174 trtandria monogynia. Commelina. 



ed brandies, with their flower-bearing extremities sub-erect. 

 Leaves alternate, sessile, linear, sheathing', smooth, excepting 

 a few fine hairs about the mouths of the sheath. Racemes 

 terminal, long-peduneled, corymbed, bearing on their upper 

 side many small blue flowers in succession. Bractes solita- 

 ry, one-flowered, concave, caducous. Calyx three leaved, 

 equal. Corol of three, obovate, equal, blue petals. Nectari- 

 al filaments with a very few, moniliform, blue hairs; corpus- 

 cles two, clavate. Filaments three, two of them ascending, 

 larger, and thicker, well clothed with beautiful jointed blue 

 hairs. Anthers blue, oval, the third filament sterile. Style 

 short, ascending. Capsules three-celled, with two scabrous 

 seeds in each. 



7. C. cespitosa. R. 



Polygamous, creeping. Leaves lanceolate. Spathe cordate, 

 peduncled, few-flowered ; petals nearly equal. Capsules 

 three-celled, with one or two seeds in each. 



A native of Chittagong, from thence the plants were sent 

 to the Botanic garden by Mr. W. Roxburgh. It is in blos- 

 som most part of the year. 



Stems and branches numerous, slender, smooth, jointed, 

 creeping close over a space of some feet and striking deep 

 root at the joints. Leaves alternate ; sessile on their smooth 

 cylindric sheaths, ovate-lanceolate, the upper ones narrow- 

 er and longer; all are entire, and smooth on both sides. 

 Sheaths, besides the usual leaf-bearing one, there is a second 

 or inner annular one wherever there is a peduncle. Pedun- 

 cles solitary, leaf-opposed, about an inch long, round, and 

 smooth. Spathe cordate, or rather semi cordate, in their na- 

 tural folded state, each embracing two common pedicels; the 

 superior one bearing two, three, or four, pedicelled male 

 flowers; and the lower about as many hermaphrodite ones; 

 all blossoming in succession. Calyx of three, equal, obovate, 

 concave, pale blue, pellucid leaflets. Petals three; the up- 

 per two reniform and pedicelled ; the lower one cordate, anu 



