FLORA OF ADEN. 
179 
Pod round or oblong, compressed or turgid, usually continuous within. 
Seeds 2, rarely 1 ; the hilum parallel to the sutures and the funicie centri- 
cal upon it ; strophiole thick, small or absent. 
Species : — About 80. 
Distribution : — Throughout the tropical regions, a few in extra 
tropical N. America and South Africa. 
1. Rliyncliosia memnonia (Del.) DC. Prodr. II, 386; Hook. PI. Brit. 
India. II, 224; Oliv. FI. trop. Afr. II, 220. 
Rhynchosia pulverulenta Stocks in Kew Journ. Bot. IV, 147 ; Boiss. 
FI. Or. II, 665; Anders. Journ. Linn. Soc. V, Suppl. p. 17. 
Rhynchosia minima DC. Prodr. II, 386, vav. memnonia Cooke FI. 
Bombay Pres. I, 389. 
Glycine memnonia Del. FI. d'’ Eg. p. 100, tab. 38, fig. 3. 
Description : — A twining or trailing annual, stems numerous, slender, 
much branched, canescent with short white velvety persistent pubescence. 
Leaves 3-foliate; stipules linear-lanceolate. Leaflets | — 1 inch long, 
as broad as long, rhomboid-ovate or rhomboid-obovate, obtuse, apiculate. 
Flowers in 6-12-flowered lax racemes, usually exceeding the leaves ; 
pedicels very short. Calyx J-J inch long, pubescent ; teeth twice the 
tube, linear-subulate. Corolla yellow. 
Pod J-f by -J inch, somewhat compressed, turgid, slightly recurved. 
Seeds 2, rarely 1, compressed, black. 
Floioers : January 1880 (Balfour). 
Flowers: in Yemen in January, in Eritrea it flowers and fruits in 
March and April (Schweinf.). 
Locality .-—Valley of the northern slope of the Shum Shum Range 
(Schweinf.); crater of the Shum Shum Range (Defl.j; great valley 
between Steamer Point and town (Marchesetti) ; without locality (Hook., 
Anders., Balfour, Birdw.). 
Little Aden : in ravines on the south-western slope of Jebel Muz- 
ulghum (Defl.). 
Distribution : — Egypt, Nubia, Abyssinia, Kordofan, Senn&ar, high- 
lands of Somaliland, Kilimandjaro, Angola, Lower Kongo, Natal, Central 
and South Arabia, Sind. 
Suborder 2. Ccesalpiniacece, 
Trees, shrubs, rarely herbs. Leaves alternate, i-2-pinnate, simple or 
3-foliate, usually stipulate. 
Inflorescence very various. Flowers irregular, rarely regular. Sepals 
5, 2 posterior sometimes coherent throughout, connate below or free 
to the base, imbricate or rarely valvate. Petals 5, or fewer by abortion 
