Indigofera.'] LEGUMINOSAE. 305 



many-ovulate ; style glabrous ; stigma capitate, sometimes pedi- 

 cellate. Pod usually linear-cylindric, rarely oblong or globose, 

 straight or curved, sometimes angled, sometimes muricate, often 

 torulose, septate within between the seeds. Seeds globose or 

 cylindric and truncate ; strophiole 0. 



Pod 1-seeded; leaves simple; annuals with very small flowers: 

 Pod short, recurved, sickle-shaped, prickly on the broadened 

 ventral suture; green plants nearly glabrous with broadly obovate 



obtuse leaves ] . echinata. 



Pod very small, globose, smooth ; silvery-hoary plants with linear 



to obovate leaves 2. lini/olia. 



Pod 2-many- seeded, linear or oblong or 4-angled ; leaves simple or 

 pinnate : 



Leaves simple, ovate-cordate, densely covered with long white soft 

 hairs; flowers very small, the setaceous calyx-lobes longer than 



the corolla ; pod minute, 2-seeded 3. cordifolia. 



Leaves imparipinnate : 



Flowers solitary, pedicellate ; pods slender, cylindric : 



Herbaceous perennial with slender prostrate reddish branches ; 

 leaflets usually 5, thin, oblanceolate, flat; pedicels filiform, 



3-'4 in. long; pod '4 in. long 4. uniflora. 



Erect much-branched stiff undershrub, young branches silvery 

 pubescent ; leaflets usually 3, thick, oblanceolate, folded : 

 pedicels slender, '2 in. long; pod *6 in. long ... 5. aspalathoides. 

 Flowers in axillary racemes : 



Racemes very short, subcapitate ; pod oblong, 2-seeded : 

 Leaves trifoliolate, leaflets up to 1 in. or more long, black- 

 glandular beneath ; pod pubescent, dentately winged on 

 either side of the sutures, *2 in. long, sometimes 1 -seeded 



6. glandulosa. 



Leaves 7-9-or more-foliolate, leaflets scarcely '5 in. long, 

 not glandular, alternate; pod sparsely white-hirsute, not 



winged; '15 in. long 7. enneaphylla. 



Racemes more or less elongate, not capitate ; pod linear^ 

 flattened or cylindric,, several-seeded: 



Leaves trifoliolate, the under-surface of the leaflets usually 

 with round glands : 



Racemes slender, subcorymbose, up to 1 or T5 in. long } 

 with pedicellate flowers ; pods '6-'8 in. long, not deflexed ; 

 leaflets apiculate, the glands large and prominent 



8. pedicellata. 



