246 



68. CONVOLVULACE^. 



[Rhabdia, 



Common in the bads of the Konkan and North K^nara rivers. ¥l. Oct.- 

 Dec. Fr. Jany. Frait 'size of a pea, orange coloured. A small shrub. 



Order 63. CONVOLVULACKSI. 



Shrubs or herbs, usually twining. Leaves alternate. Flowers 

 eymose, bracteate, 1 or more together, regular, hermaphrodite, often 

 showy. Calyx deeply 5-lobed, persistent, sometimes enlarged in fruit. 

 Corolla usually campanulate or funnel-shaped ; limb shortly or deeply 

 lobed, often 5-plaited in bud. Stamens 5, on the corolla-tube. Ovary 

 superior, carpels 2, 2-celled or by false dissepiments 4-celled ; style 1, 

 rarely 2, stigma capitate 2 -lobed, or 2-b ranched ; ovules 2 in each carpel. 

 Fruit indehiscent, 2-4-valved or breaking up irregularly, 2-4, rarely 

 1-seeded. Seeds erect, albumen 0. 



Fruit indehiscent. Bracts inconspicuons. 



riowers small, nearly rotate, tube short. Ovary 

 1-celled. Stigma globose, sub-sessile. Fruit 

 a flesliy, 1-seeded berry ... 1. Ertcibe. 



Flowers large, funnel-shaped. Ovary 4-celled. 

 Corolla large, white. Stigmas 2, linear- 

 oblong. 



Fruit indehiscent or irregularly break- 

 ing up. 



Seeds glabrous ... ... 2. Rivjea. 



Corolla large, purple or rose. Stigmas 2, 



sessile globose. 

 Fruit baccate or nearly dry, hard or papery. 



Seeds glabrous or closely tomentose ... 3. Aro-vreia. 

 Flowers smaller medium- sized.. Corolla tabular, 

 funnel-shaped. Ovary 2-celled. Fruit a 1-4- 

 seeded berry . . ... ... 4. Lettsomia. 



Fruit a 2-4-celled capsule or fragile and breaking 

 up. Bracts small, deciduous. 



(Style simple. Stigmas 2, globose or 2, short, 

 oblong. 



Flowers of different sizes, purple, white or 

 yellow. Sepals not enlarged in fruit. 

 tStigmas 2, globose. Capsule 2-4-celled ... 5. Ipomcea. 

 Flowers small, white. Sepals enlarged in 

 fruit. Stigma simple or 2-lobed. Capsule 

 1-seeded ... ... ... 6. Porana. 



Styles 2, nearly distinct from the base. Stigmas 

 capitate. 



Flowers medium-large, white. Sepals some- 

 what enlarged in fruit. Capsule globose, 

 splitting into vertical segments, 4-seeded . 7. Brevveria. 

 Fruit a small 4-valved, 1-seeded capsule, situated 

 in the centre of a large membranous, orbicular, 

 veined bract. 



Corolla small, campanulate. Styles 2, separate 

 from the base ... ... ... 8. NeuropeltiS. 



1. ERYCIBE, Roxb. 



Climbing shrubs. Leaves coriaceous, evergreen. Sepals sub-equal^ 

 orbicular, coriaceous, adpressed to base of fruit. Corolla with a short 



