﻿58 coNVoLVULACEiE (Baker <^ Wright). [Ipomcea. 



thinly pilose ; sepals equal, lanceolate, acute, moderately firm in 

 texture ; corolla bright purple, broadly funnel-shaped, 2-2| in. long, 

 glabrous on the outside ; capsule glabrous, coriaceous, 4-6 lin. in 

 diam. ; seeds glabrous. Ckoisy in DC. Prod. ix. 368 ; Hallier f. in 

 Engl. Jahrb. xviii. 1"27. 



Var. 8. hirsuta (Rendle in Jouru. Bot. 1901, 16) ; leaves and sepals firmer in 

 texture, the tormer persistently clothed on both sides with dense adpressed bristly 

 hairs. 



Coast Region : Alexandria Div. ; Quagrga Plats, Boioie, 115 ! King 

 Williamstowa Div. ; near Bri.dbach, Murrmj, 82! Queeustown Div. ; Tambuki- 

 land, Zeyher ! near Sliiloh, 3500 tt., Drege > Baur, 853 ! 



Ckntral Eegion : Albert Div. ; Braam Berg, Cooper, 1355 ! 



Kalahari Hegion : GriquiiLuid West ; Kimberley, Marloth, 778 ! Orange 

 River Colony j l^iet Foiitein, Eehmarin, 3695; Transvaal; Wonderbooin Poorfc 

 near Pretoria, Rehmann, 4540! Var. ;3 : Oranye Kiver Colony; Caledon River, 

 Burl:e ! Trausvajil ; Houtbosch, Ethmann, 5936 ! Magalies Berg, Barke, 179 ! 

 Zevher, UOV. 



Eastern Region j Natal ; hill near Little Tugela River, Wood, 3466 ! Yar. j3 : 

 Natal ; Pietermaritzburg, Wilms, 2152 ! 



27. I. contorta (Choisy in DC. Prod. ix. 350) ; stems slender, 

 prostrate, rough with short bristly hairs ; leaves ovate or oblong- 

 ovate, entire, acute, subcoriaceous, more or less crisped, l-ll in. 

 long, rounded or obscurely cordate at the ba?e, thinly clothed with 

 adpressed bristly hairs, especially on the tinder surface ; petiole 

 very short ; peduncles 1-flowered, often longer than the leaves ; 

 bracts small, linear or lanceolate, contiguous to the calyx : calyx 

 3-4 lin. long, thinly bristly ; sepals equal, lanceoliite, acute ; corolla 

 1-1—2 in. long, purple, broadly funnel-shaped, glabrous on the out- 

 side; capsule unknown. /. crispa, Hallier f. in Engl. Jahrb. xviii. 

 143. I. 8p., Drege, Zioei Fflanzengeogr. Documente, 139. Con- 

 volvulus crispus, Thunh. Fl. Cap. ed. Schult. 168. 



South Africa: without locality, M^wnd .' Zeyher, \2\\\ Thunoerg ! 



Coast Region: Alexandria Div.; Zwart Hoogte, Burke! Albany Div.; 

 near Assegai Bosch aud Botram, Drege, 7832! Fort Beaufort Div.; Cooper, 

 419! 



28. I. xiphosepala (Baker) ; tufted annual ; stems slender, 

 twining or trailing, 1-2 ft. long, at first den?ely, when mature finely 

 and shortly pubescent; leaves lanceolate, acute, 1-1^} in. long, 

 auricled and cuneale at the base, slightly pubescent ; petiole very 

 short ; peduncles always 1-flowered, ebracteate, i-i in. loiig ; calyx 

 ^ in. long, shortly pubescent ; sepals linear, acuminate, equal, firm 

 in texture, 5 lin. long, increasing to 7 lin. in fruit ; corolla purplish. 

 Dearly cylindrical, 5 lin. long ; anthers very small ; ovary 2-celled ; 

 cells 2-ovuled ; capsule hirsute, not more than half as long as the 

 calyx. 



Kaiahari Region : Transvaal ; Mooi River, Burke ! 



29. I. gracilisepala (Kendle in Journ. Bot. 1901, 12) ; perennial ; 

 branches long, prostrate, shortly hairy ; leaves shortly petioled, hastate, 



