Polygonum. octandria trigynia. 289 



7. P. chinense. Willd. 2. 453. 



Scandent, flexuose. Leaves oblong, with truncate 

 base, Bractes ear-shaped. Peduncles terminal, sub- 

 panicled ; floivers in globular pedicelled heads. 



A native of the eastern parts of Bengal. Flowers in 

 February, March, and April. 



8. P. cymosum. R. 



Shrubby, scandent, ramous. Leaves ovate-lanceolate, 

 entire, acute, smooth. Cymes terminal ; flowers in small 

 heads, octaudrous. 



A native of Chittagoug, where it flowers in April. 



Sect. 2. Style three-cleft. Seed three-sided. 



9. P. tenellum. R. 



Annual, flaccid, ramous. Leaves lanceolar, with beard- 

 ed sheaths. Racemes filiform, fascicles of flowers remote. 

 Tube of the corol internally ribbed. Stamens from seven 

 to eight. Styles three. Seed three-sided. 



Found in ditches, &c. low wet places all over Bengal. 

 Flowering time the rainy season. 



Root fibrous, often biennial, if not perennial. Stems 

 several, ramous, weak and straggling, slender, and 

 smooth. Leaves subsessile, lanceolar, entire, smooth. 

 Stipules on the outside furrowed, otherwise smooth, hav- 

 ing their mouths crowned with long distinct filaments. 

 Racemes terminal, often subpanicled, filiform. Bractes 

 rather remote, obliquely truncated, ciliate, outside glan- 

 dular. Flowers small, white. Corol, the mouth of its tube 

 contracted with ridges, alternate, with the insertions 

 of the filaments. Stamens eight. Styles three. Seed 

 three-sided. 



10. P. barbatum. Willd. 2. 447. 

 Branches erect, ramous, smooth. Xeaves lanceolar, 

 smooth. Stipules bearded, and hairy. Racemes twiggy, 



K k 



