520 JUNCACE.-E. (RUSH FAMILY.) 



3. L. Carolines, Watson ? Villous ; lowest leaves broadly linear, as 

 long as the stem ; stem leaves 3, short (!' long), distant ; umbel nearly simple, 

 the setaceous branches spreading or drooping, l-flo\vered; sepals ovate-lance- 

 olate, very acute, as long as the ovate-acute capsule ; seed not appeudaged. 

 Shaded rocks on the mountains of Georgia. April. 



2. JUNCUS, L. RUSH. 



Outer sepals keeled. Stamens 3 or 6. Style very short : stigmas villous. 

 Capsule 3-celled, or imperfectly 3-celled ; the partitions adherent to the valves, 

 and bearing the placentae at their inner edges. Seeds numerous, often ap- 

 peudaged, horizontal. Chiefly perennial. Leaves alternate, often knotted 

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



1. Stems scape-like, jointless, sheathed or l< nf// at the base: stamens 6. 

 * Panicles lateral: stem sheathed at the base. 



1. J. eflfusus, L. Stem soft and spongy ; sheaths dark brown; panicle 

 diffuse or contracted; flowers single ; sepals lanceolate, as long as the obovate 

 obtuse obscurely 3-angled light In-own capsule. Bogs and swamps; common. 

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



* * Panicles lateral: stem leafy at the base: leaves terete. 



2. J. setaceus, Kostk. Stem and leaves slender ; sheaths light brown ; 

 panicle simple, few-flowered ; 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 ; panicle compound ; flowers small, 4-8 in a cluster, dio-cious ; sepals 

 lanceolate, as long as the small obovate obtuse dark brown capsule Brack- 

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



* * * Panicles terminal, forking : leaves channelled or grooved ; the upper ones 

 forming an involucre under the panicle : flowers sinqlr. 



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 third longer than the ovoid capsule. Low grounds. 

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

 side of the brandies. Capsule light green. 



5. 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 panicle ; 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-2high) ; leaves linear ; panicle 

 contracted ; sepals oval-oblong, obtuse, the margins brown, rather longer than 

 the oval light brown capsule. Salt marshes, Florida, and northward. 



