Argyroldbium.] xlvii. § papilionace-e (baker). 45 



A herbaceous annual 1.-4. abyssinicum. 



More or less shrubby perennials. 



Lower lip of calyx entire 2, A. rimotum. 



Lower lip of calyx 3-cleft. 

 Flowers many in a head. 



Pedicels very short ; bracteoles setaceous 3. A. dorycnoides. 



Pedicels l|-4 lines long ; bracteoles linear-lanceolate. 



Leaflets blunt, 9-12 lines long 4. A. Schimperianum. 



Leaflets acute, 12-18 lines long 5. A. cequinoctiale. 



Flowers 1-4 in lax beads. 



Flowers usually terminal on leafy branches . . . .6.-4. ramosissimum. 



Flowers all on naked lateral peduncles 7.-4. virgatum. 



Flowers solitary 8.-4. Petitianum. 



1. A. abyssinicum, Jarib. et Spach, lllustr. PL Or. i. 115. Annual, 

 herbaceous, 6—18 in. high, copiously and diffusely branched, silky up- 

 wards. Stipules minute, setaceous, deciduous. Petioles \~\ in. long*, 

 slender, silky. Leaflets linear or oblanceolate, central |— f in. long, 

 narrowed to both ends, the upper surface glabrous, the lower thinly silkv. 

 Flowers 1—3 in short-stalked axillary racemes. Bracts small, linear. 

 Pedicels 1-2 lines, silky. Calyx J in. deep, silky, the lower lip cleft 

 one-third down, the two teeth of the upper one lanceolate-acuminate. 

 Corolla pale yellow, equalling the calyx. Pod 1-1 J in. long, J in. 

 broad, mucronate, thinly clothed with adpressed silky grey-hairs, 6—9- 

 seeded. — A. Rich. Fl. Abyss, i. 162. A. modestum, Hochst. in Schimp. 

 Hb. Abyss. No. 1326. Tephrosia modesta, Steud. in Schimp. PI. Abyss. 

 No. 809. 



Nile Land. Abyssinia, Schimper! Quartin- Dillon and Petit! Nubia and 

 Sennaar, Schweinfurth ! 



2. A. remotum, Hochst. in Schimp. Hb. Abyss. No. 1324. A copiously 

 branched shrub with stiff erecto-patent subglabrous twigs. Stipules 

 minute, linear, persistent. Petioles | in. long. Leaflets obovate, trun- 

 cate mucronate or emarginate, 3-4 lines long, subcoriaceous, glabrous 

 when mature, green on both sides. Flowers 2—4 terminal on stiff leafy 

 branches. Pedicels a line long, with large ovate scariose bracteoles. 

 Calyx 2 lines deep, thinly silky, the lower lip entire. Corolla not 

 seen. Pod 12-15 lines long, 2 lines broad, » densely clothed with fine 

 spreading grey hairs. — A. Rich. Fl. Abyss, i. 162. 



Nile Land. Abyssinia, Schimper! 



3. A. dorycnoides, Baiter, A diffuse shrub with slender woody 

 branches densely clothed with tawny silky hairs. Stipules setaceous, 

 persistent, equalling the petioles, scarcely over a line long. Leaflets 

 3, oblong or oblanceolate, pale green, acute, subcoriaceous, clothed 

 especially beneath with silky hairs like those of the branches ; central 

 5-6 lines long, 2^-3 lines broad. Flowers 3-12 in copious dense 

 terminal heads. Bracteoles setaceous, persistent, exceeding the very 

 short pedicels. Calyx 2£ lines deep, thinly silky, two upper teeth 

 linear -lanceolate, reaching more than halfway down. Corolla yellow, 

 half as long again as the calyx ; standard 2 lines broad, thinly silky on 



