Perennial herb giving out long runners from axils of leaves on root- stock. Leaves from root-stock or 1 or 2 together from nodes of runners, reniform, shallowly crenate. Flowers subsessile, usually 3 together at end of short erect peduncles, pink. Peduncles 1-3 from nodes opposite the leaves. Fruit ovoid, hard with primary and secondary ribs obscure. Bahr El Ghazal Prov. (Niamniam-land: Tuhami’s Zeriba). =H. natans= _Cyr._ Creeping perennial, rooting at nodes. Leaves long-petioled, suborbicular, shallow-crenate, subpeltate. Umbels ab. 7 flowered. Fruit minute, longitudinally ridged. Bahr El Zeraf; Bahr El Jebel (Sudd to Bor). 409 =Pimpinella etbaica= _Schwfth._ Annual up to 1 ft. high. Leaves, the lower long petioled, pinnately tripartite, the upper variously trifid. Umbels compound, primary rays 3-7, secondary 7-12, involucres absent. Flowers white or violet; fruit covered with hooked hairs. Red Sea Prov. (above 2,000 ft.). 410 =Diplolophium abyssinicum= _Benth._ & _Hook. f._ Perennial 2-5 ft. high, sometimes perfumed like peppermint. Leaves up to 1 ft. and more long, many times divided, segments filiform; petioles up to 5 in. long, sheathing. Umbels compound, primary rays numerous from an involucre of stout 1 in. long, pubescent bracts; secondary rays numerous, from involucels of ab. ½ in. long bracteoles. Flowers comparatively large, hermaphrodite. Petals emarginate. Fruit cylindrical with 2 long styles. Fung Prov. (Fazoghli); Upper White Nile Prov.; Bahr El Ghazal Prov. (Niamniam-land: steppes near the Kishi River); Darfur Prov. (Jebel Marra, 8,000 ft.). 411 =Fœniculum vulgare= _Gærth._ Common Fennel. Herb 2-3 ft. high. Leaves 3-4 times pinnate; segments narrow, linear. Umbels compound, without involucres, 15-20 rays in umbel. Fruit ¼ in. long, oval, slightly compressed laterally; vittæ conspicuous under the furrows. Darfur Prov. (J. Marra, 5-9,000 ft.). 412 =Sium Thunbergii= _DC._ Prod. Marsh herb, with runners. Leaves pinnate, dentate, 1 ft. long, with sheathing, auricled petiole 5 in. long. Umbels compound; rays numerous with many-leaved involucres and involucels. Fruit shortly ovoid, compressed. Darfur Prov. (J. Marra: Niurnya 6,500 ft.). =S. angustifolium= _Linn._ Perennial up to 2 ft. high. Leaves pinnate; segments of lower leaves 8-10 pairs and an odd one, ovate-lanceolate, serrate; upper leaves, segments less numerous, but larger and more deeply toothed or lobed. Umbels compound with primary and secondary involucres, lateral; carpels with 5 slender ribs and several vittæ. Darfur Prov. (J. Marra: Niurnya 6,500 ft.). 413 =Peucedanum Grantii= _Kingston._ Stout glabrous herb up to 7 ft. high. Lower leaves bipinnate, upper ternate, on dilated petioles. Umbels compound, paniculate on a distinct peduncle; primary rays numerous with no involucre or only 1 small bract; secondary numerous; involucel of several bracteoles. Fruit ⅓ in. long, with 3 longitudinal ridges. White Nile Prov.