Tomentose and glandular-hairy herb. Leaves elliptic, up to 3 in. long. Fl. in axillary compact bracteate racemes 1-8 flowered; bracts and sepals ab. ½ in. long, spine-toothed; cor. pale-blue, ¾ in. long, lobes. Caps. ½ in. long, seeds 4, hygroscopic. Nuba Mts. Prov. (Kadugli). =B. parviflora= _R. Br._ Unarmed shrubby herb with appressed white hairs. Leaves elliptic-ovate, up to 1¼ in. long, sessile. Cymes lax, 1-3 flowered; bracts ⅓ in. long, broad lanceolate; 2 outer calyx segments ¼ in. long; cor. ⅔ in. long. Caps. ⅓ in. long, pubescent, beaked; seeds 2, hygroscopic. Red Sea Prov. (Erkowit). =B. eranthemoides= _R. Br._ Spiny and bushy plant, not unlike _B. Prionitis_, but cor. tube 1 in. long, linear to top; lobes 5, yellow, sub-equal, ⅓-½ in. long, not 2-lipped. Bahr El Ghazal Prov. =B. Hochstetteri= _Nees._ Unarmed undershrub, with minute rough hairs. Leaves elliptic, ab. 1¾ in. long; pet. short. Cymes few-flowered, lax; 2 outer calyx segments, nearly ½ in. long, ovate; cor. tube ½ in. long, lobes ⅓-½ in. Caps. nearly ½ in. long; seeds 2, hygroscopic. Between Suakin & Berber (Wadi Omareg); White Nile Prov. (J. Arashkol); Kordofan Prov.; Darfur Prov. (J. Sungur). =B. calophylla= _Lindau._ Unarmed herb, up to 1½ ft. high. Leaves oblong, up to 4 in. long, sessile, rounded or cordate. Infl. in 1-3 flowered axillary racemes, crowded at top into an oblong head; bracts ⅔ in. long; calyx segments varying from 1 to 1½ in. long; cor. white or pinkish, tube 1½ in. long, lobes 1¼ in. long. Caps. ¾ in; seeds 4. Bahr El Ghazal Prov. (Niamniam-land: Gumba & Bongo-land: Addai). =B. ventricosa= _Nees._ Scrambling, spiny herb or undershr., 3-6 ft. high. Leaves strigose with tawny hairs, up to 2 in. long, yellowish-green. Fl. in axillary cymes forming a less dense head than above; bracts ½ in. long; sepals 5, postichous one quadrate-oblong, ½ in. long; cor. ½ in. long, blue or purple, funnel-shaped; lobes 5. Caps. ½ in. long, ellipsoid; seeds 2. Nuba Mts. Prov. (Khor Mashisha near Dilling). =B. Grantii= _Oliv._ Scrambling herb or undershr. Leaves ovate, 2 in. long, hairy, dark green. Cymes 1-2 flowered, axillary and running into terminal spikes; bracts ¾ in. long, linear; postichous sepal ¾ in. long, ovate; cor. deep purple; tube ⅔ in., long, inflated, lobes ⅔ in. long. Caps. ½ in. long; seeds 2. Bahr El Ghazal Prov. (Shambe). 679 =Neuracanthus niveus= _S. Moore._ Undershrub. Leaves broadly elliptic, up to 4 in. long, white stellate- tomentose beneath. Fl. in axillary sessile ovoid heads, white-hairy; bracts ½ in. long; calyx 2-partite, antichous segment 2-fid, postichous 3-fid; cor. ⅔ in. long, funnel-shaped, lobes 5, triangular. Caps. ovoid, beaked, small. Seeds 2-4 hygroscopic. Bahr El Ghazal Prov. (Jur Ghattas). 680 =Crossandra nilotica= _Oliv._