52 DIDYNAMIA ANGIOSPEKMI A. KuelUa. 



figure above quoted, tlinn the short descriptions of R. diffor- 

 mis, SiippL 280. Willd. iii. ;374. 



21. B. nlif/inosa. Willd. iii. 371. 



Annual, diffuse. Leaves opposite lanceolate. Spikes ter- 

 minal, four-sided. Floicers opposite, with three orbicular 

 bractes to each. Carols ringent. Capsules linear; seeds nu- 

 merous. 



Is very common on dry rice grounds, during the dry sea- 

 son. 



Stem annual, weak, straggling, ramous, four-sided, joint- 

 ed, smooth, of a purplish colour, about a foot long. Branches 

 opposite, and like the stem. Leaves opposite, remote, ses- 

 sile, lanceolate, entire, smooth, size various, often coloured. 

 Spikes terminal, long, four-sided. Flowers opposite, decus- 

 sated, blue, each embraced by the sessile, orbicular bractes. 

 Calyx five-cleft. Carol ringent. Anthers two-cleft at the 

 base. Stigma simple. Capsule linear, oblong. Seeds nu- 

 merous, small, round, of a shining brown. 



22. R. iriflora. R. 



Annual, creeping, hairy. Leaves cordate, serrate, or pin- 

 natifid. Flowers verticelled. Corols ringent. Seeds nu- 

 merous. 



A native of ditches, low ground, &c. in Bengal; it ap- 

 pears during the cold season. 



Steins creeping, with leaf and flower-bearing extremities, 

 erect, hairy. Leaves opposite, the most inferior longer- petiol- 

 ed, ovate-cordate, serrate, hairy, from one to two inches long. 

 Floicers axillary, three-fold, one a common short peduncle, 

 pretty large and of a pleasing deep-rose, or purple colour, 

 ^rac^es oblong, hairy, four or five to each fascicle of flowers. 

 Calyx hairy, five-parted; divisions long, narrow and acute. 

 Coro/ ringent ; upper lip vaulted, two- parted ; the under one 

 expanding, broader, three-parted. Anthers bifid. Stiyma 



