506 DICOTYLEDONE.E. cucumis. 
longæ ; appertdix connectivi gracilis, biloba, apice leviter verruculosa, 
1 mill. longa. Fructus 2 ‘/,-3 cent. longus, 2-2 */, cent. crassus; aculei 
2 mill. longi. Semina immarginata. 
In Africa australi ad Gamkariver (Zeyher n. 582 in herb. Kew. et 
Webb.), ad Magalisberg (Zeyher n. 583 sec. Sonder); ? prope Port 
Natal (Gueinzius n. 398 in herb. Boiss. et Vindob. ; Mac Ken in herb. 
Mus. Par.) 
24. C. subsericeus (Hook. f.! in Oliv. F1. trop. Afr. 2, p. 545); 
foliis læte viridibus, subcoriaceis, utrinque dense villoso-sericeis, late 
ovato-cordatis, subintegris vel leviter 3-5-lobatis, lobis brevibus, late 
triangularibus, acutis, intermedio multo longiore, sinubus subacutis; 
peduneulo femineo brevi, erassiusculo ; ovario ovoideo, hispido ; fructu 
ovoideo, spinis robustis conicisque et setis gracilibus basi tuberculatis : 
horrido. 
Caulis gracillimus, debilis, paulo ramosus, sparse pilosus, scabrius- 
eulus. Petiolus gracillimus, retrorsum villoso-hirsutus, 3-5 cent. lom- 
gus. Folia 4-6 cent. longa, 3-5 cent. lata, margine minute denticulata, 
basi vix emarginata, pedato-5-nervia. Cirrhi filiformes, breves, leviter 
villosi. Pedunculus masculus capillaris, flexuosus, breviter villosus, 
‘/-1 cent. longus. Calycis tubus subcylindricus, basi attenuatus, 
sparse villoso-hirsutus, 3 mill. longus, apice 1'/, mill. latus; dentes 
subulati, erecti, 1 mill. longi. Corolla sparse villosa, 3 mill. longa, 
segmentis ovato-oblongis, acutis. Staminum filamenta subnulla; at- 
there oblongo-lineares, ciliatæ, 2 mill. longæ; appendix connectivi 
crassa, leviter papillosa, */¿-"/, mill. longa. Peduneulus femineus 
dense hispidus. Fructus 2 /,-3 cent. longus. Semina alba, angusta 
margine tumido circumcincta. 
In arenosis dumetosis Angolæ ad ripas flum. Cuanza, distr. Pungo 
Andongo (Welwitsch n. 838 in herb. Brit. Mus.). 
25. C. membranifolius (Hook. f.! in Oliv. Fl. trop. Afr. 2, 
p. 545); foliis intense viridibus, tenuiter membranaceis, utrinqu^ 
sparse hispidulis, late ovato-cordatis, angulatis vel leviter 5-lobatis. 
angulis vel lobis late triangularibus, acuminatis, intermedio m to 
longiore, sinubus rotundatis; pedunculo femineo brevi, robusto; OV?" 
rio ovoideo, hispido; fructu late ovoideo, aeuleato et setis aciculart* 
fuscis dense vestito. 
Caulis gracilis, striatus, ad angulos leviter hirsutus, paulo ramosus. 
Petiolus gracilis, striatus, breviter denseque villoso - hirsutus» 
