494 JUNCACE^E. (RUSH FAMILY.) 



very acute, as long as the globose dark green capsule. Low grounds, Florida to 

 North Carolina. May and June. Stem l-3high. Panicle dense or elon- 

 gated. 



2. Stems jointed, leafy clusters or panicles terminal. 

 * Leaves terete or somewhat flattened, knotted: stamens 3. 



6. J. scirpoides, Lam. Kigid ; stem stout, erect ; leaves terete, panicle 

 erect, contracted, the few large globose green or brownish heads composed of 

 several more or less distinct smaller ones ; sepals lanceolate-subulate, as long as 

 the lanceolate taper-pointed 3-angled capsule ; seed ovoid, reticulated, without 

 appendages. (J. echinatus, Ell.) Varies with the smaller more numerous and 

 crowded heads conspicuously lobed by the more distinct clusters, and with 

 broader and shorter sepals and capsules. Sandy swamps, Florida to North 

 Carolina. July - Sept. Stem 2 high, from a thick and creeping rhizoma. 

 Heads 4" - 7" in diameter. 



7. J. polycephalus, Ell., Michx. in part. Stem tall, slender, compressed 

 near the base ; leaves long, flattened, and often somewhat sword-shaped ; panicle 

 large, widely spreading, the numerous globose many-flowered pale heads sessile, 

 or on long diverging peduncles ; sepals linear-subulate, shorter than the lance- 

 olate-subulate 3-angled capsule ; seeds oblong, striate, barely pointed. Ponds 

 and miry margins of streams, Florida to North Carolina. July - Sept. Stem 

 2 -4 long. Leaves weak, 1 -2 long, sometimes ' wide. 



Var. ? depauperatus, Ton*. Stem and leaves more slender ; heads small- 

 er and fewer-flowered ; sepals lanceolate, shorter than the oblong capsule Wet 

 places, Georgia, and northward. Roots fibrous. Stems often decumbent and 

 rooting. 



8. J. paradoxus, Meyer. Stem rigid, erect, terete ; leaves terete ; panicle 

 erect ; heads pale, 8-1 5-flowered, sessile, and on short erect peduncles ; sepals 

 lanceolate-subulate, rigid, shorter than the oblong 3-angled abruptly pointed 

 capsule ; seeds with a long and slender appendage at each end. Wet places, 

 South Carolina, Curtis, and northward. July - Sept. Stem 1 -2 high. 



9. J. acuminatus, Michx. Stem erect, terete, like the slender leaves ; 

 panicle mostly simple, erect ; heads (2" -3' long) 3 - 8-flowered ; sepals linear- 

 lanceolate, half as long as the lanceolate-oblong abruptly pointed 3-angled light 

 brown capsule ; seeds with a short appendage at each end. Sandy wet places 

 in the middle districts of Georgia, and northward. July - Sept. Stem 8'- 15' 

 high. Root fibrous. Capsule 2'' long. 



10. J. Elliottii. Stem slender, nearly terete ; leaves terete, grooved near 

 the base within ; panicle erect, simple or compound ; heads (1" - 2" long) 5-8- 

 flowered ; sepals ovate-lanceolate, as long as the ovoid obscurely angled obtuse 

 deep chestnut capsule ; seeds oblong, striate, without append ages. ^(J- acumina- 

 tus, Ell, not of Michx.) Bogs and ditches, Florida to North Carolina. June - 

 Aug. Root fibrous, often bearing small tubers. Stem l-2 high. Heads 

 commonly very numerous. Capsule 1" long, shining. 



