M 



XC. CONVOLVULACE^E (BAKER AND RENDLE). [Falkid. 



above ground. Leaves petiolecl, orbicular or ovate, 3-6 lin. long, silky 

 when young, glabrescent when mature. Flowers solitary, axillary ; 

 pedicels 1^-2 lin. long. Calyx 2 lin. long ; tube turbinate ; lobes small, 

 deltoid. Corolla 4-6 lin. long, and broad. Filaments 8 lin. long. 

 Ovary densely pilose ; styles 4 lin. long. — F. abyssinica, Engl. Hochge- 

 birgsfl. Trop. Afr. 344 ; Hallier f. in Engl. Jahrb. xviii. 84 ; Capua in 

 Ann. Istit. Bot. Roma, viii. 219. F. oblonga, Hallier f. in Bull. Herb. 

 Boiss. vii. 41 in part, and Capua I.e. 



Wile Land. Eritrea : Asmara, Schioeinfurth Sf JRiva, 2096 ! Assaorta, Pappi, 

 3467; Hainasen, Terraciano Sf Pappi, 218; Ocule Cuzai, Pappi, 4390. Abyssinia: 

 mountains near Magdala, Steudner, 958 ! 



Also in South Africa. 



3. NEPHROPHYLLUM, A. Rich. ; Benth. et Hook. f. 

 Gen. PI. 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. Disc inconspicu- 

 ous. Ovary 1 -celled, 2-ovuled ; styles 2, simple, filiform ; stigmas 

 capitate. Fruit thrust beneath the soil by the elongating pedicel, 

 indehiscent, 1 -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. Fl. Abyss, ii. 77. 



Endemic. 



1. N. afoyssinicum, A. Rich. Tent. Fl. Abyss, ii. 77, t. 76. A 

 creeping tufted perennial herb, with very slender stems rooting from 

 the nodes. Leaves reniform, glabrous, 2^-5 lin. in diam. Petiole as 

 long as or longer than the blade ; bracteoles membranous, elliptic- 

 ovate, obtuse, f lin. long. Peduncle reaching an inch long in fruit. 

 Corolla 21- lin. long. Fruit about 1| lin. in diam., ellipsoid. — Engl. 

 Hochgebirgsfl. Trop. Afr. 345. Hygrocharis abyssinica, Hochst. ex A. 

 Rich. I.e. ; Hallier f. in Engl. Jahrb. xviii. 81. 



Wile 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. PI. 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 

 1 -celled, 4-ovuled ; 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, 



