1837.] 



of the Peninsula of India* 



17 



ID 



CONVOLVULACEJE. 



Clam's of the Genera. 



Embryo, without cotyledons 15 Cuscuta. 



with cotyledons. A. 



^ 5 Fruit, a dry berry. B. 



I capsular. C. 



£ 5 Ovarium, 4 celled 1 Rivea. 



i 2 celled. 2 Argyreia. 



q S Styles, single undivided. D. 



I single and bifid, or 2 styles. K. 



r Ovarium, 4 celled. E. 



3 celled . .... 5 Pharbitis. * 



2 celled. F 



C _ _ i celled. I. 



r Corolla infundibuliform: stamens ex- 



E < serted 3 Quamoclit* 



f carnpanulata : stamens included. 4 Batatas. 



p 5 Stamens exserted, coroll. infundibuliform 6 Galon yction. 



C included. G. 



q 5 Lobes of stigma, globose. H. 



I — — — filiform or terete 8 Convolvulus. 



^ Sepals, verticillate . . 7 Ipom^ea. 



H < inserted, some lower down than 



(■ others «... 9 Aniseia. 



9 



✓ Lobes of stigma, flattened — ovate ..... .*10 Hewittia (W&.A). 



I < — — — globose, sepals enlarg- 



' ed after flowering 11 Porana. 



tt $ Styles 1. bifid: anthers included........ 12 Breweria. 



( 2,L. 



^ Styles, undivided : stigmas globose, an- 



L < thers exserted 13 Cressa. 



C each bifid 14 Evolvulus. 



Clavis of the Species, 

 1. Rivea. CL 



Corolla inflated, cylindrical 1 R. tilisefolia, ch. 



with limb spreading, a. 



Corolla hypocraterif., tube equal, narrow, 



peduncles 1 flowered 2 R. hypocraterif, Letts, 



infundibulif., tube wider upwards, 



peduncles 3 flowered or with 2 lateral 



abortive ones 3 R. bona-nox» 



* 10 Shuteria Ch, (not W. & A.) 



