680 Oenotheraceae. —-Halorrhagidaceae. 
968. (1.) Jussiaea repens L. Mant. (1771), p. 381. — Boiss. 
Flor. Or. I, p. 751. — Ic. Rheed. Mal. Il, tab. 51. — Aschers.-Schweinf. 
Ill. Flor. @Eg., p.76 no.437. — Sickenberg. Contrib. Flor. d’Eg., 
p. 230. — Jussiaea diffusa Forsk. Flor. aeg.-arab. Deser., p. 210. — 
Jussiaea fwartziana DC. Prodrom. IIL, p.54. — Jussiaea stolonifera 
Guill. and Perr. Flor. Seneg., p. 292. — Jussiaea fluitans Hochst. foll. 
Haw. and Sond. Flor..Cap. HU, p. 504. — Jussiaea alternifolia E. Mey. 
in Hb. Drege. — Creeping or floating herb, copiously rooting, 
frequently with cylindrical float-vesicles and aérial roots at the . 
nodes, glabrous or pubescent. Leaves varying from linear-oval to 
lanceolate, obtuse or subacute, entire or obscurely sinuate, 2—6 cm 
long, narrowed into the petiole of variable length. Flowers pedun- 
culate, usually 5-merous, */,—27/, em in diameter, yellow. Calyx- 
lobes linear-lanceolate, 5—6 mm. Petals exceeding the lobes. 
Capsule cylindrical, sulcate, 5—2,5 cm long on a peduncle as long 
or longer, with a pair of minute bracteoles near the junction. — 
Flow. March to April. 
N. d. Damietta; Abii Shekik; Damanhur; Benha-el-’Asl; Tanta. 
— N.f. Medinet-el-Fayim; Tamia. — 0. Dakhel. 
Local name: forga; freykal; qatif; meddaid (Ascherson). 
Also known from Algeria, Tropical Africa, Syria, Tropical Asia and 
America. 
969. (2.) Jussiaea linifolia Vahl. Eclog. Americ. (1807), p. 32. 
Jussiaea altissima Guill. and Perr. Flor. Seneg., p. 293. — Jussiaea 
nubica Hochst. in Herb. Kotsch. Nub. — Erect with a firm but slender 
woody terete stem, marked with faint decurrent lines or very narrowly 
alate above, from 15—60 em or more (3—4 m) in height, usually 
freely branched above, branches divaricate, wholly glabrous. Leaves 
linear-lanceolate, narrowed to each end, acute or subacute, entire, 
26 cm long; petiole variable, frequently narrowly margined to 
the base. Flowers small, yellow, sessile, 4-merous, often from nearly 
every axil. Capsule cylindrical or slightly narrowed below, 1—1,5 cm 
long. Seeds minute, oblong or ellipsoidal, about 1 mm in length. 
— Flow. February. 
N. v. mer. Islands near Aswan (Schweinfurth). 
Also in Tropical Africa and America, 
79. Halorrhagidaceae. 
Calyx-tube adnate to the ovary; lobes 2, 4 or none, or rarely 3. 
Petals 2, 4 or none, valvate induplicate or slightly imbricate. 
Stamens 2—8, rarely 1 or 3; filaments short; anthers erect, 2-celled, 
opening longitudinally, Ovary inferior, flattened or angular, either 
