~ 
48 DIDYNAMIA ANGIOSPERMIA. — Ruellia. 
A shrubby species, a native of the mountains, Stems se- 
veral, woody, straight, spreading, round, smooth, jointed ; 
lenoth and thickness various, Bark light, ash-coloured. 
Branches few, stem-like. Leaves opposite, petioled, ovate, 
serrate, pointed, pretty smooth. Peduncles axillary, so- 
litary, one-flowered, or in luxuriant plants they are on small 
axillary racemes, like leafy branchlets. Bractes two, oppo- 
site, sessile, cordate, pointed, concave, chiefly veined ; with- 
in them the proper five-parted perianth ishid. Flower white, 
large. Corol; tube gibbous; border sub-equal. Anthers 
twin, the lower point of each ends in an incurved spur. Cap- 
sule oval, two-seeded. 
14, R. fasciculata, Willd. iii. p.1.369. 
Suffrutex, very ramous, diffuse. Leaves sub-rhombiform, 
ent, pointed, serrate. Spikelets sub-panicled. Corols 
tingent; tube gibbous ; anthers twin. 
A small, diffuse, very ramous, under shrub, a native of the 
hilly country. Flowers during the cold season. 
Root perennial, Stems and Sraackas numerous, and are so 
intermixed that there is no making a distinction ; diffuse, those 
next the ground strike root at the joints, four-seeded, a little 
hairy, from one to two feet long. _ Leaves opposite, petioled, 
oblong, pointed, with the anterior margins serrate, running 
down to near the base of the petiole, a little downy, from 
two to three inches long, and from one to two broad, Spike- 
lets ovate, small, numerous, panicled, peduncled, axillary, 
and terminal, Bractes lanceolate, imbricate. Flowers nu- 
‘merous, small, white. Corol grinning ; éxbe bellied, contract- 
ed at the mouth ; upper lip short, emarginate ; the under one 
broader and three-parted, Filaments inserted into the mouth 
of the tube. Anthers twin, the superior pair oblong, and 
placed laterally ; the inferior globular, one above the other. 
15. R. imbricata, Willd. iii. 366. ? 
 Sohemeeg diffuse. Leaves long-petioled, obliga ovate. 
