120 xc. convolvulaceje (baker and rendle). [Astrochlaina. 



IVIozamb. Dist. British Central Africa : Nganiiland; Kwebe Hills,- Mrs. 

 Lugard, 91 ! 



2. A. solanacea, Ilcdlier f. in Engl. Jahrb. xviii. 121. Stem 

 erect, simple, like the rest of the plant floccose with short stellate 

 pubescence. Leaves distinctly petioled, rhomboid, up to 3 in. long, 

 more than half as broad, entire in the lower half, pandurately lobed 

 above the middle, apex rounded, suggesting Solanum nigrum in form ; 

 petiole about 9 lin. long. Flowers about 6 together in crowded 

 subumbellate cymes; peduncle reaching to the middle of the leaf- 

 blade ; pedicels short, about 3 lin. long ; bracts small, linear. Sepals 

 narrowly lanceolate, acute, the outer about 4 lin. long, tomentose on 

 the back. Corolla small, about 7 lin. long, glabrous, pale rose-colour. 

 Capsule glabrous, 4-valved, 2-celled, 4-seeded. Seeds black, covered 

 with a fine shining velvet. 



IVIozamb. Dist. German East Africa : Karagvve ; Bukoba, Stuhlmann, 

 3793. 



South Central. Congo Free State : Mtowa, by Lake Tanganyika, Descamps. 



3. A. Volkensii, Dammer in Engl. Pfl. Ost-Afr. C. 331. Stem 

 erect, li _ 2i ft. long, tomentose with stellate hairs. Leaves cordate- 

 ovate [or base sometimes entire], mucronate, l'| in. long, 1^ in. broad, 

 [sometimes reaching 3i by 3 in.], clothed with stellate hairs on both 

 surfaces, densely so beneath ; petiole h in. long. Flowers in few- 

 flowered axillary cymes ; peduncles generally from f-li in. long, like 

 the pedicels and calyx stellately tomentose ; pedicels A lin. long [reflexecl 

 in the fruit]. Sepals ovate-lanceolate, 3-4 lin. long. Corolla funnel- 

 shaped, violet, with purple throat, lj in. long. Stamens unequal. 

 Stigmas oblong. [Capsule globose, pale brown, i lin. in diam. ; 

 pericarp brittle ; seeds 4, blackish, very shortly pubescent]. 



Tfile Land. Eritrea: Ginda Valley, 3000 ft., Schwewfurth Sf Siva, 2237! 

 Soudan: Khor-neweh-Chak-Chak, Broun! Jur: Kurshook k\\, Schioeinfurth, in, 

 4! Uganda: South-west of Lake Rudolph, Weill y ! 



IVIozamb. Dist. German East Africa : Kilimanjaro ; Marangu, 3500- 

 4000 ft., Volhens, 2120. 



I have not seen an authenticated specimen of this species, and make the above 

 determinations with some hesitation. The parts enclosed in [ ] in the description 

 refer to the added determinations. — A. B. B. 



4. A. involuta, Rendle in Journ. Bot. 1901, 59. An undershrub, 

 with rigid flattened laxly leafy branches, the whole plant clothed 

 with dense whitish stellate pubescence. Leaves shortly petioled, 

 cordate-ovate, up to 1^ in. long, 9 lin. broad, densely stellate-pubescent 

 on both surfaces, veins raised on the lower surface ; petiole less than 

 6 lin. long. Flowers in shortly peduncled axillary 2-3-flowered cymes ; 

 peduncles about 1 in. long or less ; bracts minute, ovate, caducous ; pedi- 

 cels up to 6 lin. long. Sepals unequal ; the two outer elliptic, obtuse, 

 4 lin. long by 3 lin. broad, stellate-pubescent and prominently pinnately 

 veined on the back, glabrous and green on the inside ; inner shorter 



