JExacum. TETRANDRIA MONOGYNI&. 413 



EXACUM. Schreb. Gen. N. 1S5. 



Cali/x four-leaved. Corol salver-shaped. Capsule superior, 

 two-celled, two-va!ved. Seeds many. 



1. E. hicolor, R. 



Aunual, erect, four-sided. Leaves sessile, ovate, five-nerved. 

 Flozcers axillary, apices of the segments of liie corol blue, liie rest 

 NvLile. Aiilhers erect. 



A native of Cutlack, where it appears during the cool season. 



Root almost simple. — Stem erect, biancii}, four-sided ; angles 

 somewhat wmged, from one to two feet higii. — Leaves sub-sessiie, 

 opposite, ovai, iive-uerved, siiiooiii, size very various. I'iural leaves 

 small aiiduanow. — i'luzcers axiliary, soiilaiy, short peduucled^ lii'ii<i, 



of a beautiful w bite and blue colour. 



« 



2. E. ietiagonuin, R. 



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

 nerved. F/ozcers numerous, terminal. Stamens and stj/h decimate, 



Feng. KoocljMii. 



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

 ers during the rains. 



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

 three or even four feet high.— learns opposite, decussate, sessile, 

 lanceolate, live-nerved, smooth and shining, from two to lour inches 

 \ou^.- F/uzcers terminal, numerous, large, of a most beautiful blue 

 colour, in odorous.— C«/j/T divided nearly to the base into four, dagger, 

 ed se'^'^mcnts. — Cora!; segments oblong, acute, spieading, — 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 Cas- 

 sia.— Gem oval. Style projecting obliquely uith tlie stamina; stig- 

 ma enlarged.— CcpsJ//e two-celled, two-valved — Seeds numerous. 



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

 flowers being not only numerou?, large, and beautiful, but retaming 

 their beauty and expansion for many days, which is a rare circum- 

 stance in an Indian plant. 



