PAPAYACE^. 289 



8. MELOTHRIA, L. 



Calyx S-dentate. Corolla B-partite. (SitoweK* triadelphons (-"5"), inserted into the 

 calyx-tube : anthers 3, subsessile, oblong ; cells straight, on the margin of an entire connec 

 tive. Ovary 3-celled, constricted below the calyx-limb : cells many-ovnlate. Berry inde- 

 hiscent : seeds compressed. — Flowers monmcious, $ solitary. 



11. M. pervaga, Gr. Glabrescent j leaves membranaceous, cordate with a deep, open 

 sinus, pointed, sinuate-repaud or 3-5-lobed; tendrils simple ; <? flowers in small racemes : 

 calyx-tube as long as the corolla : teeth minute ; corolla-segments emarginate in S , entire 

 in ? ; stigmas bifid J berry ovoid (6"'-8"' long), "purple." — Plum. Ed. Barm. t. 66./. 2. 

 SI. t. 142./. 1. — Landersia, Maef. M. pendvda, &o., L. ex parte. — Root fibrous; leaves 

 variable, often resembling those of Ivy, l"-2" diam., slightly scabrous with white points or 

 glabrate ; corolla yellow, 2"'-3"' diam. , seeds with a sericeous down. — Hab. Jamaica !, all 

 coll., common; S. Kitts I, Antigua!, Wulhehl. ; Domidca!, Imr. ; S.Vincent!, Guilfi. ; 

 [Cuba !, Mexico ! to Venezuela ! and New Granada !]. 



9. CERATOSANTHES, Juss. 



Calyx clavate. Petals 5, bifid, with laterally incurved lobes. Stamens of Melothria. 

 Ovary " 4-celled, constricted below the calyx-limb : cells many-ovnlate." Fruit indehiscent : 

 seeds subglobose. — A slender, glabi:escent vine, tvM a large tuber ; habit i/ Melothria. 



12. O tuberosa, Spreng.—Plum. Ed. Burm. t. 24. Desc. Fl. 8. t. 588. Bot. May. 

 t. 2703.— Tiichosanthes,.?^. T. comiculata. Lam. — Tuber several inches diam.; stem gla- 

 brous ! leaves membranaceous, 3-5-lobed, 3"-l"diam., scabrous or glabrescent : lobes ovate, 

 pointed, subentire ; tendrils simple ; -3 flowers in peduncled racemes or corymbs : petals 

 •whitish, 4'" long, with acuminate lobes. — Hab. Grenada !, Wullsc&l. ; [Martinique, Vene- 

 zuela!]. • 



10 ANGURIA, i. 



Calyx tubular-campauulate. Petals 5. Stamens diadelphous, inserted into the base of 

 calyx-tube ; anthers 2, subsessile, oblong : cells straight, marginal. Ovary 2-ceUed : cells 

 mauy-ovulate. Fruit indehiscent. — Tendiils simple ; flowers usually red, ditecious. 



13. A. umbrosa, Ktk. Glabrescent ; leaves deeply pedati-h-lobed to seven-eighths, 

 cordate at the base with a broad sinus : lobes subentire, 3 middle oblong, mucronate, ex- 

 terior semiovate ; S flowers in short racemes : peduncles as long as the leaves : pedicels 

 ebracteate, as long as the calyx ; calyx-tube green, longer than the oval, red petals : teeth 

 minute, recurved.— Root tuberose; leaves 5"-6" diam. ; <J calyx-tube 7"'-8"', teeth 1"', 

 petals 5"'-6"' long. — Hab. Trinidad !, Fd., common in waste places ; [Venezuela]. 



Tribe II. NEANDIUOBEM. — Tendrils axillary (i. e. formed of abortive branches). 

 11. FEUILLEA, Z. 



$ : Calyx 5-lobed. Corolla rotate. Stamens central, 5 fertile (alternating with 5 sterile 

 filaments) : anther-cells marginal. " Ovary 3-celled : cells many-ovulate. Fruit indehis- 

 cent." — Glabrous vines ; flowers dioecious, S fascicled in long, branched racemes, ? " soli- 

 tary." 



14. F. cordifolia^ Sw. Leaves subcordate-roundish, angnlar-3— 5-lobed or entire, 

 eglandular; corolla-segments rouided. — Desc. Fl. 3. 1. 198. — A high climber; leaves 3"-4" 

 diam.; i flowers orange, 6'" diam. ; fruit " globose, 2" diam." — Hab. Jamaica!, Macj., 

 Al., Fd., common in shady woods. 



LXXVIII. PAPAYACE^. 



Flowers unisexual. Corolla hypogynous, sympetalous in 3 . Stamens 10, inserted into 

 the corolla. i'wW/ paracarpous : placentas 5, many-ovulate : stigmas distinct. Fruit pulpy^ 



