134 LYTHRACEJE. (LOOSESTRIFE FAMILY.) 
2. AMMANNIA, Houston. 
Calyx globular or campanulate, 4-angled, 4-toothed, the sinuses commonly 
furnished with a small horn-shaped appendage. Petals 4, small, deciduous, — 
sometimes wanting. Stamens 4, short. Stigma capitate. Capsule globular, 
4-celled, many-seeded. — Low smooth annual herbs, with opposite leaves, and 
solitary or clustered axillary flowers. 
1. A. humilis, Michx. Stem branching from the base; leaves lanceolate, 
tapering into a petiole ; flowers solitary ; style very short ; petals 4, purplish. — 
Varies with the leaves dilated and somewhat cordate at the base, and the lower 
flowers clustered. (A. ramosior, Michx.) — Ditches and muddy places, Florida 
to Mississippi, and northward. August and September. — Stem 6/-12! high. ' 
2. A. occidentalis, DC. Stem nearly simple, ascending, rooting at the 
base ; leaves lanceolate, narrowed into a petiole; flowers solitary, apetalous ; 
calyx 8-toothed. 
Var. pygmeea. Stem very'short (}/-1! long); sinuses of the calyx ap- 
pendaged, emarginate, as long as the teeth; style short. — Key West, Dr. 
Blodgett. — Leaves obtuse. Stem 1 - 6-flowered. 
3. LYTHRUM, L. LOOSESTRIFE. 
Calyx cylindrical, striate, 4 — 7-toothed, usually with minute appendages in the 
sinuses. Petals 4-7. Stamens as many as the petals, or twice as many, in- 
serted on the lower part of the calyx, nearly equal. Capsule oblong, 2-celled, 
many-seeded. — Herbs, with opposite or alternate leaves, and axillary purple or 
whitish flowers. 
1. L. alatum, Pursh. Smooth; stem and virgate branches 4-angled; 
leaves lanceolate, acute at both ends, opposite, the uppermost alternate, and 
shorter than the flowers; petals and stamens 6. — Varies with branches shorter, 
leaves larger (2/ long), broadly lanceolate, sometimes whorled, the uppermost 
twice as long as the calyx. (L. lanceolatum, Ell.) — Swamps and river-banks, 
Florida and northward. vm PAPE — Stem 29-49 high. Flowers 
violet-purple. 
2. L. lineare, L. Smooth; stem 4-angled, much branched ; leaves all 
opposite, linear; flowers small, whitish; petals and stamens 6. — Brackish 
marshes, Florida and northward. Xue — Sut 20-49 high. Calyx-teeth 
short. 
4. NESZEA, Commerson. 
"yeast berici or campanulate, with 4 — 7 erect teeth, and as many longer 
and spreading horn-like appendages in the sinuses. Petals 4-7. Stamens 
twice as many as the petals. Capsule globose, 3 — 4-celled. — Perennial herbs 
or shrubby plants, with opposite or whorled leaves, and clustered lees 
. flowers in their axils. : 
o NN. Mes H.B.K. ‘Shas one pis arit eet 
