Ruellia. DIDYNAMIA ANGIOSPERMIA, 51 
Roots often biennial. Stems herbaceous, ascending, or 
erect, ramous, jointed, a little flattened, hairy, from two to 
three feet high. Branches opposite, like the stem, and also 
nearly erect, Leaves, an exterior, opposite, sessile pair 
at each joint, within these, and sub-alternate with the spines, 
several small ones in a verticel; all are linear-lanceolate ; 
margins often revolute, hairy, T may almost say bristly ; 
size various. Spines six in each verticel, between the leaves 
and flowers, awl-shaped, spreading, and a little recurved. 
Flowers verticelled, numerous, sessile, large, of a bright-blue, 
or in some varieties, rose-coloured. Bractes lanceolate, mar- 
gins’ and outside bristly. Calyx of two pairs of nearly 
equal leaflets, clothed with soft hair. Corol two-lipped ; 
lips nearly equal ; upper two-parted, with the division emar- 
ginate; the under one three-parted, with the divisions also 
emarginate, in the under a coloured body like a large oblong 
anther. £ilaments connected at the base ; second pair larger 
than usual in the genus. Anthers sagittate, Stigma subulate, 
involute, with a fissure on the upper side. 
19. R. hirsuta, R. 
‘Annual, erect, Leaves lanceolar, entire, hirsute. Flowers 
sessile, crowded in both axills. Bractes numerous, nay 
and with the five acute segments of the calyx very oe 
A native of Chittagong, 
20. R. obovata. R. 
Annual, Leaves short-petioled, from oval to obovate, cu- 
neate, obtuse, hairy. Flowers axillary, crowded, sessile. 
Bractes and calyx antes Corol — Capsule cylin- 
Nir schulli. Rheed, Mal, ii, t. 46. 
Found in moist situations in the province of . Chistagotig: 
Flowers about the close of inthe nt eee 
a March. © 
greg mach eta wih Van Rh 
BSS 7 
