Herb, up to 1 ft. high. Leaves opp. below, alt. above, linear to lanceolate, hastate, ½-1 in. long. Peduncles axillary, ab. 1 in. long; calyx 5-partite, small; cor. yellow, ¼ in. long, 2-lipped, with small spur; st. 4, didynamous, woolly; stigma emarginate; caps. ovoid, minute. Red Sea Prov. (Hakeko, Port Sudan District). =L. Bentii= _Skan._ Densely glandular pubescent undershrub, ab. 1 ft. high. Leaves subopp. below, alt. above, ovate to triangular, cordate, ⅓ in. long. Fl. axillary, solitary, subsessile; cor. 2-lobed, spurred, ab. ½ in. long. Caps. globose-ovoid, minute. Red Sea Prov. (21° N.L.). =L. nubica= _Skan._ Glandular-pubescent, subscandent annual. Leaves opp. below, alt. above, triangular to ovate, broadly cordate, ab. 1 in. long. Fl. axillary, solitary; cor. 2-lobed and spurred, under ½ in. long, hairy. Caps. ovoid, pubescent, small. Red Sea Prov. (21° N.L., sea-coast to between 3,000 & 4,000 ft.). =L. ægyptiaca= _Dum._ Low, bushy shrublet, covered with gland-tipped hairs. Leaves ovate or ovate-lanceolate, acute, ¼ in. long. Flowers axillary, solitary, yellowish; pedicels ½ in. long. Kassala Prov. (Gallabat, Gendua River); Darfur Prov. (J. Marra 9,500 ft.). =L. sagittata= _Hook. f._ Subscandent or procumbent perennial. Leaves linear to lanceolate, sagittate or hastate or cuneate, ¼-2 in. long. Fl. axillary; peduncles ¼-½ in. long; cor. yellow, pilose outside, bilobed, ¾ in. long, spur ½ in. long; filaments densely pilose. Caps. globose, minute. Red Sea Prov. (J. Waratab, Wadi Omareg, between Suakin & Erkowit, Dongonab). 634 =Schweinfurthia pterosperma= _A. Braun._ Herb, 6-9 in. high. Leaves alt., elliptic-spathulate to lin.-oblong, up to 1 in. long. Fl. solitary; calyx small, 5-partite; cor. ¼ in. long, gibbous at base, 2-lipped, white, pink at throat. Caps. subglobose, ¼ in. diam.; seeds with 6 subwinged ridges. Red Sea Prov. (Suakin & coast region, J. Waratab); Between Suakin & Berber. 635 =Scrophularia arguta= _Ait._ Branched, glandular-pubescent herb, up to 2 ft. high. Leaves broadly ovate, subcordate, irregularly dentate, up to 3 in. long; petiole ½-1 in. long. Fl. in terminal cymose panicles; calyx 5-fid, minute; cor. ventricose, 5-lobed, 1 lobe larger, hardly exceeding calyx, deep-red. Caps. ovoid, beaked. Red Sea Prov. (Erkowit, Khor Tamanib, & 21° N.L.). 636 =Antirrhinum Orontium= _Linn._ Glandular hairy herb, up to 2 ft. high. Lower leaves opp., upper alt., linear to lanceolate, 1-2 in. long. Fl. solitary in upper axils of leaves; calyx 5-partite; cor. 2-lipped, rose with purple veins, ¼-¾ in. long, tube gibbous. Caps. obliquely ovoid, up to ½ in. long, hispidly hairy. Red Sea Prov. (21° N.L. and other places); Darfur Prov. (J. Marra: Niurnya, 6,500 ft.). 637 =Sutera glandulosa= _Roth._