28 A SYNOPSIS OF THE V 



B. Fls. 2-merous : ovary 1-2- 



celled 1. CincEA. 



BB. Fls. 4-merous : ovary 2- 



ceMed 2. Tkapa. 



EDB. Fls. 3-4-merous : ovary 4- 



celled. rarely 3-celled..3. Gauha. 

 AA. Ovary 2-6-celled. cells many 

 -ovuled: fr. a capsule (in 



Fuchsia a berry) 



B. Stamens 1 or 2 4. Lopezia. 



BB. Stamens 4-8, rarelv 3. . . 



c. Seeds bearded 



D. Calyx broadened out 

 above ovary into a 

 funnel-shaped tube.r>. Zauschnekia. 

 DD. Calyx hardly pro- 

 duced beyond ovary. 0. Epilobicm. 

 cc. Seeds not bearded or 



winged 



D. Calyx usually long- 

 produced beyond 

 ovary (except in 

 some Oenotheras) . 



E. Stamens 4 7. Elchabididm. 



EE. stamens 8 



F. Fr. a capsule ... 8. (Enothera. 



FF. Fr. a berry 9. Fuchsia. 



DD. Cal.vx not or bardl.v 

 produced beyond 



ovary 



E. Capsule loculicidal. . 10. Clabkia. 

 EE. Capsule septicidal. . 



F. Stamens 8-12. ...11. JussiEUA. 

 FF. Stamens 3-G. ... 12. Ludwigia. 



65. LOASACE.E. 



A. Petals hooded 



B. Capsule 3-5-valved at 



apex, rarely twisted... 1. Loasa. 

 BB. Capsule longitudinally 5- 

 10-valved. usually 



twisted spirally 2. Blumenbachia. 



AA. Petals not hooded 



B. Seeds very numerous, ar- 

 ranged in many series. .3. Efc.xiDE. 

 BB. Seeds few or if numerous 



arranged in 2 series... 4. JIentzelia. 



66. PASSIFLORACE.E. 



a. Fls. mostly unisexual, male 

 fls. tubular, females 5- 



petaled ; corona 1. Carica. 



.\A. Fls. hermaphrodite : corona 



single or double 



B. Calyx tube long: petals 



and stamens 5 2. Tacsonia. 



BB. Calyx tube short : petals 

 4-5, rarely : stamens 

 4-5 3. Pas.siflora. 



67. CUCURBITACE.E. 



SOMMABY OP Tribes. 



A. Series I. Ovules horizontal.!. Cucumber Tribe. 

 AA. Series II. Ovules erect or 

 ascending, rarely horizon- 

 tal 



B, Fruit ruptures elastically. 2. Cyclanthera 



Tribe. 

 BB. Fruit does not rupture 



elastically 3. Abobea Tribe. 



AAA. Series III. Ovules pendu- 

 lous 4. Sicvos Tribe. 



1. Cucujiber Tribe. 



A. Anther cells straight, rarely 



curved, not flexuous. ...1. Melothria. 

 AA. Anther cells flexuous or con- 

 duplicate 



b. Corolla bell-shaped. 5- 

 lobed to the middle or 



a little below 



c. Anthers free 2. SiCANA. 



cc. Anthers coherent 



D. Filaments connate. . ..3. CocciNIA. 



DD. Filaments free 4. Cucurbita. 



BB. Corolla rotate and 5- 

 petaled or bell-shaped 



EGETABLE KINGDOM. 



and 5-parted to the 



base 



c. Petals fimbriate or 



tendril-bearing 



D. Seeds large, fibrous. . 5. Telfairea. 

 DD. Seeds small. not 



fibrous 6. TniCHOSANTHES. 



CC. Petals entire 



D. Calyx tube of male 

 fls. long ; anthers 

 coherent in an ob- 

 long head, usually 



included. 



E. Pistillodes 1-3. sub- 

 ulate or setitorm.7. Gy.mxofetalum. 

 EE. Pistillode absent or 

 reduced to a 



gland 



F. Anthers coherent. ,s Peponia 

 FF. Anthers free. . . . . y'. Lagenaria. 

 DD. Calyx tube of male 

 fls. short : anthers 

 free or slightly co- 

 herent, usually ex- 



serted 



E. Stamens inserted in 

 the mouth of the 



calyx 



F. Scales in bottom 



of calyx 1 10. Thladiantha. 



FF. Scales in bottom 



of calyx 2-3. ..-n. Momordica. 

 EE. stamens inserted in 



calyx tube 



F. Male fls. In ra- 

 cemes 



G. Fruit, dr.v, fi- 

 brous, dehis- 

 cent b.v lid at 



top. .JO I^cFFA. 



GO. Fruit fleshy, 

 not fibrous.. 

 H. Female fls. soli- 

 tary •■•13. Ecballiom. 



iiii. Female fls. 



racemose or 



clustered. ^ Bkyoxia. 

 FF. Male fls. solitary 

 or fascicled. . . . 

 G. Calyx lobes 



somewhat 

 leafy, ser- 

 rate, ieflexed.i5. Be.mscasa. 

 GG. Calyx lobes awl- 

 shaped, entire, 



erect 



n. Pollen minutely 

 m u r i c ate : 

 pistil lode. 



none 16. Bryonopsis. 



nil. PoUou smooth ; 

 p i s t i I I ode 

 reduced to a 

 small gland.. 



1. Tendrils not 



b r a n c bed : 

 conn ective 

 usually pro- 

 duced up- 

 wards beyond 



locale 17. CucuMis. 



II. Tendrils 2-,3- 

 fid : connec- 

 tive not pro- 

 duced 18. CiTiiuLLr:s. 



2. Cyclanthera Tribe. 



A. Fr. oblique, gibbous, ruptur- 

 ing elastically 10. Cyclanthera. 



AA. Fr. not gibbous, opening by 

 1 or 2 pores at the top or 

 by irregular rupture. . . . 20. Echixoctstis. 

 (Including Megar- 

 3. Abobra Tribe rhiza). 



Anther cells flexuous : stamens 



free 21. Abobra. 



4. SiCYOs Tribe. 



Fls. 5-merous. monoecious ; fr. 



fleshy 22. Sechium. 



