Ranunculus, polyandria polygynia. 671 



A native of the interior of Bengal, flowers about the close 

 of the rains ; in the environs of the ancient city of Gour, it 

 forms with Parana panicula extensive, lovely festoons. 



THALICTRUM. Screb. gen. n. 951. 



Gen. Char. Calyx none. Coro/ of four or five petals ; 

 styles, persistent. Seeds without a tail, 



1. T. hracteatum. R. 



Perennial, scandent. Leaves opposite and three-fold, 

 bi- and tri ternate; leaflets long, cordate, ovate, entire ; pe- 

 duncles axillary, solitary, one-flowered, with two opposite 

 cordate bractes above the base. 



I received this very elegant, small, scandent, plant 

 from Dr. Carey, who found it indigenous in the north- 

 ern parts of Bengal. Flowering time the end of the cold 

 season. Root perennial. Stems herbaceous, scandent, 

 round, smooth, scarcely so thick as a pack thread and 

 from two to four feet long. Leaves opposite or three-fold 

 between bi- and tri-ternate ; leaflets of an oblique, ovate, 

 oblong, cordate shape, entire and smooth on both sides, 

 size various, the largest seldom more than an inch long. 

 Peduncles axillary, solitary, erect, one-flowered, with two 

 opposite cordate bractes above the base. Petals four or 

 six lanceolate, expanding, very pale blue. Stamens, one- 

 fourth or one-fifth the length of the petals. Germs from 

 fifteen to twenty. Styles scarcely any. Seeds with a sharp 

 stifl' back. 



RANUNCULUS. Schreh.gen. n. 953. 



Gen. Char. Calyx five-leaved. Petals five, with a 

 honey-bearing pore within the claw. Seeds naked. 



R. indicus. R. 



Erect, annual; calyces spreading; powers many, termi- 



