| Ammannia. TETRANDRIA MONOGYNIA, | 447 
Annual, erect, brachiate, four-sided. Leaves sessile, ‘narrowesu- 
gittate; peduncles from two to three-flowered ; flowers octandrous. 
Capsule four«celled. 
Ammannia octandra, Suppl. Plant. p. 197. 
` Annual, native of moist " appearing in the rainy -— pA 
seasons. 
Root. fibrous. Stain straight, four-sided, shit: from one. to. 
three feet high.— Branches numerous, cross-armed, and like the 
stem.— Leaves opposite, sessile, linearly-sagittate, smooth, margins 
a little revolute, from one to two inches long, and about a a quarter 
of an inch broad.— Peduncles axillary, very short, from two to three- 
flowered.— Flowers small, colour a beautiful bright red.— Bractes 
minute .— Calyz- and corolas in the genus. — Filaments as ‘long as 
ihe corol. Anthers incumbent. 
3. A. multiflora. - 
Erect, four-sided, ramous branches simple. Leaves sub-sagittate, - 
stem-clasping. Peduncles from three to seven-flowered; petals large ; : 
capsule one-celled. 
A native of open lands about Calcutta, — loin six to twelie 
inches in height, appearing in the wet and cold seasons. 
Stem straight, four-sided ; angles sharp ; sides convex. Branches. 
cross-armed, Leaves opposite, decussate, horizontal, sessile, | linear 
with enlarged cordate, stem-clasping base, size very various. Pe- 
duncles axillary, almost always solitary, about as long as the smaller ; 
leaves, generally three-flowered, though in the luxuriant plants there 
‘are often two or three, with one between, the lateral flowers have - 
pretty large long pedicels,—Calyz as in the family.— Petals large, | A 
roundish, red.— Capsule one.celled, one-valved, receptacle globular, E 
p. at the base only. 
4. A. vescicatoria, R. i 
Erect, ramous, branches undivided. Leaves opposite, sessile, [om 
ceolar, -Flowers axillary. Corol none. Capsule one-celled. 
