7/2 ADDENDA. 
stellate-pilose. Corolla 4-partite, white ; lobes ovate-lanceolate, 34 lin. 
long, 1} lin. wide. Stamens 4; filaments scarcely } lin. long; anthers 
2} lin. long, $ lin. wide, with 2 apical pores. Ovary conical, scarcely 
+ lin. long; style straight, 34 lin. long. 
Nile Land. Somaliland: frontier of Arussi-Galla, at Darassuma, 3000 ft., 
Ellenbeck, 2024. 
20a. S. withaniifolium, Dammer in Engl. Jahrb. xxxviii. 58. 
An unarmed shrub 3-6 ft. high, Branches very minutely stellate- 
pilose. Leaves lanceolate or ovate, obtuse, 2—3 in. long, 1-13 in. wide, 
very minutely stellate-pilose ; petiole about 1 in. long. Cymes terminal 
or extra-axillary, many-flowered ; peduncles ? in. long, densely stellate- 
hairy ; pedicels } in. long, slender, nearly glabrous. Calyx campanulate, 
1} lin. in diam., 5-fid, sparingly and very minutely stellate-hairy; lobes 
rotundate, acuminate, 1} lin. long, 1 lin. wide. Corolla blue, scarcely 
plicate ; lobes 5, long lanceolate, 4 in. long, 4 in. wide, very minutely 
stellate-pilose outside towards the apex. Stamens 5; filaments very 
short; anthers unequal, four 24 lin. long, one 44 lin. long, curved. 
Ovary globose, } lin, in diam., nearly glabrous; style curved, glabrous, 
pees near the apex, 4 in. long ; stigma capitate. Berry 5 lin. in 
iam. 
Nile Land. Somaliland: Dadab, in dried up river beds, Ellenbeck, 166. 
o2a. S. Ellenbeckii, Dammer in Engl. Jahrb. xxxviii. 58. A 
small, very spiny herb. Branches sparingly stellate hairy, densely 
covered with straight straw-coloured very slightly laterally compressed 
spines }-} in. long. Leaves ovate or broadly lanceolate, sinuate, 2-3 in. 
long, 1-2 in. wide, scabrid with stellate hairs on both surfaces, bearing 
straight straw-coloured spines 3—5 lin. long on the nerves; petiole } in. 
long, stellately hairy and spiny. Cymes terminal ; peduncle about | in. 
long, as well as the pedicels and calyx stellately hairy and spiny; 
pedicels about 4 in. long. Calyx 5-fid, angular; lobes 1 lin. long. Corolla 
rotate, plicate, lilac, 4 in. in diam. ; lobes + in. long, } in. wide, stellately 
hairy outside. Stamens 5; filaments 1 lin. long ; anthers oval, about 
1} lin. long, pores terminal. Ovary globose, } lin. in diam., densely 
stellate hairy ; style sigmoid, 1 in. long, thickened towards the apex, 
stellately hairy below; stigma capitate. 
Nile Land. Somaliland : amongst rocks at Hensa, 1300 ft., Ellenbeck, 247- 
o/a. S. longestamineum, Dammer in Engl. Jahrb. xxxviii. 58. 
A spiny climbing shrub. Branches slender, elongate, when young 
stellately hairy ; spines recurved from a broad base, laterally compressed, 
about 1 lin. long. Leaves lanceolate, ovate or oblong, entire or 
slightly sinuate, acuminate, stellately pilose on both surfaces, sometimes 
spiny on the under side of the nerves; petiole up to } in. long, stel- 
lately hairy and spiny. Cymes few-flowered, extra-axillary ; peduncle 
about 4 in. long, usually spiny, like the pedicels; calyx and corolla 
stellately hairy; pedicels about 4 in. long. Calyx 5-partite ; lobes 
obovate, long acuminate, } in. long, } in. wide. Corolla lilac, scarcely 
