MELOTHRIA . CUCURBITACEJE (AUCT. COGNIAUX). 5 
attenuato. — Hook. f. in Oliv. Fl. trop. Afr. 2, p. 563. — Bryonia 
deltoidea Schum. et Thonn. ! Pl. Guin. p. 420 (non Arn.). 
Caulis gracilis, ramosus, angulatus, puberulus. Petiolus gracilis, 
striatus, breviter villosus, 1 '/, cent. longus. Folia membranacea, su- 
pra læte viridia, subtus paulo pallidiora et leviter reticulata, 4-8 cent. 
longa, 5-10 cent. lata, margine sinuato-denticulata, apice acuta, lobis 
basilaribus sepius obtusis; sinus basilaris triangularis, acutus, 
1-2 cent. profundus. Cirrhi graciles, breves, suleati, subglabri. Pe- 
dunculus masculus filiformis, striatus, puberulus, 4-5 cent. longus. 
Calyx campanulatus, dentibus setiformibus. Corolla glabra, segmentis 
integris. Antheræ subquadratæ. Pedunculus femineus 3-4 cent. lon- 
gus. Ovarium fusiforme, pilosiuseulum. Fructus 15-16 mill. longus, 
7-8 mill. crassus. Semina cinerea, basi vix attenuata, 4 mill. longa, 
2*/, mill. lata. 
In Guinea (Thonning in herb. hort. Petrop.); ad Aboh (Barter 
n. 1522 in herb. Kew.); in Nigritia (Vogel n. 45 in herb. Kew.); in 
Congo (Ch. Smith n. 2 in herb. Brit. Mus.); in Gabonia (Expos. 
colon. n. 99 in herb. Mus. Par.) ; in Senegalia (herb. Lenorm.). 
2. Semina non vel obscure marginata. 
a. Fructus oblongus vel fusiformis, utrinque acutus. 
21. M. Zeylanica (C. B. Clarke! in Hook. f. Fl. Brit. Ind. 2, 
p. 626); foliis deltoideis vel triangulari-oblongis, integris vel leviter 
trilobatis, utrinque glabris, supra punctato-scabris, subtus lævibus ; 
floribus masculis fasciculatis; calycis tubo late campanulato, basi 
Subtruncato; fructu ovoideo- vel oblongo-fusiformi, longitudinaliter 
angulato-6-costato. — Bryonia deltoidea Arn.! in Nov. Act. Acad. 
C. L. Nat. Cur. 18, p. 337; Walp. Rep. 2, p. 197. — Æchmandra del- 
toidea Arn.! in Hook. Journ. of Bot. 3, p. 274; Rom. Syn. fasc. 2, 
P. 33. — Melothria deltoidea Thw.! Enum. pl. Zeyl. p. 124 (non 
Benth.). — M. Thwaitesii Schweinf. Reliq. Kotsch. p. 44 (part.) et 
tab, 29, fig. 7-13 et 18. 
Caulis filiformis, elongatus, ramosus, sulcatus, glaber vel puberulus. 
Petiolus filiformis, sulcatus, puberulus vel rarius glaber, 2-5 cent. 
9ngus. Folia tenuiter membranacea, supra intense viridia et ad ner- 
"05 brevissime denseque villoso-hirsuta, subtus leete viridia, 5-10 cent. 
onga, 4-7 cent. lata, margine minute remoteque denticulata, apice 
acuminata, basi leviter emarginata, truncata vel interdum subrotun- 
