628 =Cressa cretica= _Linn._ EL HĀD (N. Kordn.), NADAWE, ABU HOSABA, MULLEY, SEBAKH & NU’EM—Arab. Low, shrubby perennial. Leaves ovate to lanceolate, ⅙ to ¼ in. long. Fl. in dense bracteate spikes at end of branchlets; calyx hairy, minute; cor. ab. ¼ in. long; styles 2, free. Caps. ovoid, minute, 1-seeded. Red Sea Prov. (near Suakin); Kordofan (Shersha, on salt pans). The plant is used as a tonic. 629 =Cuscuta planiflora= _Ten._ Dodder. Leafless parasitic twiner with pink stems; germinates in the ground, but later sustains itself entirely on the juices of its host. Fl. in dense globose sessile clusters; fl. pentamerous pale-pink or whitish, globose- urceolate, very minute. Red Sea Prov. (coast to between 3,000 & 4,000 ft., Suakin 21° N.L.); Darfur Prov. (J. Marra, high altitudes). =C. arabica= _Fres._ Differs by smaller flower-clusters. Red Sea Prov. (21° N.L.); Blue Nile Prov. (Kamlin). =C. obtusiflora var. cordofana= _Engelm._ Stems stouter, bright yellow. Kordofan Prov. =C. hyalina= _Roth._ Stems slender, almost translucent. Fl. minute, stalked, cymose. Red Sea Prov. (Suakin); Kordofan Prov. =SCROPHULARIACEÆ.= 630 =Aptosimum pumilum= _Benth._ Dwarf tufted herb. Leaves usually alt., linear, 1-3 in. long, scabrid- pubescent. Fl. solitary or several axillary; cor. white outside and blue inside, 5-lobed; st. didynamous. Caps. globose, emarginate, compressed at apex. Nuba Mts. Prov. (J. Kon); Darfur Prov. (48-80 m. N.E. of El Fasher). 631 =Anticharis arabica= _Endl._ Glandular-pubescent annual, 1 ft. high. Leaves alt., oblong-lanceolate to lin.-lanceolate, up to 1¼ in. long. Fl. axillary, solitary; cor. pink, viscid, ¼ in. long, lobes 5, subequal; st. 2, 1-celled. Caps. narrowly ovoid, beaked, ¼ in. long. Red Sea Prov. (Suakin J. Waratab, Soturba); between Suakin & Berber (Wadi Omareg). =A. linearis= _Hochst._ NIDEIĀNA (N. Kordn.)—Arab. Erect glandular-pubescent annual, up to 1 ft. high. Leaves sessile, linear, up to 2 in. long. Fl. solitary on ½ in. long axillary peduncle with 2 bracts above middle; calyx deeply 5-cleft; cor. white, under ½ in. long; lobes 5, subequal; st. 2, anther-lobes basally acuminate; stigma bifid. Caps. ⅓ in. long, beaked or acuminate. North Sudan (coast region, between Suakin & Berber); Banks of the Nile north of Khartoum; Between Goz Regeb & Kassala; Khartoum Prov. (J. Royan); Blue Nile Prov. (Rufaa); White Nile Prov. (J. Arashkol); Kordofan Prov. (El Obeid, Bara); Darfur Prov. 632 =Verbascum Ternacha= _Hochst._ Mullein. Tall herb with dense white or yellowish woolly tomentum. Lower leaves oval or oblong, crenate or serrate; petiole 1-2 in. long; upper leaves smaller subamplexicaul. Panicles 18 in. long, branches 6-12 in. long, spreading; fl. clustered along the branches, 5-merous, rotate; cor. yellow, ¾ in. diam.; filaments bearded. Caps. ovoid, ¼ in. long. Dongola, Red Sea & Darfur Provinces. 633 =Linaria hastata= _R. Br._