Indigofera. XLVII, § PAPILIONACEE (BAKER). 77 
Upper Guinea. Senegambia, Perrottet! Heudelot! Ingram! Guinea proper, 
Thonning. Barter! and others. 
Nile Land. Sennaar, Kotschy! 
Lower Guinea. Loanda, and Pungo Andongo, Dr. Welwitsch! 
25. I. bracteolata, DC. Prod. ii. 223. Stems suffruticose, 1-2 ft. 
long, copiously branched, trailing or suberect, the branches firm, 
slender, subterete, thinly clothed with fine spreading pubescence. Sti- 
A linear, deciduous. Petioles very short. Leaves of the main 
ranches with one or two pairs of leaflets and a terminal one, those of 
the branchlets simple, all obovate or ovate-oblong, 2-8 lines long, apex 
rounded and mucronate, the lateral ones distant and opposite, both 
sides grey-green and permanently clothed with adpressed silvery hairs. 
Flowers racemose on the branchlets with a bract like a leaflet from the 
base of each. Pedicels equalling the calyx. Calyx 1 line deep, silky, 
the teeth linear-lanceolate, reaching down nearly to the base. Corolla 
reddish, scarcely exceeding the calyx. Pod scarcely exceeding the 
calyx, oblong mucronate, 1- or 2-seeded. 
Upper Guinea. Senegambia, Perrottet! Heudelot! Guinea, Vogel! Barter! 
Nile Land. Nubia, Kotschy! More densely silvery than the Western speci- 
mens, and leaves sometimes nearly round. 
26. I. spinosa, Forsk.; DC. Prod. ii. 232. A copiously branched 
stiff shrub with erecto-patent terete slightly argenteous woody 
branches and copious sharp rigid slender spines 1-1} in. long. Stipules 
minute, setaceous. Petiole silvery, a line long. Leaves simple or 
digitately trifoliolate. Leaflets 3 lines long, obovate, mucronate, firm, 
both sides permanently silvery. Flowers solitary from the spines, 1-6 
from each on short slender pedicels. Calyx campanulate, silvery, 
more than 4 line deep, the teeth lanceolate acuminate, reaching halt 
Way down. Bracts minute setaceous. Corolla more than twice as 
ong as the calyx, reddish, silky on the outside. Pod linear-mucronate, 
2 In. long, a line broad, argenteous when young, subtorulose, spreading, 
6—-9-seeded.—Jaub. et Spach. Ilust. Pl. Orient. t. 490-1. J. spinifiora, 
Hochst. et Steud. in Schimp. Pl. Arab. No. 945. 
Nile Land. Nubia, Ehrenberg. Abyssinia, Schimper. Petit! 
Also a plant of Egypt and Arabia. 
27. I, Rothii, Baker. A copiously branched woody shrub with 
*tecto-patent terete slightly argenteous woody branches and copious 
sharp erecto-patent spines often 14 in. long. Stipules linear. Leat- 
ets 5-7, oblong or obovate, 4-2 in. long, mucronate, the lateral 
ones opposite, subsessile, texture firm, both sides grey and thinly 
silvery. Flowers from the spines, solitary or 2-4 near together on 
cernuous strong silvery pedicels a line long. Calyx silvery, 2 lines 
deep, the teeth linear, reaching more than halfway down. Corolla 
silky externally, twice as long as the calyx, considerably larger than 
the average of the genus, the standard } in. broad. Pod linear 
