552 xcvu. pedaline^ (stapf). [Sesamum. 



1. S. Heudelotii. Stapf. Stems slender, trailing, sparingly 

 mealy-glandular and pubescent. Leaves numerous, about as long as 

 the internodes, lanceolate-oblong, acute at the apex, obtuse at the base., 

 entire, f-1 in. long, 3-3J lin. broad, more or less pubescent, densely 

 covered below with white mealy glands ; nerves about 4 on each side,, 

 raised and conspicuous below ; petiole \-\ lin. long. Pedicels up to 

 '1 lin. long. Calyx 3 lin. long ; segments linear-lanceolate. Corolla 

 up to 1^ in. long, finely pubescent, lowest lobe 8 lin. long. Fruit 

 unknown. 



Upper Guinea. Senegambia, without precise locality, Heudelol, 147 ! 



2. S. repens, Engl. cO Gilg in JBaum, Kunene-Samb. Exped. 371. 

 Stems prostrate, up to 2 ft. long, densely pubescent and sparingly 

 mealy-glandular. Leaves very numerous, much longer than the inter- 

 nodes, sessile, oblong, obtuse, subcuneate at the base, entire, about lin. 

 long, 3-4 lin. broad, pubescent, mealy -glandular on both sides, particu- 

 larly below, nerves about 4 on each side, very oblique, impressed above.. 

 very prominent below. Pedicels 1-1 h lin. long. Calyx 2-2| lin, long, 

 pubescent ; segments lanceolate. Corolla about 1 in. long, pubescent, 

 rose-coloured ; lowest lobe depressed, orbicular, 4 lin. long. Capsule 

 7-8 lin. long, 2 lin. broad. Seeds f lin. long, margins acute, sides rather 

 broad, like the flat faces shallowly-pitted. 



Lower Guinea. Angola : by the Longa River, between Lazingua River and 

 Quiriri River, 4000 ft., Baum, 660 ! 



3= S. pedalioides, Welw. ex Hiern in Cat. Afr. PI. Welw. i. 799. 

 Stems erect, branched, rather wiry, up to 2 ft. high, terete or obscurely 

 quadrangular, densely greyish, pubescent or villous with long-spreading 

 gland-tipped hairs ; internodes rarely over \ in. long. Leaves numerous, 

 linear, subacute, attenuate at the base, entire or slightly repand, up to 

 over 2 in. long, 1-2 lin. broad, greyish, pubescent and more or less 

 covered with sessile glands, particularly below ; petioles very slender 

 up to 1 lin. long. Pedicels very short in flower, villous, 2-bracteolate ; 

 nectaries sessile or subsessile. Calyx 1^ lin. long, greyish-villous \ 

 segments lanceolate-linear. Corolla slightly obliquely campanulate,. 

 5-7 lin. long, finely pubescent ; lobes very small, lowest 2 lin. long. 

 Capsule ovoid-oblong, subtruncate and slightly emarginate, obtusely 

 quadrangular, 4-sulcate, 4-cornute at the base, 4 lin. long. Seeds 1 lin. 

 long, margins acute or narrowly winged, faces transversely or radially 

 rugose. 



Lower Guinea. Angola : Mossamedes ; by the River Bero, Welwitsch, 1643 I 

 between Huilla and Humpata, Johnston I 



4. S. mombanzense, Be Wild, et Burand in PI. Thornier. CongoL 

 3G, t. 14. Stems erect, branched, 1^ ft. high, sparsely and spreadingly 

 pubescent. Leaves lanceolate-oblong, acute, narrowed towards both ends,, 

 entire, 1-2 in. long, 3-9 lin. broad, slightly hairy above, Avhitish-hairy 



