120 XC. CONVOLVULACEE (BAKER AND RENDLE).  [ Astrochlena. 
Mozamb. Dist. British Central Africa: Ngamiland; Kwebe Hills, rs, 
Lugard, 91! 
2. A. solanacea, Hallier 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. 
saat Dist. German East Africa: Karagwe ; Bukoba, Stuhlmann, 
d . 
South Central. Congo Free State: Mtowa, by Lake Tanganyika, Descamps. 
3. A. Volkensii, Dammer in Engl. Pfl. Ost-Afr. C. 331, Stem 
erect, 14-24 ft. long, tomentose with stellate hairs. Leaves cordate- 
ovate [or base sometimes entire], mucronate, 1} in. long, 1} in. broad, 
[sometimes reaching 3} by 3 in.], clothed with stellate hairs on both 
surfaces, densely so beneath; petiole $ in. long. Flowers in few- 
flowered axillary cymes ; peduncles generally from 3-1} in. long, like 
the pedicels and calyx stellately tomentose ; pedicels 4 lin. long [reflexed 
in the fruit]. Sepals ovate-lanceolate, 3-4 lin. long. Corolla funnel- 
shaped, violet, with purple throat, 14 in. long. Stamens unequal. 
Stigmas oblong. [Capsule globose, pale brown, 4 lin. in diam.; 
pericarp brittle ; seeds 4, blackish, very shortly pubescent]. 
Nile Land. Eritrea: Ginda Valley, 3000 ft., Schweinfurth & Riva, 2237! 
Soudan: Khor-neweh-Chak-Chak, Broun! Jur: Kurshook Ali, Schweinfurth, iil, 
4! Uganda: South-west of Lake Rudolph, Wellby ! 
Mozamb. Dist. German East Africa: Kilimanjaro; Marangu, 3500- 
4000 ft., Volkens, 2120. 
I have not seen an authenticated specimen of this species, and make the above 
determinations with some hesitation. The parts enclosed in [ J] in the description 
refer to the added determinations.—A. B. R. 
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. Jong. Sepals unequal ; the two outer elliptic, obtuse, 
4 lin. long by 3 lin. broad, stellate-pubescent and prominently pinuately 
veined on the back, glabrous and green on the inside; inner-shorter 
