Indigofera. | XLVII., § PAPILIONACE (BAKER), 69 
Herbs with alternate leaflets. : 
Argentgous; pod 9-10-seeded .. . . . . . . « « 80. I. daleoides. 
Grey-pibescent; pod 2-B-seeded . . . . . i » - 81.2 enneaphylla. 
Subpiabrous; pod 6-Seeeded  ¢-. 5 7 3 a Be, ST, endecaphylla. 
Suffruticose, with small opposite leaflets. 
Leaflets 3-4 lines long; seeds numerous , . . . . 83. I. phyllanthoides. 
Leaflets 6-9 lines long; seeds 1-2 . . . . . . . 84. J. subulifera. 
Shrubs, with opposite leaflets, and very small calyces, with 
short teeth. 
More cr less silvery, with leaves turning blackish when 
dried. The indigo-yielding species, 
Leaflets oblanceolate. ‘ 
Pod oblong, 2-3-seeded . . . . . . . « . 85. I. amorphoides. 
Pod linear, 6-S-seeded . 5 2%... + 2s 86. Z. arrecta, 
Leaflets obovate or oblong. 
Pod reflexed, sickle-shaped. 
Densely argenteous; leaflets usually9 . . . 87. J. argentea. 
Slightly argenteous; leaflets 18-17 . . . . 88. J. Anil. 
Pod straight. 
Racemes dense, subsessile. 
Pod 6-8-seeded . .) 6 sis 5s 6 ‘+. » 89. S. wmbonata. 
Pod. 8-12-seeded 4<.ee cia dos a es orthocarpa. 
Racemes lax, stalked . . .. .. . © « 91. T tinctoria, 
Not at all silvery, the leaves glabrous when mature, not 
turning black. i 
Racemes much shorter than the leaves . . . . . 92. J. emarginella. 
Racemes exceeding the leaves . . . . . . « ~ 93. I. macrophylla. 
Leaflets 15-30. : 
Herbaceous, subglabrous ~ 2 ss ve 8 8 8 eo 5 a eee 
Herbaceous, densely viscid: = 624.00. = We es 95. id, peepec niet 
Shrubby ; leaflets 5-6 lines long . ... . . . « « 96. L. sutherlandioides 
Shrubby ; leaflets 10-15 lines lone Sc ss be Oe 
SS$$. Amecarpus.—Pods linear, flattened, bi- or multiovulate, unarmed. 
Pod recurved. . 
Peduncle Woty shirt i. < 0c5 3.4 +45, « 4 + 98. &. Hlocnsteners 
Peduncle 1-2 inches Wie og Sie ee LO 
od straight. 
Pod linear, 10-12-seeded 6130400) 2 4b te Mob 
Pod two to three times as long as broad, 3—5-seeded. ; 
Leaflets linear i A eo ee S401, 4 senegalensis. 
Hoaflots obovate 6.x; vlipctimst of © + + oo) «AOR. 1enemes 
Pod 2eccded, . 2. re . 103. LZ. ervoides. 
1. I. echinata, Wiild.; DC. Prod. ii. 198. Stems herbaceous, 1-2 ft. 
long, branched copiously from the base, and sometimes also upwards, 
moderately thick, 2-edged, finely pubescent. Stipules linear-setaceous. 
Caves simple, subsessile, elliptical or obovate, 1}—2 in. long, mucro- 
hate, both sides finely pubescent. Flowers in lax racemes an inch 
long of 6-10 flowers each from the axils of the leaves, on slender ereet 
peduncles about the same length. Pedicels short. Calyx campanu- 
ate, 3 in. deep, the setaceous subequal segments reaching down nearly 
to the base. Corolla twice as long as the calyx. Pod @ in. long, ob- 
long-falcate cuspidate, triquetrous, 1-seeded, the upper edge entire, the 
‘wo lower ones with each a double row of strong spreading oe ea 
Wight. et Arn. Prod, Fl, Ind. Or. 198. Acanthonotus, Benth. Fl. 
Nigr. 293, 
. » 100. ZL. aspera. 
