96 DIDYNAMIA ANGIOSPERMIA. ColuVtinea. 



A native of Coromandel, where it appears during the 

 rainy season. 



3. T. liians. 



Annual, creeping*, four-sided. Leaves petioled, cordate, 

 serrate. Flowers axiUary, solitary, peduncled. Calyx five- 

 winged. Stupna of two large, round, cordate lobes. 



A native of Amboyna, Chittagong-, &c. It flowers in the 

 Botanic garden about the close of the rains ; when its numer- 

 ous, large, beautiful dark blue violet flowers are highly or- 

 namental. 



4. T. multtflora. 



Annual, erect, ramous, four-sided, smooth. Leaves oppo- 

 site, oblong, sub-serrate. Flowers terminal. C'a?»/a' five- part- 

 ed. Carol bilabiate, superior filaments, with a sterile branch. 

 Capsules ovate. 



A native of Bengal, appearing in the rainy and cool sea- 

 son. 



5. T. varians. 



Annual, erect, four-sided, smooth. Leaves opposite, pe- 

 tioled, cordate, ovate, serrate. Flowers axillary, solitary. 

 Calyx five-toothed. Carol ringent. Longer filaments, with a 

 sterile branch. A native of Coromandel and Benoal, where it 

 appears during the rainy season. 



6. T. vagans. R. 



Straggling, smooth. Leaves ovate, oblong, serrate. Flow- 

 ers axillary, long-peduncled. Calyx winged, both lobes 

 acute and entire. 



An extensive rambler, a native of Chittaffonsf, where it de- 

 lights in moist shady places. 



Flowers large and blue, they appear in greatest profusion 

 in October. 



