FLORA OF ADEN. 
3] 5 
Locality : — Eastern shore of the Isthmus, creeping on the sand close 
to the high water-mark (Schweinf., Defh); without locality (Birdw.). 
Distribution : — S. Arabia, Nubian coast. 
Note : — Schweinf urth is of opinion that this -plant is reproduced 
chiefly vegetativelv. All the flowers which he examined in different 
localities on the shore of the Red Sea and at different seasons of the year 
were sterile throughout and in spite of long searching he was not able to 
secure a single fruit. 
7 . Cornulaca Delile. 
Small harsh undershrubs; stem (and branches) conlinuous. Leaves 
small, alternate, when young ending in a spine. 
Flowers axillary, solitary or clustered, buried in wool in all the 
species except G. Dhrenbergii , polygamous, mostly imperfect. Perianth- 
segments 5, united into a hard cup at the ba.se ; segments lanceolate, 
dilated upwards, membranous, or 1 or 2 of them spinous. Stamens 5 ; 
staminodes short, quadrate. Ovary ovoid, free or immersed in a disc ; 
style short, with 2 branches ; ovule 1, nearly sessile. 
Utricle enclosed within the hardened base of the perianth ; embryo 
spiral, without albumen ; seed (where known) horizontal 
Species 4 or 5. 
Distribution : — From North Africa to Kabul. 
1. Cornulaca liioiiacantlia Del. FI. Egyp. 206, t. 22; Moq. in DO. 
Prodr. XIII, 2, 218; Schweinf. Beitr. FI. Aethiop. 180; Zarb in Cat. 
Sp6c. Bot. Pfund 34; Boiss. FI. Or. IV, 984; Batt. et Trab. FI. Alg. I, 
767 ; Volk, in Engl, und Prantl. Pflanzenfam. Ill, la, 89, fig. 44, A~D, 
Durand et Barratte FI. Libvc. Prodr. (1910) 208. 
Traganinm nudatum Sieb. ex Moq. in DC. Prodr. XIII, 2, 172. 
Description . — A much-branched rigid low undershrub. Leaves J 
inch long, lanceolate, curved, ending in a spine, the base ovate, many 
distant; in age the spine often disappears, and the base of the leaf on the 
old branches becomes a cushion. 
Flowers clustered, buried in wool. Perianth in flower | inch long ; 
the spathulate lobes elongate in fruit, and one at least usually becomes 
spinescent. 
Locality :• — Great valley between Steamer-Point and town (Marche- 
setti, from manuscript note in his x Ausflug nachAden^). We have 
not seen this plant. 
Distribution .-—Tunis, Sahara desert in the Teda country, Egypt, 
Nubia, Arabia, Persia, Afghanistan. 
Uses : — According to Bitchie this plant is a good purgative for man 
find beast, 
