400 TETRANDRIA MONOGYNTA, Pladera. 
»§, E. suleatum. Re 
~ Annual, erect, ramous, sulcated on the opposite sides of f the 
stem and branches. Leaves sub-sessile, lanceolate, fleshy, 
three-nerved. Calyx with four ridges. Stamens erect, a 
sules- globular. 
A native of Bengal ; blossoms during the cool season ; the 
* seeds ripen in March. 
Root fibrous, anual. Stem erect, from six to twelve inches 
high, smooth, suleated on opposite sides. Branches opposite, 
their flower-bearing extremities two, and three times two- 
cleft. Leaves opposite, sub-sessile, lanceolate, fleshy, entire, 
three-nerved ; from one to two inches long. Flowers terminal, 
numerous, of a bright blue colour, those in the divisions of the 
_ branchlets long-peduncled. Peduneles four-sided. Bractes 
ovate, recurved. Calyx deeply four-parted ; ‘divisions with 
an ample keel. Filaments short, inserted in'the mouth of the 
tube of the corol. Anthers ovate, oblong, touching at the 
sides, apices perforated. Style longer than the stamens, de- 
clined ; stigma two-lobed. Capsule globular, two-celled, 
swo-val ved, Seeds numerous. 
» Obs. This is a very beautiful small plant. 
PLADERA. Solander’s Mss. 
Calyz cylindric, four-toothed. Corol fannel-shaped, border 
irregular. One of the stamina larger. Stigma two-lobed. 
— san ang: one-celled, two-valved, Seeds ss Ga 
ey sessilifiora. R : 
- Annual, erect, four-sided ; angles winged. Leaves oppo- : 
site, sessile, ovate, entire, Floveeasuibidias 3 
~ Exacum heteroclitum. Linn sp, pl. ed. Willd. i. p. 639, 
- Gentiana heteroclita, Mant.560.  ~ 
Bs native of Coromandel and Sebaalaiipeaiiiin moist pat 
- thre 07 i ; 
