568 xcvu. pedalixe.e (stapf). [Sesamothamnns. 



2. S. Lugardii, y. E. Br. A small bushy tree, 12 ft. high. 

 Flowering branches up to over 2 lin. thick, bark brown to ashy-grey ; 

 spines 2-6 lin. long, spreading. Leaves on very short arrested branch- 

 lets in the axils of the spines, fascicled, produced with or after the 

 flowers, cuneate-oblong or narrowly obovate, obtuse or retuse at the 

 apex, 6-10 lin. long, 2-3 J lin. broad, densely covered with a white scurf 

 of exceedingly minute stellate hairs on both sides, particularly beneath. 

 Flowers 1—3, terminal on the long shoots or on the short leaf-bearing 

 branchlets ; pedicels 2-5 lin. long, white-scurfy. Calyx 2-3 lin. long ; 

 segments deltoid-ovate, obtuse, 4 anterior subequal, the posticous smaller. 

 Corolla densely covered with white scurf when young; tube 3-3J lin. 

 long, 2J lin. wide, slightly curved, cylindric, dorsally produced at the 

 base into a stout blunt spur up to 2-J- lin. long, tomentose within below, 

 glabrous above; limb 2 in. across; lobes 8-9 lin. broad. Stamens 

 inserted 5-6 lin. below the mouth ; anticous filaments 2\ lin. long, 

 posticous \\ lin. long ; anthers 2\- 3 lin. long. Capsule rectangular- 

 elliptic to obovate in outline, subemarginate at the apex, brown, more 

 or less white-scurfy. Seeds transversely elliptic-oblong, 4J- 5 lin. long, 

 6-8 lin. broad, wings broad. 



Mozamb. Sist. Northern Kalahari desert : near Chukutse Salt Pan, 3000 ft., 

 Lugard, 274 ! 



Lower Guinea. German South-west Africa : Damaraland, Chapman Sf 

 Haines .' 



3. S. benguellensis, Welw. in Trans. Linn. Soc. xxvii. 50, t. 18. 

 A shrub of very variable habit, when young slender, 4 ft. high, with a 

 stem as thick as a finger, sparingly branched or almost simple, spinous 

 all along, when old with a short bole, 4-6 ft. in circumference, divided 

 into short branches, as thick as an arm, from which spring numerous 

 erect or oblique shoots, 4-6 ft. long and abundantly armed with spread- 

 ing spines ; spines 4-6 lin. long. Leaves appearing after the flowers, 

 obovate-spathulate, obtuse or subemarginate, gradually attenuated into the 

 petiole, 4-6 lin. long, glaucescent. Racemes 3-7-flowered ; pedicels stout 

 2-4 (rarely to 5) lin. long, 2-bracteolate ; bracteoles ovate or lanceolate, 

 scarcely 1 lin. long. Calyx-segments ovate-triangular, acute or subacute, 

 the anterior 4 subequal, 2-'d lin. long, the posticous smaller, more or less 

 deflexed. Corolla white to pale pink, sweet scented ; tube 2\-2h in. long, 

 H-2 lin. thick at the middle; spur 1-1J in. long, horizontal; limb 

 2-2\ in. in diam. ; lobes \- f in. broad, margin entire, naked. Posticous 

 anthers sessile. Capsule elongate-obovate or obovate-oblong, 3-3J in. 

 long, 1-1 h in. broad. Seeds 5 lin. long, 8-9 lin. broad including the wings, 

 which are 3 lin. broad where widest. — Hiern in Cat. Afr. PI. Welw. i. 

 796 ; Baum, Kunene-Samb. Exped. 371. 



Lower Guinea. Angola : Mossamedes ; in dry rocky places on the Serra da 

 Cazimba, between Cazimba and Quitibe, 600-1000 ft., and at Cazimba, Welwitsch, 

 1509 ! Chella Mountains, between Nevis and Petri Grande, 1000 ft., Baum, ]006 ! 



4. S. Smithii, Baker. Stem and leaves unknown. Flowers in 

 3-7-flowered racemes ; rhachis purplish, densely mealy-glandular, not 



