398 TETRANDRIA MONOGYNIA. ExttCWH. 



litary, short-peduncled, large, of a beautiful white and blue 

 colour. 



2. E. tetragonnm. R. 



Annual, simple, erect, four-sided. Leaves sessile, lanceolate, 

 five-nerved, flowers numerous, terminal. Stamens and style 

 declinate. 



Beng. Kooehuri. 



A native of Bengal, where it grows among long- grass ; and 

 flowers during 1 the rains. 



Stem erect, simple, exactly four-sided, smooth ; from two to 

 three or even four feet high. Leaves opposite, decussate, ses- 

 sile, lanceolate, five-nerved, smooth and shining, from two 

 to four inches long. Floiccrs terminal, numerous, large, of 

 a most beautiful blue colour, inodorous. Calyx divided near- 

 ly to the base into four, daggered segments. Corol, segments 

 oblong, acute, spreading. Filaments on the tube of the corol, 

 short. Anthers linear, bending to one side, with two pores at 

 the top, for the discharge of the pollen, as in Cassia. Germ 

 oval, i^tyle projecting obliquely with the stamina; stigma 

 enlarged. Capsule two-celled, two-valved. Seeds numerous. 



Obs. This is one of the most elegant plants I have met with, 

 the flowers being not only numerous, large, and beautiful, 

 but retaining their beauty and expansion for many days, 

 which is a rare circumstance in an Indian plant. 



3. E. zeylanicnm. R. 



Annual, pentandrous. Leaves opposite, sub-sessile, lanceo- 

 late, three-nerved. Flowers five-cleft. Calyx with five, 

 broad membranaceous wings with subulate points. 



Chironia trinervia. Linn. sp. pi. ed. Willd. i. 1065. 



Lysimachia folio sinuato, acuminato trinervio, flore coeru- 

 leo, amplo calyce carinato, alato. Burm. Zeyl.p. 145. /. 67. 



A native of Ceylon. 



Stem erect, somewhat four-sided, smooth, annual. Leaves 

 opposite, short-petioled, lanceolate, entire, smooth on the 



