66 XC. CONVOLVULACEE (BAKER AND RENDLE). [ Falkia. 
above ground. Leaves petioled, orbicular or ovate, 3-6 lin. long, silky 
when young, glabrescent when mature. Flowers solitary, axillary ; 
pedicels 14-2 lin. long. Calyx 2 lin. long; tube turbinate ; lobes small, 
deltoid. Corolla 4-6 lin. long. and broad. Filaments 3 lin. long. 
Ovary densely pilose ; styles 4 lin. long.—F. abyssinica, Eng]. Hochge- 
birgsfl. Trop. Afr. 344; Hallier f. in Engl. J ahrb, xviii. 84; Capua in 
Ann. Istit. Bot. Roma, viii. 219. F. oblonga, Hallier f. in Bull. Herb. 
Boiss. vii. 41 in part, and Capua l.c. 
Wile Land. Eritrea: Asmara, Schweinfurth & Riva, 2096! Assaorta, Pappi, 
3467; Hamasen, Terraciano § Pappt, 218; Oculé Cuzai, Pappi,4390, Abyssinia : 
mountains near Magdala, Stewdner, 958 ! 
Also in South Africa. 
3. NEPHROPHYLLUM, A. Rich.; Benth. et Hook. f. 
Gen. Pl. ii. 876. ; 
Calyx membranous, nearly obsolete. Corolla funnel-shaped, 5- 
angled, obscurely lobed. Stamens unequal, inserted low down in the 
corolla-tube ; filaments filiform; anthers oblong. Dise inconspicu- 
ous. Ovary l-celled, 2-ovuled; styles 2, simple, filiform; stigmas 
capitate. Fruit thrust beneath the soil by the elongating pedicel, 
indehiscent, l-seeded. Seed subglobose, glabrous; cotyledons very 
narrow.—A perennial herb, with the habit of Dichondra. Leaves 
small, petioled, reniform. Flowers solitary, sessile in the axils of the 
leaves.— Hygrocharis, Hochst. ex A. Rich. Tent. F]. Abyss. ii. 77. 
Endemic. 
1. N. abyssinicum, 4. Rich. Tent. Fl. Abyss. ii. 77, t. 76. A 
creeping tufted perennial herb, with very slender stems rooting from 
the nodes. Leaves reniform, glabrous, 24-5 lin. in diam. Petiole as 
long as or longer than the blade; bracteoles membranous, elliptic- 
ovate, obtuse, } lin. long. Peduncle reaching an inch long in fruit. 
Corolla 24 lin. long. Fruit about 14 lin. in diam., ellipsoid.—Engl. 
Hochgebirgsfl. Trop. Afr. 345. Hygrocharis abyssinica, Hochst. ex A- 
Rich. l.c. ; Hallier f. in Engl. Jahrb. xviii. 81. 
Nile Land. Abyssinia: mountain meadow near Enjedcap, Schimper, 572! 
near Jelajeranne, Schimper, 1701! Debra Tabor, 8500 ft., Schimper, 1142! near 
Adowa, Dillon. 
4, EVOLVULUS, Linn.; Benth. et Hook. f. Gen. Pl. ii. 875. 
Sepals subequal, acute or obtuse. Corolla blue or white, funnel- 
shaped or subrotate; limb 5-angled, sometimes 5-lobed. Stamens 
inserted about the middle of the corolla-tube; filaments filiform, 
glabrous; anthers oblong; pollen spherical. Ovary 2-celled, rarely 
l-celled, 4-ovnled; styles 2, distinct from the base, forked; stigmas 
long, subterete. Capsule, subglobose, 2—4-valved, 1-2-celled. Seeds 
2-4, glabrous; cotyledons nearly flat.—Annual or perennial herbs, 
