520 JUNCACEiE. (bush FAMILY.) 



3. L. CarolinaB, Watson? Villous; lowest loaves broadly liucar, as 

 long as till' stem ; stem leaves :?, short (T long), distant ; umbel nearly sinijile, 

 the setaceous hranelies spreading or dronping, 1-flowered; sepals ovate-lauce- 

 olate, very acute, as long an llui ovate-aeule capsule ; seed uot appendaged. — 

 Shaded rocks ou the mouutaius of Georgia. Ai)ril. 



2. JUNCUS, L. Ulsii. 



Outer .sepals keeled. Stamens ;! or tj. Style very short : stigmas villous. 

 Capsule 3-celled, or im])erfectly ;3-celled ; the partitions adherent to the valves, 

 and hearing the jdacenta; at their inner edges. Seeds numerous, ofteu ap- 

 pendaged, horizontal. — Chiefly ])erennial. Leaves alternate, often knotted 

 by cross partitions. Flowers mostly green, clustered, cymose, or panided. 



§ 1. Stems scape-like, jointless, sheathed or leafij at the base: stamens 6. 



* Panicles lateral: stem sheathed at the base. 



1. J. effusus, L. Stem soft and spongy ; sheatlis dark brown ; panicle 

 diffuse or contracted ; flowers single ; se])als lanceolate, as long as the obovate 

 obtuse obscurely .3-angled light brown capsule. — Bogs and swamjjs; common. 

 May -Sept. — Stems tufted, 2° -4° high. 



* * Panicles lateral : stem leaf// at the base: leaves terete. 



2. J. setaeeus, TJostk. Stem and leaves slender ; sheaths light brown ; 

 panicle simple, fow-tiowered ; flowers single ; sepals rigid, lanceolate-ovate, 

 rather longer than the globose-pointed green capsule. — Low grounds and 

 swamps. May -July. — Stems growing in small tufts, l°-3° high. Cap- 

 sule coriaceous. 



3. J. Roemerianus, Scheele. Stem and leaves stout and rigid, hard- 

 pointed ; ]ianicl(; conijjound ; flowers small, 4-8 in a cluster, dicecious ; sepals 

 lanceolate, as long as the small obovate obtuse dark brown cajisule. — Rrack- 

 ish marshes along the coast. April - May. — Stem 4° - 5° high. 



* * * Panicles terminal, forking/ : leaves rhanneUed or grooved ; the upjier ones 

 forming an involucre under the panicle : flowers single. 



4. J. tenuis, Willd. Stems tough, not tumid at the base, several-leaved ; 

 leaves narrowly linear, channelled; involucre longer than the panicle; sepals 

 lanceolate, very acute, one tliird longer than the ovoid capsule. — Low grounds. 

 May -June. — Stem 6'- 12' high. Panicle small, the flowers mostly on one 

 side of the branches. Capsule light green. 



."). J. dichotomus, Ell. Stem tumid at the base, 1 - 3-leaved ; leaves 

 filiform, nearly terete, slightly grooved on the inner side; involucre mostly 

 shorter than the cymose ])anicle ; sepals rigid, ovate-lanceolate, very acute, as 

 long as the globose dark green capsule. — Low grounds, Florida to North 

 Carolina. May -June. — Stem l°-3° high. Panicle dense or elongated. 



6. J. Gerardi, Loisel. Stem terete (l°-2°high) ; leaves linear ; panicle 

 contracted ; sej)als oval-ol)long, obtuse, tlie margins brown, rather longer than 

 the oval light broA\n capsule. — Salt marshes, Florida, and northward. 



