10 cm. long. Legumes 
almost straight, glabrous, 1:25-1:50 cm. lon 
160. I. “aon ans Boivin ex Baillon in Bull. Boc: Linn. 
Par. i. ps nd (188 
need sae brachycarpa Vatke in Oesterr, Bot. Zeit. 
ast), 12. ‘214, non D 
b. East TROPICAL Arrica. Zanzibar, Hildebrandt, no. 941! 
©OOO© Leaflets oblong or obovate. Racemes shorter than the 
leaves. Legumes straight, or nearly so, 2°5-4 em. long, 8- 
je feen d. 
1. I. rivcroria L. = yi p. 751 (1753); Wight, Icones, ii, 
t. 303 Ae) Baker, J. ¢. 
. indica Lam m. Encye. ii. : sas (1789). 
L orwithopodioédes Schum. et Thonn. Pl. Guin. p. te Al 
I. Bergit Vatke in oe Ind. Sem. Berol. p. 3 (1876 
I. orthocarpa Baker resl. 
Hab. “Widely salteatel “Wild in Senegambia, and perhaps 
elsewhere 
This is the ‘ Indigofera leguminibus arcuatis incanis, racemis 
foliis brevioribus ”’ of Linneus, Fl. Zeylan. p. 125, and there is a 
ae specimen in Hermann’s datacom vol. ill. p. 20, in which 
the axillary racemes are much shorter than the leaves 
© OOOO Leaves oblong or oblanceolate. Lisanis oblong, 
6-10 mm. long, 2-seeded. 
162. I. ete io De Wild. & Dur. in Bull. Herb. Boiss. 
2nd ser. i. p. 18 (Dec. 1900). 
Hab. Lowz etn Congo Region, Kisantu, J. Gillet, no. 839. 
lORORORORORO) er ee oval or — Legume short, 
- . long, glabrous, 2-3-seeded 
. AMORPHOIDES oi Jan, & Bix. Illus. Pl. Or. t. 483 (1853- 
57); Bale, ¢. p. 97. 
L. nica Hochst. in Schimp. Pl. Abyss. no. 2213. 
I. alta ; Bolsa Fl, Athiop. p. 11 (1867). 
Hab, Nutz Lanp. Abyssinia, near Gageros, Schimper, no. 2213! 
Near Awarra, Schimper. Esices, Schweinfurth. Somauizanp. Upper 
Sheik, Mrs, E. Lort Phillips ! 
