CO y VOL VULACEJE. 



99 



Flowers in racemes or panicles, outer 

 3 or all tho sepals enlarged in frait ; 

 capsule 1- seeded, indehiscent, rarely 

 --valved ...... 



Flowers in oymes or solitary ; capsule 

 valvate or opercular, rarely dehiscing 

 irregularly. 



Styles 2, distinct from the base, sepals 

 not or slightly enlarged in fruit. 



Corolla-lobes imbricate, flowers 

 solitary in the upper axils, 

 stamens exserted 



Corolla-lobes in duplicate-contorted, 

 flowers in few-flowered peduncled 

 cymes or solitary in the axils, 

 stamens included or slightly 

 exserted ..... 



Style entire, stigmas usually 2. 



Ovary 1 -celled, capsule 4-valved ; 

 stigmas short, oblong, calyx-lobes 

 not enlarged ; bracts 2, large, 

 enclosing the calyx 



Ovary 2- or sometimes 4-celled. 



Stigmas elongate. 



Stigmas filiform, ovary 2-celled, 

 capsule 4-valved or indehi- 

 scent, hairs bimple or rarely 

 2-hranched .... 



Stigmas elliptic, ovary 2-celied, 

 oapsule usually 8-valved, 

 hairs 3-mar.y-branched 



Stigmas globose. 



Capsule 4-valved, 

 winged 



stems not 



3. POBANA. 



4. Cressa. 



5. Evolvulus. 



6. Caltstegia. 



Capsule circumscissile above 

 the middle, stemB winged 



Corolla-tube not uniformly enlarged from the 

 base, the five bands en the lobes clearly 

 defined by 2 prominent line^, pollen echinu- 

 late. 



Fruit dehiscent, or if indehiscent then with 

 thin fragile walls. 



7. Convolvulus. 



8. Jacquemontia. 



9. Mebbemia. 



10. Opebculina. 



E 2 



