80. CONVOLVVLACEM. [1. Ebycibb. 



Fruit dehiscent or indehiscent, sometimes fragile. Seeds 

 2-4 rarely only 1. Albumen or scanty. Cotyledons 

 generally plicate. 



I. Climbing Bhrubs. Ovary 1-celled. Pr. a 1 -seeded 



berry . .1. Erydbe. 



II. Climbing shrubs. Ovary 2-celled« Fr. dry 1- 



seeded, sepals enlarged into wings in trait 2. Porana. 



III. Climbing or prostrate herbs. Stigmas linear, 



oblong or ovate oblong. Fr. dehiscent. 



Ovary I- (or incompletely 2-) celled^ hirsute . . 3. Hewittia. 



Ovary 2-celled. Style 1. Fls. white • . .4. Convolvulut* 



Ovary 2-oelled. Styles 2. Fls. blue . . . .5. Evolvulus. 



IV. Erect or climbing. Stigmas linear-oblong. Ovary 



4-celled. Frt. indehiscent . • . .6. Bivea. 

 V. Stigmas 2, globose 



(a) Fruit indehiscent. L. tomentose or adpressed 



hairy beneath, not lobed. 

 Ovary 4-celled ....... 7. Argyreia. 



Ovary 2-celled 8. Lettsomia. 



(b) Frnit dehiscent. L. not tomentose or atrigose 



beneath. Ovary 2-, 3-or 4-celled . . .9. Ipomcea* 



VI. A filiform yellow-green parasite without leaves . . 10. Cuscuta. 



Prain's division of Ipomaea in " Bergal Plants" into ' evera\ genera is 

 more natural and consistent with the separation "of Argyreia and 

 Lettsomia, but it involves many unfamiliar names. This classification 

 has been indicated under Ipomaaa. 



1. Erycibe, Roxb. 



1. E. paniculata, Roxb, Urnmin, Hnrmi, K, ; 

 Kari, 8. 



A large climbing shrub with conical protuberances on the 

 trunk, riisty-tomentose shoots, entire oblong, rarely oblan- 

 ceolate or obovate, acuminate leaves about 5 by 1J" and 

 terminal rusty-tomentose cymose panicles of yellowish- white 

 flowers J* diam. with crisped emarginate petals. Berry 

 black |" with dark-purple flesh, seated on the spreading 

 persistent calyx. 



460 



