Bahr El Ghazal Prov. (Niamniam-land); Bahr El Jebel (Madi). 473 =Oldenlandia grandiflora= _Hiern._ Herb, up to 4 ft. high. Flowers crimson, mostly tetramerous in this genus, corymbose; cor. salver-shaped. Fruit subglobose, crowned with calyx teeth. Leaves opposite, upper sometimes needle-shaped, lower narrow-lanceolate; stipules sheathing, short, 2-3 pointed. Kassala Prov. (Gallabat); Fung Prov. (Fazoghli & Jongol’s Post); Kordofan Prov. (Obeid & Um Sutt); Nuba Mts. Prov. (Dilling); Darfur Prov. (Kulme). =O. senegalensis= _Hiern._ Herb, up to 3 ft. high. Flowers white or pink, paniculately cymose; cor. salver-shaped, tube slender, glabrous. Leaves narrow-lanceolate. Fruit as above. Kassala Prov. (Gallabat); Red Sea Prov. (Soturba); Khartoum Prov.; Fung Prov. (Fazoghli); Kordofan Prov. (Obeid); Mongalla Prov. (Bari-country). =O. Schimperi= _T. Anders._ Annual, 1-3 ft. high, glandular-scabrous; branches virgate. Leaves linear; stipules 1-3 pointed. Flowers in terminal corymbose cymes; cor. salver-shaped, tube much longer than calyx. Capsule subglobose. Red Sea Prov.; Khartoum Prov.; White Nile Prov. (J. Arashkol). =O. virgata= _DC._ Switch-like herb, 2 in. to 2 ft. high. Leaves linear, curled margins; stipules with 2-3 bristly points. Flowers panicled; cor. cylindrical or salver-shape. Fruit sub-globose. Kordofan Prov. (Tueir); Bahr El Ghazal & Mongalla Provinces. =O. Welwitschii= _Hiern._ Small herb with white tubular, cruciform flowers. Red Sea Prov. (Erkowit & Dongonab). =O. strumosa= _Hiern._ Herb, up to 18 in. high. Leaves linear-lanceolate. Cymes corymbose, terminal; cor. salver-shaped, tube much longer than calyx. Fruit subglobose. Blue Nile Prov. (Upper); Kordofan Prov. =O. lancifolia= _Schwfth._ Herb with linear-lanceolate leaves. Flowers small, axillary, solitary; cor. not longer than calyx. Capsule furrowed, compressed-globose. Blue Nile Prov. (near Lakanda); Fung Prov. (Jongol’s Post); Bahr El Jebel (Madi); Bahr El Ghazal Prov. (Niamniam-land). =O. macrophylla= _DC._ Aquatic or marsh herb. Leaves sessile, linear-lanceolate, up to 3 in. long. Flowers white or pale blue, pentamerous, in racemose or panicled cymes. Capsule minute. Blue Nile Prov.; White Nile Prov.; Bahr El Ghazal Prov. (Niamniam-land); Mongalla Prov. (Bor). =O. trinervia= _Retz._ Weak, slightly hairy annual. Leaves broadly ovate or rotundate, tapering to 3-nerved base. Flowers in small clusters on short peduncles, tetramerous; cor. length of the calyx. Capsule hirsute, globose. Bahr El Ghazal Prov. (Jur Ghattas). =O. corymbosa= _Linn._ Erect or ascending annual, up to 1 ft. high. Leaves sessile, linear, or apiculate. Stipules short, pectinate. Flowers usually in pairs, on filiform peduncles. Corolla white. Bahr El Ghazal Prov. (Jur & Bongo lands, Shambé); Mongalla Prov. (Bor). A decoction of the root is used in bilious fevers. =O. octodon= _A. Rich._