Twiner. Leaves linear, auricled and hastate at base, 1-3 in. long. Peduncle 1-3 flowered, 1 in. long; cor. pale yellow, ab. ½ in. long. Caps. globose, ¼ in. diam. Kordofan Prov. (J. Kon, etc.); Bahr El Ghazal Prov. (Jur Ghattas); Bahr El Jebel (Shambé, Bahr El Ghazal Prov. to Mongalla, etc.). =M. pinnata= _Hallier f._ Trailing or twining annual, hairy all over. Leaves pinnately divided to the midrib, 1 in. long. Peduncles 1-3 flowered; bracts linear; cor. yellow or white, small. Caps. hairy, ¼ in. diam. Fung Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Bongo-land); Bahr El Jebel (Madi). =M. emarginata= _Hallier f._ Trailing herb with a long, woody root. Leaves orbicular or reniform, ½-1 in. broad. Fl. 1-2 axillary, sessile; cor. yellow with dark eye, small. Caps. globose, ¼ in. diam., glabrous. Kassala Prov. (Gedaref); Fung Prov.; Upper White Nile Prov. (Fashoda to Barboi); Mongalla Prov. (Nuer-land). =M. convolvulacea= _Dennst._ OWARIDA (Meshra El Zeraf)—Arab. Slender twiner. Leaves subcordate or 3-lobed, ½-1½ in. long. Fl. 1 to many, cymose; peduncle ¼-2 in. long; cor. yellow subcampanulate, ⅓ in. long; limb ½ in. diam. with 5 violet lines. Caps. ovoid-globose, ¼ in. diam. Fung, Kordofan, Upper White Nile, Bahr El Ghazal (Wau) & Mongalla Provinces. The Arabs at Meshra El Zeraf believe that if the barrel of a gun be held over the smoke of a fire made with the roots of this plant, it will in future shoot straight. 620 =Calonyction speciosum= _Choisy._ Moon-flower. Stout climber; stems smooth or with fleshy tubercles. Leaves cordate- ovate, long acuminate, 4-6 in. long; petiole about as long. Peduncle as long as petiole, 1-6 flowered; 3 outer sepals abruptly aristate, ab. ¾ in. long; cor. white, salver-shaped, opening at night; tube cylindric, 3-4 in. long; limb 4-6 in. diam. Caps. large, ovoid, 1 in. long; seeds dark brown. Kassala Prov. (Gallabat). =C. muricatum= _G. Don._ Wide-climbing twiner, stems with fleshy spine-like tubercles. Leaves cordate-ovate, acuminate, 4-5 in. long. Peduncle short or long, 1-6 flowered; pedicel much swollen in young fruit; cor. pale rose or lilac, opening at night; tube 2-2½ in. long, passing into a funnel-shaped limb, 2 in. diam.; cap. globose up to 1 in. diam; seeds 4, white (?or brown). Nuba Mts. Prov.; Bahr El Ghazal Prov. (Bongo-land). 621 =Astrochlæna lachnosperma= _Hallier f._ UM GHALEILA (Kordn.)—Arab. Erect perennial with stellate hairs (as others in this genus), hairs white. Leaves ovate or elliptic, 1½-3 in. long; petiole 1-2 in. long. Fl. solitary or umbellate; cor. purple and lilac, ¾ in. long, funnel- shaped. Caps. globose, ⅓ in. diam.; seeds 4, hairy. Kordofan Prov.; Darfur Prov. (Zalingei); Red Sea Prov. (near Akik). =A. Volkensii= _Dammer._ Herb, 1½-2½ ft. high. Leaves ovate, cordate or rounded at base, 1½-3½ in. long; petiole ½ in. long. Fl. axillary, cymose; cor. lilac with carmine centre; ab. 1½ in. long. Caps. globose; seeds 4, hairy.