FLORA OF ADEN . 
173 
acute, the upper one as long as the tube, the others shorter. Corolla 
small ; vexillum i inch long, obovate, unguiculate, slightly longer than 
the keel. Ovary as long as the stout style. 
Pod § — inches long, yy inch broad, linear, strigose, 6 — 8 — oo- 
seeded. 
Locality : — Little Aden, plain between Jehel Ihsan and Jebel Muzul- 
ghum (JDefL). 
Distribution > — Nubia, Eritrea, Central and Southern Arabia, Socotra. 
7. Indigofera trigonelloides Jaub. et Spach Illustr. V (1857) 
•9-2, t. 482 ; Hook. El. Brit. Ind. II, 94 ; Cooke FI. Bomb. Pres. I, 312. 
Indigofera asperifolia Hochst. in Schimp. PI. Abyss. No. 2272. 
Indigofera geruginis Schweinf. FI. Aethiop. 11. 
Description : — An annual, densely silvery; stems many, caespitose, 
trailing, much-branched, 6-15 inches long, trigonous, clothed with 
appressed silvery hairs and a few spreading ones. Leaves 5-7-foliate ; 
petioles T 3 ^- — § inch long, hairy; stipules linear, acute, hairy. Leaflets 
alternate, £ — § by T 3 g inch, oblanceolate or elliptic, rounded at the 
apex, densely clothed on both sides with silvery appressed hairs, base 
acute, petiolules of the lateral leaflets 0 — yL- inch, those of the terminal 
leaflets J inch long. 
Flowers in dense sessile villous heads, each consisting of 12 -—20 sessile 
flowers; bract minute, ovate-lanceolate, acute, hairy. Calyx J- — T ^. 
inch long ; teeth long, linear, acute, hairy. Corolla red, scarcely 
exserted. 
Pods J inch long, linear-cylindric, straight, silvery -hairy, torulose, 
seeds 3 — 4. 
Locality /—Aden (Perry) . 
Distribution : — Punjab, Afghanistan, Sind, Aden, Abyssinia. 
5. Tepkrosia Pers. 
Undershrubs or herbs. Leaves usually imparipinnate, sometimes 
digitate or simple, stipulate. Leaflets opposite, usually numerous, parallel- 
veined, often silky beneath. 
Calyx-teeth subequal or the 2 upper more deeply connate, or the 
lower longer. Petals clawed ; standard suborbicular, wings obliquely 
obovate or oblong, keel incurved, obtuse or subacute. Upper stamen 
free to the base or middle, anthers uniform. Ovary sessile ; ovules 
