﻿Ipomoea.] coNVOLvuLACEiE (Baker & Wriglit). 59 



li in. long, 6-8 lin. broad, dark green, glabrous and dotted on the 

 upper Burlace, sparsely pilose beneath, basal auricles slightly lobeil ; 

 flowers 1-2, shortly stalked ; bracts linear-lanceolate, acute, pilo->e, 

 3-4 lin. long; sepals equal, linear-lmceolate, acuminate, 4-6 lin. 

 long, shortly hairy on the back and edges ; corolla scarcely longcjr 

 than the caljx, apparently tubular-campanulate and yellowish; 

 filiments 1^-1^ lin. long; fruit globose, 4 lin. in diam. ; seeds 

 2-2i lin. long, clothed with adpressed grey hairs. 



South Africa : without locality, Zeyher, 1221 ! 



30. I. albivenia (Sweet, Hort. Brit. ed. 2, 372); shrubby 

 perennial climber ; young stems thinly coated with cottony tomentum, 

 the old ones glabrous ; leaves roundish, deeply cordate at the base, 

 cuspidate, entire, 3-4 in. long and broad, moderately firm in texture, 

 quite glabrous and green on both sides when mature, when young 

 marked beneath witb a lattice-work of thick white tomentum on the 

 main veins and their principal connecting arches ; petiole nearly as 

 long as the blade; peduncles very short, 1-flowered; bracts minute, 

 deciduous ; calyx 6 lin. long, clothed at first with white tomentum ; 

 sepals round-oblong, obtuse, chartaceous, much imbricate ; corolla 

 white with a purple tube, or all white, 2^-3 in. long, glabrous 

 externally, spreading at the throat; capsule glabrous, coriaceous, 

 9 lin. in diam. ; seeds very woolly. Chum/ in DC. Prod. ix. 379; 

 Hallier f. in Engl. Jahrb. xviii. 151. /. Gerrardi, Hook. f. in Bat. 

 Mag. t. 5651; Hallier f. I.e. xviii. 151, and xxviii. 51 i?i ohs. 

 Convolvulus allnvenius, Lindl. in Bot. Beg. t. 1116. 



Kalahari Region: Transvaal; near Barberton, 2500-3OJO ft, Ga''pi'n, 807! 

 Thi'rncroft, 1:^8 {Wood, 4286) ! Boschveld, betweeu Elands Eiver and Klippan, 

 Bthmann, 5071 ! Komati Pooit, Kirk, ii2 ! 



Eastern Region : Natal ; near Mooi River, Gerrard, 1326 ! Delagoa Bay, 



Mrs, Monteiro ! 



31. I. purpurea (Roth, Cat. i. 36) ; annual; stems slender, wide 

 twining, beset with short reflexed hairs ; leaves cordate-ovate, usually 

 entire, cuspidate, membranous, pubescent, especially on the under 

 surface, distinctly petioled ; peduncles 1-3-flowered, often longer 

 than the leaves; pedictls very short; bracts small, linear; calyx 

 6-9 lin. long, densely pilose especially towards the base; sepals 

 leafy, lanceolate, acuminate ; corolla 2-2 J in. long, glabrous outside, 

 funnel-shaped, dilated in the upper half, reddish-purple, violet or 

 white; capsule globose, 3-celled, glabrous, much shorter than the 

 calyx ; seeds naked. Hallier f. in En<jl. Jahrb. xviii. 137. J. 

 congesta, B. Br. Prodr. 485 ; Benth. Fl. Austr. iv. 417 ; Hallier f. 

 I.e. I. punctata, E. Meyer in Brege, Zwei Pfianzengeogr. Docu- 

 mente, 153, 158. Convolvulus purpureus. Linn. Sp. PI. ed. 2, 219 ; 

 Bot. Mag. tt. 113, 1005 (var. elatior), 1682 {var. varius). Pharhitis 

 hispida, Choisy in DC. Prod. ix. 341. 



Kalahari Region: Transvaal ; near Lydenburpr, Wilms, 9801 

 Eastern Region: Natal; TJmlazi Rirer Heights, below SCO ft., Dffge! 

 around Durban Bay, Krauss, 2<.»7 ! Sydenham, near Durban, Wood, 4018 ! Rooi 



