96 DIDYNAMIA ANGIOSPERMIA. Columnea, 
* 
A native of Coromandel, where it appears during the 
rainy season. 
3. T. hians. 
Annual, creeping, four-sided. Leaves petioled, cordate, 
serrate, Flowers axillary, solitary, peduncled. Calyx five- 
winged, Stigma 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 fii are’ cia or- 
namental, 
4, T. multiflora, i 
Annual, erect, ramous, four-sided, smooth. Leaves oppo- 
site, oblong, sub-serrate. Flowers terminal. Calyx five-part- 
ed. Corol 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- * a 
tioled, cordate, ovate, serrate. Flowers axillary, solitary. 
Calyx five-toothed. Corol ringent. Longer filaments, with a 
sterile branch. A native of Coromandel and = where it 
appears — the rainy season, 
4 pagans. R. iy , 
Straggling, smooth, Leaves ovate, oblong, serrate. Flow- 
ers axillary, long-peduncled, Citys winged, both lobes 
acute and entire, 
An extensive rambler, a native of Chittagong, where it de- Ei 
lights in moist shady places, 
Flowers large and blue, they appear in greatest profason 
in October, _ 
