Ll(ffa'\ LXIII. CUCURBITACE^. 395 



long, flattened towards the apex ; bracts beset outside with large 

 circular glands ; corolla 5-partite nearly to the base, beset on the inner 

 face with long thin hairs which are more densely crowded at the 

 base ; corolla-segments of the male flowers obovate, obtuse, abruptly 

 acuminate, 1^ inch long, slightly crenate-wavy on the margin, per- 

 vaded with 3 thick nerves which form as many furrows on the inner 

 face ; female flower always smaller than the male ones, with petals 

 scarcely h in. long. On the drier slopes near Sange, extensively 

 running along the ground amidst grasses and low shrubs ; fl. June 

 and July ; fr. Nov. 1855. No. 800. Flowers monoecious ; fruit half 

 a span long, cylindrical, but little ventricose in the middle, dry, sub- 

 angular, operculate at the top. In thickets near Sange ; fr. July 1857. 

 Coll. Carp. 148. A widely climbing herb ; seeds ; Coll. Carp. 601. 



11. CUCUMIS L. ; Benth. & Hook. f. Gen. PI. i. p. 826. 



1. C. angolensis Hook. f. ex Cogn. in DC. Monogr. Phan. iii, 

 p. 487 (1881). Ciicumis (sp.), Hook. f. in Oliv. Fl. Trop. Afr. ii. 

 p. 547. 



MossAMEDES. — A polymorphous plant. In sandy bushy places at the 

 banks of the river Bero (Charneca da boca do Bero) ; fl. and young 

 fr. July and August 1859. No. 631. 



2. C. sagittatus Peyritsch ex Wawra & Peyr. in Sitz. Ber. 

 Wien, xxxviii. No. 25, p. 567 (1860) ; Hook, f., I.e., p. 546 ; Cogn., 

 I.e., p. 488. 



MosSAMEDES. — Variable as to the shape and hairiness of the leaves. 

 Fruit 2 in. long by 8 in. thick. In gravelly places with scanty herbage, 

 along the banks of the river Bero ; sparingly in fr. July 1859. No. 830. 



3. C. Welwitschii Cogn., I.e., p. 490. 



C hirsutus Hook, f,. I.e., p. 546 (partly), non Sond. 



Ambaca. — A dioecious herb with tuberous perennial rootstock, 

 decumbent or climbing stems, yellowish flowers, and strigose-hirsute 

 ovary, but smooth fruit. In sandy wooded places, the trees chiefly 

 consisting of Echhiodiscus or some allied genus (cf. Amerlmnon nitidulum 

 0. Kuntze ; Welw. Herb. No. 1885), between the river Lucala and 

 Zamba, at an elevation of 3000 ft. sparingly ; fl. and young or nearly 

 ripe fr. Oct. 1856. No. 803. 



4. C. longipes Hook, f., I.e., p, 547 ; Cogn., I.e., p. 491. 



Loan DA. — An annual procumbent herb ; the stem and very long 

 branches acutely angular ; flowers monoecious, deep-yellow, the female 

 ones on remarkably long peduncles ; ripe fruit as large as a pigeon's 

 egg, fleshy-juicy, with the scent and flavour of a cucumber, greenish- 

 glaucescent outside, echinate with short, herbaceous, rather rigid, 

 subobtuse prickles. In sandy maritime places at Praia de Zamba 

 Grande, also at the back of the city of Loanda ; fl. and f r. end of August 

 1858. No. 848. Fruit as large as a good-sized walnut, echinate and 

 of a deep sulphur colour outside. In sea sands about Loanda ; fr. 

 March 1854 and again in 1858. This must be compared with the 

 next species. Coll. Carp. 605. 



Cazengo. — A rough, much branched, prostrate herb, with long 

 runners ; fruit-peduncle 3j in. long ; young fruit ellipsoidal, green, 

 2 in. long, 1^ in. thick, as large as a small hen's egg. In dry stony 

 places at the banks of the river Luze, among sparse herbage ; sporadic; 

 young fr. Dec. 1854. No. 824. 



