J 78 
FLORA OF ADEN. 
subequal. Corolla exserted ; standard obovate, shortly clawed ; wings fal- 
cate-oblong; keel incurved, about equalling the standard and the wings. 
Stamens diadelphous ; anthers uniform. Ovary stalked; ovules many; 
style filiform incurved ; stigma terminal. 
Pod linear jointed, somewha thick, sub terete or compressed, indehis- 
cent, usually contracted between the seeds. Seeds uniform. 
Species 3. 
Distribution :■ — Widely spread from Greece and Egypt, through 
Western Asia, Afghanistan and Baluchistan, extending over the arid 
and dry regions of India. 
1, Alhagi mauroriim Medic, in Vorles. Churpf. Phys. Ges. II (1787) 
397 ; Desv. Journ. I (1813) 120, t. 4 ; DC. Prodr. Ill, 353. 
Alhagi karduchorum Boiss. et Haussk. ex Boiss. El. Or. II, 559. 
Alhagi mannifera Desv. Journ Bot. I (1813) 120. 
Alhagi napaulensium DC. Prodr. Ill, 352. 
English name : — CamePs Thorn. 
Description : — An erect wiry much-branched shrub, armed with many 
sharp spreading spines, 1 inch or more long. Leaves simple, drooping 
from the base of the spines and branches, obovate-oblong, entire, short- 
stalked, deciduous. 
Flowers solitary or in few-flowered secund racemes from the spines 
on short pedicels. Calyx teeth deltoid, acute. Corolla red, three times 
as long as the calyx. Ovary silky. 
Pod sickle-shaped, 1 inch or more long 
Locality: — Aden (Birdw.). 
Distribution : — Nubia, Egypt, Syria. 
Uses : — The plant yields a kind of oriental manna, which appears in 
the form of drops, as of honey, on the leaves, and gradually hardens. 
9. Rhynehosia Lour. 
Herbs, shrubs or undershrubs, twining or prostrate, rarely erect. 
Leaves pinnatelv, rarely digitatelv 3-foliate. Leaflets , dotted beneath 
with resinous glands. 
Calyx-teeth not accrescent, the upper ones more or less connate, 
the lowest longer than the others. Standard obovate or orbicular, patent 
or reflexed, the base appendiculate with indexed auricles, wings narrow ; 
keel incurved at the apex. Upper stamen free, the others connate ; 
anthers uniform. Ovary subsessile, ovules 2, rarely 1 ; style incurved 
upwards, filiform or incrassated ; stigma small, terminal, capitate. 
