146 xc. convolvulace^e (baker and rendle). [Ipomcea. 



ovate, acuminate, pilose, ciliate, 4-6 lin. long, outer much broader, 

 inner very acuminate. Corolla probably rose-red, 1-1^ in. long, 

 sparsely and shortly pilose. — Rendle in Journ. Bot. 1901, 14. /. crassipes, 

 var. ononoides, Hallier f. in Bull. Herb. Boiss. vii. 45. /. crassipes, Hook., 

 teste Hiern in Cat. Afr. PI. Welw. i. 732. 



Lower Guinea. Angola: Huilla ; in exposed bushy ground near Mumpulla, 

 Welwitsch, 6128 ! 



29. I. Randii, Rendle in Journ. Bot. 1901, 18. An undershrub. 

 Stems strong, prostrate, subtriangular, 1|- lin. thick, bearing, like the 

 petioles and pedicels, numerous short stiffish reddish-brown hairs. Leaves 

 ovate, 3 to barely Sh in. long by about 1| in. broad just above the base, 

 apex rounded, base truncate, bearing numerous short adpressed pale 

 brownish or reddish-brown stiffish hairs on each side, and a dense 

 marginal fringe; veins conspicuous beneath; petioles up to 10 lin. 

 long. Flowers solitary in the leaf -axils ; peduncles up to 1|- in. long; 

 bracteoles beneath the calyx, narrowly linear-lanceolate, about 7 lin. 

 long, and (like the sepals) densely minutely hirsute on the back. Calyx 

 10 lin. long. Sepals acuminate, diminishing in breadth from the outer, 

 ovate, to the inner, lanceolate. Corolla purple, funnel-shaped, over 2 in. 

 long ; midpetaline areas minutely hirsute. Fruit not seen. 



Mozamb. Dist. Rhodesia, Bulmvayo, Band, 271 ! 



30. I. hackeliana, Hallier f. in Engl. Jahrb. xviii. 126. Annual. 

 Stems slender, climbing, pilose. Leaves ovate or lanceolate, cordate or 

 subtruncate at the base, pellucidly glandular, sparsely pilose on both 

 surfaces, margins crimped, pilose, up to 1-1^ in. long and 9 lin. broad ; 

 petiole 2-8 lin. long. Peduncle about 6 lin. long ; bracts lanceolate from 

 a narrowly cordate base, 1-lty lin. long, ciliate on midrib and margin. 

 Calyx hairy, about 6 lin. long ; sepals very unequal, the two outer ovate 

 from a cordate base, blunt, the two inner lanceolate in the upper part, 

 but narrow and linear below. Corolla funnel-shaped, rose-red, about 

 8 lin. long; midpetaline areas hairy. Capsule hairy. Filaments unequal, 

 2-3 lin. long; anthers lanceolate with sagittate base up to 1 lin. long. 

 Seeds 4, blackish, hairy. — Aniseia hackeliana, Schinz in Verhandl. Bot. 

 Ver. Brandenb. xxx. 274. 



Lower Guinea. German South-west Africa : Amboland, Olukoiida, Scliinz, 

 749 ! 



31. I. convolvulifolia, Hallier f. in Engl. Jahrb. xviii. 126. 

 Perennial ? Stems long, procumbent with a woody base, clothed with 

 adpressed yellow hairs. Leaves cordate-subsagittate, 1 in. long, 8 lin. 

 broad, apex rounded, often mucronate, with rounded parallel basal lobes, 

 deep green and thinly pubescent above, grey pubescent, with prominent 

 yellowish veins beneath ; petiole less than 6 lin. long. Peduncle short, 

 (rarely up to 6 lin. long), 1-2-flowered ; pedicels subclavate ; bracts 

 minute, linear. Sepals 4 lin. long, adpressed and minutely pubescent ; 

 3 outer broader, ovate-lanceolate, acuminate, broadened at the base, 2 

 inner linear-lanceolate. Corolla funnel-shaped, rose-red, minutely 





