LYTHRACE.E. 87 



1- n. NuTrMJJi- Stems leafy, immersed. Leave* linear, acute, the up- 

 permost shorter and broader, obtuse- Flowers very small. Stanu-ns 2-4 

 flhoiler than the Calyx. fVater Purtlant 



July — Aug. In still waters, near Culloden- 12 -20 in 



Gkxts IL AMMANNIA- 



Cah/x 4-lobed witli 4 intermediate lobes produced in the 

 sinuses. Petals 4 or none. Stamens generally 4, sometimes 

 8. Ocary 2— 4-celled. Capsule included in the calyx. Seeds 

 numerous, herbaceous annual j)lants. Stems squiuc ; leaves 

 opposite. Flowers axillary, with small petals ; growing in 



wet places. 



1. A. Latifoua- Stem erect, branching. i<'air.« linear, lanceolate, dila- 

 ted at the base, sessile- Flowers 1--5 in each axil. Cali^x angled, with 4 short 

 intermediate lobes- Petals 4. St^imms 4. Cupside 4-celled. 



Purple. O July— Aug Near Macon. 10-20 in. 



2. A, Ramosiok. Stem erect, somewhat coliunnar, succulent glabrous 

 Leaves nearly sessile, narrow, lanceolate, more or less cordate. Flowers ax- 

 illary, the lower ones several in each axil, the upper solitary. Petals small. 

 St'irri'ns 4. Capsule globose, furrowed. Seals numerous. 



Pule purple. August — Sept. Wet places. 1-2 feet. 



3. A. II !;n"':<5. 5/f7n erect, quadrangular, glabrous, sometimes branched. 

 /.' ■1,^, 0, obtuse, tapering at the base, i^/ou-er* solitary, axillary. 



*S:''jj: \ . .. . .. Tt intermediate segments. Pe/'//* 4, obovate. Stigma capi- 

 tate, neariv sessile. Capsule 4-cellcd, Seeds numerous. 

 Wliiu^. O On the coast. Sept. Oct. 6-10 in. 



Genus HI. LY THRUM. 



Calyx cylindrical, with 4-6 short teeth, and generally with 

 as many intermediate processes. Petals A-6. Stamens Qqu-x]^ 

 or twice as many in nutnber as the petals, inserted into the 

 calyx. Style filiform, Capsule 2-celled, many seeded, inclos- 

 cd in the calyx. Herbaceous glabrous plants, with entire 

 leaves. 



1. L. LANCEOLATtTii. S/^OTcrect, ciuadrangular, slightly margined, branch- 

 es lont? near the summit, slender, glabrous. Leaves lanceolate, acute, sessile, 

 the stem, alternate, and crowned on tlvi brandies. Flowers soli- 

 ■V. Calyx t'urrowed. Petals 6-oblong, double the length of 

 ^ 'nens 6. Capsule oblong. 

 i ., J July — Aug. Ditches, swamps. 3—4 feet. 



*. L. Alatl'm. Stem glabrous, quadrangular, slightly winged. Leaves 



opposite. — ' • . on short petioles. F/oiocrs axillary, sohtary. Calyx 



striate. Capsule cylindrical. 



Brigh'. ^u.'^jj.L. -r- June— July. Lower Georgia. 3.-4 feet. 



3. L. Li.vEARE- Stem glabrous, slender, virgate, branched at the summit, 

 angular margmed. Ijeavrs linear, acute, generally opposite, upper ones 

 amallesL Flowers axillary, soUiary, small. Calyx somewnat striate. Petals 

 C SteainuG. 



Nearly white. %. July— Aug. On the coast. 3-4 feel. 



Genus IV. DECODON. 

 Calyx campanulate, with 5 erect teeth, and 5 subulate, 



