938 Cucurbitaceae. 
3-lobed; ovules numerous, on 3 placentas. Fruit globose, usually: 
hard, smooth. Seeds many, oblong, compressed, smooth. — Annual, 
rarely perennial herbs, foetid or musky. rarely scandent. Leaves 
deeply lobed; lobes narrow. ‘Tendrils usually 2—3 fid. Flowers 
shortly peduncled, yellow. Fruit usually large. 
A small genus in the Tropics and Subtropics. 
A. Leaves not seabrid. Fruit sweet or slightly bitter 1. C. vulgaris. 
B. Leaves scabrid. Fruit intensely bitter... . . 2. C. Colocynthis. 
1303. (1.) Citrullus vulgaris Schrad. in Eckl. and Zeyh. Enum. 
Plant. capens. (1834—1837), p. 279. — Naud. in Ann. Scienc. Natur. 
Ser. IV, Vol. XI, p. 100. — Aschers.-Schweinf. Ill. Flor. d’Eg., p. 77. — 
Boiss. Flor. Or. I, p. 759. — Citrullus amarus Schrad. in Linnaea XU, 
p.412. — Cogniaux in DC. Monogr. Phan. III, p. 508. — Cucurbita 
Citrullus L. Spec. Plant. I, p. 1435. — Cucumis Citrullus Semije in 
DC. Prodrom. II, p. 301. — Annual. Stem glabrous or woolly. 
Leaves and flowers much as in Citrullus Colocynthis, but the former 
more membranous, greener, not scabrid, glabrous or slightly hairy. 
Fruit variable in size from that of an apple to a man’s head, and 
in colouring green or striped or marbled, bitter or sweet. Seeds 
variable in form and colour. — Flow. Januar to March. 
M. ma. M. p. N. d. N.f. N. v. D. a. sept. Cultivated everywhere 
and often subspontaneous. 
Local name: battikh. 
Widely distributed in Tropical Africa. 
var. colocynthoides Schweinfurth in Nature XXVIII (1883), 
p. 113. — Aschers.-Schweinf. Ill. Flor. d’Eg., p. 77. — Sickenberg. 
Contrib. Flor. d’Ke., p. 243. — Stem trailing, scabrid and somewhat 
pubescent. Leaves triangular-ovate in outline, 5—9 cm long, 7-lobed, 
or 3-lobed with the middle lobe ovate, the lobes sinuate-lobate, 
scabrid on both surfaces. — Flow. January to April. — It is the 
desert form of Citrullus vulgaris. 
N. v. Envirous of Aswan. — O. Great Oasis. 
Local name: arandj (Schweinfurth). 
Also known from Nubia. 
1304. (2.) Citrullus Colocynthis Schrader in Linnaea XII (1838), 
p. 414. — Boiss. Flor. Or. Il, p. 759. — Aschers.-Schweinf. Ill. Flor. 
dEg., p.77 no. 442. — Cogniaux in DC. Monogr. Phan. II, p. 510. 
—. Wight Icon. Plant. Or., tab. 498. — Cucumis Colocynthis L. Spec. 
Plant. I, p. 1435. — Naud. in Ann. Science. Natur. Sér. IV, Vol. XI, 
p. 99. — Root perennial. Stem angular, scabrid. Leaves triangular- 
