548 xcvu. pedaline^; (stapf). [Harpagophytum. 



1. H. procumbens, DC. Prodr. ix. 257. Stem, like the whole 

 plant subglabrous (apart from the mucilage glands) or the younger parts 

 more or less minutely hispidulous. Leaves rotundate-ovate to rhomboid 

 or ovate in outline, pinnatilobed to or beyond the middle, i-li in. long, 

 about A— 1 in. broad, shortly cuneate at the base, glaucous or whitish 

 and powdery-glandular below ; lobes more or less oblong, obtuse, with 

 1-3 short, obtuse, irregular teeth ; petioles 3-9 lin. long. Pedicels 

 about 3 lin. long. Calyx 2-4 lin. long. Corolla 2-2 \ in. long ; tube 

 narrow and cylindric for 4-5 lin. from the base, then widened, trumpet- 

 or funnel-shaped, about \ in. wide just below the mouth, yellowish 

 below, passing into purple above ; limb 1— 1 \ in. across, deep purple ; 

 lobes suborbicular, broader than long. — DC. in Deless. Ic. Sel. v. 39, t. 

 94 ; Engl. Jahrb. x. 255 ; Stapf in Dyer, Fl. Cap. iv. ii. 458. H. 

 Burchellii, Decne in Deless. Ic. Sel. v. 40. Uncaria procu?nbens, Burch. 

 Trav. i, 53G, 529 with fig. of fruit. 



XWCozaraifo. Dist. Becbuanaland : Ngamiland ; Kalahari Desert between 

 Kwebe and Palapye, 3000 ft., Lugard, 273 ! Botletle Valley, Lugard, 212, 

 partly ! 



Var. sublohatum, Engl, in Baum, Kunene-Samb. Exped. 370. Leaves rotundate- 

 ovate or broad-elliptic to oblong, rarely obovate-spathulate, repand to sballowly and 

 obtusely lobed and undulate, truncate to cuneate at the base 1-2 in. long, | to over 

 1 in. broad. 



lower Guinea. Angola : near Kabindere on the Kubangfo River, 3800 ft., 

 Baum, 339 ! German South-west Africa : Amboland ; Olukonda, Bautanen, 95 ! 



IVXozamb. Dist. Becbuanaland: Ngamiland; Botletle Valley, Lugard, 212 

 partly ! Kobis, Baines ! near Luke Ngami, McCabe, 46! Matabeleland : Sbasha 

 River, Band, 200 ! and without precise locality, Elliott I 



The typical form extends to the south as far as the Orange River. 



5. ROGERIA, J. Gay ; Benth. et Hook. f. Gen. PI. ii. 1057. 



Calyx small, 5-partite. Corolla-tube funnel-shaped to almost 

 cylindric, slightly gibbous to saccate on the posticous side of the 

 base ; limb spreading, obscurely 2 -labiate ; lobes suborbicular, sub- 

 equal. Stamens 4, didynamous, inserted low down in the corolla-tube ; 

 filaments long, filiform ; anthers parallel, ovate-oblong, dorsifixecl. 

 Ovary unequally 2-celled ; posticous cell much shorter and smaller, 

 perfectly divided by a spurious septum ; anticous cell divided imper- 

 fectly (in the lower part) ; ovules numerous and about 4-seriate in 

 each of the anticous, few and 1-seriate in the posticous divisions. 

 Capsule obliquely ovoid, rostrate, armed with 2-8 conic spines or 

 tubercles, the large anterior cell tardily dehiscent loculicidally to the 

 middle, the posticous indehiscent. Seeds oblong, angular ; testa reticu- 

 late. Leaves broad, long-petioled. Flowers in axillary few- or 1- 

 flowered cymes on short pedicels, violet or white. 

 Species 3, one of them extending into South Africa. 



Leaves more or less 3-lobed; capsule with 4 (-8) 



spines at the base 1. 22. adenophylla. 



Leaves not 3-lobed ; capsule with 2 or no spines. 



