: CUCURBITACÉES. 433 
Antherarum capitulus oblongus v. globosus; loculis sigulis valde 
sigmoideo-flexuosis'. Germen oblique ovoideum; loculis 1-6, sæpius 
3, quorum vacuus À; ovulis in loculis ce, adscendentibus, obliquis v. 
subhorizontalibus. Stylis gracilis sub apice stigmatoso late capitato 
constrictus. Fructus obliquus gibbus, 1-2-locularis v. æ-locellatus, 
hispidus v. echinatus, elastice dehiscens placentamque lateralem v. 
subcentricam nudans. Semina compressa, margine sæpe crenulata. 
— Herbæ perennes ; ramis scandentibus: foliis integris, lobatis v. par- 
üüs; cirrhis simplicibus v. 2-8-fidis; floribus? masculis r'ACeMOSIS ; 
fæmineis solitariis, nunce coaxillaribus. (America calid. ‘) 
20. Echinocystis Torr. et GR.#— Flores monœci; receptaculo con- 
cavo pateriformi v. campanulato, fæmineo inferne sub collo constrieto 
in saccum germen intus adnatum foventem dilatato. Sepala 5, mar- 
gini receptaculi inserta, sæpius parva v. minima, dentiformia v. fili- 
formia. Corollæ subrotatæ cumque calyce insertæ petala 5 (v. 6, 7) 
papillosa, valvata v. superne vix imbricata, Stamina basi in columnam 
brevem erectam connata; antheris subrectis v. sæpius in coronam 
flexuosam connatis, ad medium sinuato-rimosis®. Staminodia in flore 
fœmineo 3-5, setiformia v. minute glanduliformia. Germen 2-loculare; 
placentis parietalibus 9, intus demum contiguis; singulis 2-6-ovulatis ; 
ovulis adscendentibus, demum plus minus tortis, placentaque accreta 
locellataque inclusis; micropyle introrsum laterali 5, Fructus baccatus 
v. demum siccus, extus longe echinatus, intus fibrosus, 1-4-locella- 
lus, Superne poris 1, 2 v. operculo dehiscens (Echinopepon*), nuneve 
irregulariter lacerus (£nechinocystis); seminibus 1-19, plus minus elon- 
satis, lævibus v. nune marginatis. —Herbæ scandentes, annuæ v. radice 
Pérennante tuberosa; cirrhis simplicibus v. plerumque 2-5-fidis ; fohis 
integris, lobatis v. sæpius palmatim 5-7-angulatis; eirrhis plerumque 
2-6-tidis ; floribus  masculis in racemos simplices v. composito-ramo- 
Sos dispositis; fœmineis solitariis v, eum masculis coaxillaribus. 
(America utraque temp. et calid.®) 
1. Polline subgloboso, 3-4-sulco. pl, N.-York, 137 {nee R. Br.). — Megarrhisa 
2, Albis v. flavidis, parvis. Torr,, Pacif. Railw. Rep., NI, 74. — Marah 
3 Spec. ad 12. L., Spec., ed. %, 1375. —  KELL., in Proc. Calif. Acad., ed. 1, 58. 
W., Spec., IV, 192. — H. B. K.. Nov. gen. et 5. Polline lævi, 5-6-gono, poricido. 
*pec., 11, 120, — Hersr., Centr. Amer. Bot. 6. De ovuli tortione cfr H. BN, in Bull. Soc. 
- — WaLe., Rep., II, 203; V, 762 (Rhytido-  Linn. Par., 457 
Sylis); Ann., 1, 317: IV, 865. 7. NAUD., in Ann. sc. nal., sér. 5, VI, 17. 
4, F1. Lime. & "542. — ENDL., Gen, 8. Albidis, parvis. 
Suppl. 4421 — B. H., Gen... [, 835, n. 51.— 9. Spec. ad 22. BREw. et Wars., Bot. ur (4 
“0x. Cucurb., 798. — Herampria Tonn., Rep. 1, 40 (Melothria). — Ver, FL. fum., 10, 
