Thunhergia.'] xcviii. acanthaceje (burkill). 13 



9. T. hookeriana, Lindau in Engl. Jahrb. xvii. Beihl 41, 38. A 

 shrub of 2-0 ft., with slender quadrangular branches, glabrous. Leaves 

 on very short petioles, lanceolate or trapezoid-lanceolate, somewhat 

 acute, entire or with a large tooth on each margin, 3-nerved, lJ-3 in. 

 loiig» i-f in. broad, glabrous on both surfaces, darker above. Flowers 

 two together from the axil of a leaf, on short peduncles ; bracteoles 

 J in. long, oblong, somewhat acute, green. Calyx-teeth short, obtuse. 

 Corolla-tube l;! in. long ; lobes violet-blue, retuse. Stamens hairy at 

 their insertion ; anthers with a very short spur at the base of each 

 lobe, glabrous. Stigma with 2 short lips.— r. Kirkii, Hook. f. Bot. Mag. 

 t. 6077, not T. kirkiana, T. Anders. 



Wile Iiand. British East Africa : Mombasa, Wakefield ! 

 BXozamb. 3>ist. Zanzibar, cultivated specimen, Kirh ! 



10. T. annua, Hochst. ex Nees in DC. Prod. xi. 55. A weak herb, 

 branching from the root. Stems with long white hairs when young. 

 Leaves sessile, narrow, oblong-lanceolate, tapering to an acute base, 

 obtuse or rounded above, with scattered hairs along the veins of the 

 lower surface, 4 in. long and f in. broad. Flowers on short peduncles ; 

 bracteoles ovate, strongly keeled and pilose along the keel, 5-7-nerved. 

 Calyx-teeth rather short. Corolla-tube scarcely longer than the 

 bracteoles, 8 lin. long, rather narrow ; lobes 1 J lin. long. Anthers 

 with 2 fine spurs, one at the base of each lobe, and hairy at the base ; 

 lobes nearly equal. Stigma with two broad lips, the upper slightly the 

 longer. Capsule thin-walled, pubescent ; the fertile part orbicular ; the 

 beak arising from it very abruptly. Seeds smooth. — Hochst. in Flora 

 1841, Intell. bl. 43 (name only) ; Solms in Schweinf. Beitr. Fl. Aethiop. 

 113. 



Wile Xiand. Abyssinia : Goelleb. on the River Tacazze, in damp fields at 4000 ft., 

 ^chimper, 21521 Cordofan : Mount Arasch-Cool, on the margins of stagriant pools, 

 Kotschy, 109 I Abu-Gerad, Cienkowsky (ex Solms) ; and without precise locality, 

 Kotschy, 97 1 



Var. Ruspolii, Burkill. More hairy, than the type. Leaves subtruncate at the 

 base, hirsute. Bracteoles hirsute. — T. Hiispolii, Lindau in Ann. Istit. Bot. Roma, 

 vi. 67. 



Wile ]jand> Somaliland : between Oi and Jaribule, Biva, 108. 



11. T. hispida, SoItus in Schweinf. Beitr. Fl. Aethiop. 113 {not of 

 Lindau). Stem erect, hispid, quadrangular. Leaves oblong-elliptic, 

 sessile, hispid with white hairs, about 1 in. long, scarcely \ in. wide ; 

 nerves prominent below. Flowers on peduncles 2-3 lin. long ; bracteoles 

 ovate, acuminate. Calyx-teeth many, becoming woody at the maturity 

 of the fruit. Flower unknown. Capsule nearly 1 in. long, glandular. 

 Seeds nearly round, ribbed. 



Wile Iiand. Sennar : near Roseres, Cienkowsky. 



Owing to the want of flowers the exact position of this species must remain 

 doubtful. 



12. T. paulitschkeana, G. v. Beckin Paulitschke, Harar,-ib^, t. 12. 

 A climber ; stem rather thin, hispid. Leaves sessile, oblong-rhomboid. 



