MELOTHRIA . CUCURBITACEJE (AUCT. COGNIAUX). 617 
In sylvis prope Port-Natal (Drège, Gerrard et Mac Ken n. 559 sec. 
Sonder, 1. c.). : 
47. M. Mannii ; foliis ovato-deltoideis, utrinque scabris præcipue 
supra, basi horizontaliter truncatis, margine remote profundeque su- 
bulato-dentatis; floribus masculis dense capitato-subumbellatis; ca- 
lyce breviter sparseque piloso. — Zehneria deltoidea Hook. f.! in 
Oliv. Fl. trop. Afr. 2, p. 560 (non Miq.). 
Caulis gracillimus, sulcatus, angulis viridibus, levis, leviter pube- 
rulus præcipue ad nodos. Petiolus subfiliformis, suleatus, sparse as- 
perus, 2 cent. longus. Folia supra læte viridia demum albo-punctata, 
subtus pallida, longe acuminata, 5-6 cent. longa, 4-4 '/, cent. lata. 
Pedunculi communes masculi solitarii vel geminati, graciles, striati, 
leviter pubescentes, 2-3 cent. longi, apice umbellato-20-30-flori; pe- 
dicelli capillares, patuli, leviter hirsuti, 3-5 mill. longi. Calyx anguste 
campanulatus, basi rotundatus, intus longe villosus, 2 '/,-3 mill. lon- 
gus, 1 */, mill. latus; dentes minutissimi. Corolla utrinque breviter 
villosa, seementis ovato-oblongis, subacutis, 2 mill. longis, 1 '/, mill. 
latis. Staminum filamenta eracilia, glabra, */, mill. longa; antheræ 
suborbiculares, ciliatæ, */, mill. longæ. — Flores feminei et fructus 
ignoti. 
In Guinea ad mont. Cameroon (Mann n. 1277 in herb. Kew.). 
B. Semina magna, turgida vel subglobosa. Folia coriacea, brevissime 
petiolata. — Zehneriæ sect. Karivia Kurz in Journ. As. Soc. Beng. 
1877, part. 2, p. 104. Spec. 48-50. 
48. M. racemosa; dioica; foliis deltoideis ovatis vel reniformi- 
bus, integris vel plus minusve profunde lobatis, utrinque scaberrimis, 
apice acutis vel acuminatis; floribus masculis interrupte racemosis ; 
calyce pubescente; floribus femineis solitariis vel fasciculatis ; fructu 
parvo, eloboso, oligospermo; seminibus late ovoideis, distinete com- 
pressis, immarginatis, levibus. — Zehneria racemosa Hook. f.! in 
Oliv, F1. trop. Afr. 2, p. 561. 
Radix elongata, lignosa, perennans. Caulis prostratus, profunde 
Sulcatus, glaber, levis vel scabriusculus. Petiolus gracillimus, dense 
breviterque villoso-hirsutus, 3-8 mill. longus. Folia rigida, utrinque 
pallide viridia, leviter reticulata praecipue subtus, 3-4 cent. longa la- 
taque, margine remote spinuloso-dentieulata rarius integerrima, lobis 
Valde variabilibus; sinus basilaris late triangularis, subacutus, '/,-1 
