Dwarf herb, ab. 1½ in. high. Leaves elliptic to lanceolate, ¾-1 in. long, lower in a rosette, cauline opposite. Fl. minute, white, 4-merous, in dense terminal or axillary clusters. Capsule small, subglobose. Bahr El Ghazal Prov. (Bongo-land: Gir). 588 =Enicostema littorale= _Blume._ Herb, 4-8 in. high. Leaves opp., linear or lanceolate, ¾-3 in. long, sessile. Fl. in axillary clusters along the stem, minute, 5-merous. Nuba Mts. Prov. (towards Takale). Possesses much bitterness and is used as a stomachic. It is also tonic and laxative. 589 =Canscora decussata= _Roem._ & _Schultes._ Erect herb with 4-winged stem. Leaves opp., lanceolate, ½ in. long. Cymes lax, terminal; cor. white or pale pink, small, lobes 4; stamens 4, 1 perfect. Capsule ¼-in. long. Bahr El Ghazal Prov. (Bongo-land). The plant is a laxative and alterative, much praised as a nervine tonic. =C. diffusa= _R. Br._ Erect herb with 4-angled stems, ½-2 ft. high, less robust than above. Leaves opp.; upper ovate, acute, short, lower narrowed to base, ⅓-1½ in. long. Fl. numerous, in a lax, cymose panicle; cor. pink, small; st. unequal. Capsule small. Nubia; Bahr El Ghazal Prov. (Mittu-land: Kuddu). 590 =Neurotheca loeselioides= _Oliv._ Small annual with 4-angled stem. Leaves opp., lower lanceolate or ovate- lanceolate, ⅓-¾ in. long, upper linear to lanceolate, shorter. Fl. solitary, rarely 2, in each axil; calyx 8-ribbed, ⅙ in.; cor. pale blue, ab. ¼ in. long; lobes 4, short; st. 4, unequal. Capsules small. Bahr El Jebel (Madi). 591 =Limnanthemum niloticum= _Kotschy_ & _Peyr._ Aquatic herb; stems erect or runner-like with alt. or sub-opp. leaves or resembling petioles (false petioles). Leaves orbicular with a deep sinus at base, 1-4 in. diam.; false petiole bearing a cluster of 4-8 fl. a little below the leafblade; cor. yellow; tube with 5 tufts of hair at the middle, lobes long ciliate. Fr. subglobose, 7-10 seeded. White Nile Prov. (near Abba Island); Bahr El Ghazal Prov. (Bongo-land, Jur-land, etc.). 592 =Swertia cf. S. abyssinica= _Hochst._ Darfur Prov. (J. Marra, 9,000 ft.). =PRIMULACEÆ.= 593 =Anagallis arvensis= _Linn._ SABUNGHEYT, AIN EL JENEL & LUBBUN—Arab. The Common Pimpernel. Diffuse glabrous herb. Leaves opposite, sessile, ovate or elliptic- lanceolate. Fl. solitary, axillary, red, rose or blue, 5-merous; capsule globose, splitting transversely round the middle. Nubia; Red Sea Prov. (Khors Gwob & Tamanib, Erkowit & Has Has); Fung Prov. The plant is used in cerebral affections, leprosy, hydrophobia, dropsy, etc. Said to be poisonous to dogs. 594 =Samolus Valerandi= _Linn._ Glabrous herb, up to 3 ft. high, with radical and cauline obovate leaves. Fl. in terminal and axillary panicles, small, white, 5-merous; stamens nearly sessile in cor. tube; capsule 5-valved. Red Sea Prov. (Erkowit). =PLUMBAGINACEÆ.= 595 =Statice axillaris= _Forsk._ Sea Lavender.