Hyalocystis.] XC. CONVOLVULACEH (BAKER AND RENDLE). 115 
towards their insertion, and ciliated with glandular hairs. Disc low, 
ring-like. Ovary ovoid, 1-celled, 4-ovuled; style undivided, filiform ; 
stigmas 2, spherical. Capsule spherical, indehiscent ; pericarp thin- 
walled, transparent ; seed solitary, spherical—aA prostrate, sticky herb, 
with stalked shortly palmati-lobed leaves. Peduncles axillary, 1-3 
flowered. 
Endemic and monotypic. 
Not seen. Very near Merremia, the distinguishing feature being the indehis- 
cent one-seeded capsule. 
1. H. viscosa, Hallier f. l.c. 228. A prostrate herb, densely 
covered, especially on the branches, leaf-stalks, peduncles, sepals and 
young shoots, with glandular sticky hairs ; branches elongated, up to 
1} ft. long, $ to 1 lin. thick, almost simple. Leaves reniform-sub- 
orbicular in outline, reaching about 1 in. long and broad; lobes very 
short, rounded, spinous-dentate on both surfaces on the excurrent 
nerves ; the young leaves puberulous, the adult glabrescent, except on 
the nerves which are yellowish glandular-pubescent beneath, palmately 
5-7-nerved ; petiole up to 5 lin. long. Peduncle shorter than the 
petiole, sparsely hirsute with spreading hairs, like the bracts, minute 
linear bracteoles and sepals; pedicels scarcely exceeding 1 lin. long. 
Sepals ovate-lanceolate, acute, pale green, 4 lin. long, the 2 outer 
serrate, the inner smaller, shorter, entire. Corolla 1 in. long and 
about 9 lin. broad, spreading suddenly from a very short narrow tube, 
pale dull violet, hirsute with grey spreading hairs. Stamens unequal ; 
anthers linear-sagittate. Ovary and lower part of style densely hairy. 
Capsule about 3 lin. in diam., pubescent. Seed black, opaque, laxly 
grey pilosulose. 
Wile Land. Somaliland: Robecchi-Bricchetti, 339. 
21. LEPISTEMON, Blume; Benth. et Hook. f. Gen. Pl. ii. 873. 
Sepals 5, ovate, subequal. Corolla suburceolate, the broad tube 
narrowing upwards ; limb small, spreading, shortly 5-lobed. Stamens 
inserted low down in the corolla-tube ; filaments short, filiform, spring- 
ing from the back of five ovate scales, which arch over the ovary ; 
anthers linear-oblong. Dise cupular, truncate. Ovary 2-celled, 4- 
ovuled; style short, subulate; stigma capitate, 2-lobed. Capsule 
4-valved. Seeds glabrous.—-Climbing herbs. Leaves broad, entire or 
lobed. Flowers small, in sessile or peduncled axillary cymes. 
Species 5, extending through Tropical Asia to New Guinea and North 
Australia. 
1. L. africanum, Oliver in Hook. Ic. Pl.t.1270. Stems wide-climb- 
ing, clothed with long spreading pale brown stinging hairs. nate 
cordate-ovate, membranous, acute to obtuse, 2-6 in. long and broad, 
green and more or less hairy on both surfaces, usually irregularly 
Sinuate, with deltoid lobes ; petiole long, deciduously hairy like the stem. 
