270 xcn. scrophulariace.e (hemsley and skan). [Ayrtosimum' 



axillary very shortly pedunculate. Bracts 2h lin. long, lanceolate or 

 linear, acute. Calyx shortly and densely glandular-pubescent : tube 

 campanulate, about i- in. long, almost transparent, slightly inflated in 

 the middle, gradually narrowed to the base, prominently 5-nerved ; 

 teeth as long as or slightly shorter than the tube, ovate- to triangular- 

 lanceolate, shortly acuminate, unequal, green. Corolla blue, f in. long, 

 minutely glandular-pubescent ; lobes broadly obovate, subequal. 

 Stamens all fertile ; anthers sparingly hairy. Style rather longer than 

 the corolla-tube, glandular-pubescent on the lower half. Capsule 

 glabrous except at the compressed pilose apex. 



Lower Guinea. German South-west Africa : Hereroland, Outyo, Rautanen, 

 247! 



5. A. scaberrimum, Schinz in Verh. Bot. Ver. Brandenb. xxxi. 

 185. An undershrub about 4 in. high; branches densely leafy and 

 clothed with short stiffhairs. Leaves up to 1^ in. long, J-l lin. broad, 

 linear-lanceolate, very scabrid, with bristles directed forwards ; midrib 

 persistent and spinescent. Flowers sessile or shortly stalked, in 

 o-flowered clichasia. Bracts linear. Calyx everywhere glandular- 

 hairy ; tube 2^-oi- lin. long ; teeth li-2|lin. long, lanceolate, distinctly 

 ciliate. Corolla about f in. long, sparsely glandular-hairy outside; 

 lobes rounded, more or less unequal. Anthers hispidly ciliate. Style 

 as long as the corolla-tube. Capsule 2\ lin. long, 2J-3 lin. broad, 

 shortly hairy. Seeds tuberculate.- — Hiern in Dyer, Fl. Cap. iv. ii. 128. 



Lower Guinea. North of Great Nainaqualand, Belch, 60. 

 Also in South Africa. 



6. A. Gossweileri, Shan. A robust densely glandular-pilose 

 undershrub with long procumbent many-branched stems, branches up to 

 a foot long or more, terete, about f- lin. in diam. ; internodes ^-f in. 

 long. Leaves alternate or rarely subopposite, sessile or subsessile, 

 lanceolate, §-1 in. long, \-\ in. broad, acute or sometimes obtuse, 

 gradually narrowed to the apex, narrowly cuneate at the base, thick, 

 soft, fleshy ; midrib scarcely visible except at the base, persistent as a 

 straight stout spine. Flowers axillary, usually 2 together, almost 

 sessile, as long as or slightly shorter than the leaves. Bracts linear, 

 2h lin. long, thick. Calyx |- in. long, divided almost to the base ; seg- 

 ments linear, nearly h lin. broad, acute, densely covered with glandular 

 mostly long hairs. Corolla glandular-pubescent outside; tube 7 i lin. 

 long ; narrowed basal part about 2^ lin. long ; lobes suborbicular or 

 broadly obovate, If- 2 lin. long, 1^ lin. broad, very prominently veined. 

 Anthers ciliate. Style as long as the corolla-tube. 



Lower Guinea. Angola : Mossatnedes ; ravines and dry river beds of the 

 Londy Hills, near the fazenda " Boa Vista," Gosstveiler, 61 ! 



7. A. arenarium, Engl, in Engl. Jahrb. x. 250. A glandular- 

 pubescent undershrub a few inches to 1^ ft. high. Branches ascending 

 about lj lin. in diam. rather densely leafy above, leafless and spinescent 

 below ; spines about h in. long, usually straight. Leaves sessile, 



