Exgcum. TETRANDRIA MONOGYNIA, — 399 
sides, three-nerved, from one to three inches long. Racemes 
terminal, and opposite from the exterior axills, the whole form- 
ing an expanded corymbiform panicle. Peduncles and pedicels 
four-sided, smooth. lowers numerous, large, of a violet co-. 
Jour. Calyx five-cleft ; divisions with a broad membranace- 
ous wing, on the hot. and a long subulate point. Corol ;” 
tube gibbous, length of the calyx, some short filaments. 
amongst the insertions of the stamina crown the mouth of the 
tube. Border of five, obovate, beautiful, violet-coloured di- 
visions. Filaments on the mouth of the tube, erect, Anthers 
linear, with two pores at the top, and also opening onthe — 
sides, Style declining, rather longer than the filaments. Stig-, 
ma headed. Capsule potions. two-celled. - 
Obs. The anthers remain straight, and hard, with two. ; 
pores at the top, and also bursting by two longitudinal open-. 
ings on the sides, I have for that reason remoyed this plant. 
from the genus Chironia, the essential mark of which spree 
in its ‘spiral anthers, 
A Ez. ‘carinatum. R 
Annual, erect. Leaves sub-sessile, lanceolate, Deeniceed - 
Corols four-cleft, Calyces broad, membranaceo-carinated. 
Stamens protruded. Style declined. 
A native of Ceylon. 
_ Root ramous, annual, Siem erect, with one or ‘two oppo- 
site pairs of branches about the middle; above these dichoto- 
mous, somewhat four-sided, smooth, geen six to twelve inches. 
high, Leaves opposite, short-petioled, lanceolate, entire, three- 
nerved. Flowers terminal, numerous, pretty large, yellow, _ 
collected on dichotomous corymbs, with a long peduncled : 
one in each of the, divisions. Calyx four-parted, each division 
a ted. by a broad. membranaceous keel on the back. 
Corol /four-parted. Filaments short, inserted ona membra- 
naceous rim round the inside of the inouth of the tube, 4n- 
thers erect, yellow, opening on the sides, Style longer than 
the ‘stamens, declined. Stigma ascending, simple, 
