JUNCACE.E. (rush FAMILY.) 519 



short. — Low piue barrens, iu the middle and lower districts of North and 



South Carolina. Oct. — Stem l°-2° liigh. Raceme 2' -4' long. Flowers 



white. 



§ 2. Triantha. — Racemes compound, the flowers successively opening from 

 the apex downward {centrifugal) : anthers innate: seeds with tail-like append- 

 ages at each end. — Pubescent herbs. 



2. T. pubens, Ait. Stem and pedicels rough-puberulent ; leaves long, 

 linear; racemes (.3' -6' long) loosely flowered; pedicels mostly three in a 

 cluster, longer than the greenish white flowers ; capsule as long as the peri- 

 anth. — Low piue barrens. Sept. — Stem 1°-1^° high. Leaves 6'— 12' 

 long. 



3. T. glutinosa, Willd. Stem and pedicels clammy-pubescent ; leaves 

 short, linear-sword-shaped; racemes (T long) dense-flowered; pedicels 3-5 

 in a cluster, shorter than the yellowish flowers ; capsule longer than the peri- 

 anth. — Mountains of North Carolina, and northward. June. — Stem 1°- 1^° 

 high. Leaves 4' - 6' long. 



Order 155. JUNCACE^E. (Rush Family.) 



Tough grass-like herbs, with naked or leafy and jointed stems, flat 



or terete leaves, and regular cymose-clustered or panicled flowers. — 



Perianth of six nearly equal calyx-like persistent divisions. Stamens 



3 or 6, inserted on the base of the sepals : anthers 2-celled, introrse, 



fixed at the base. Ovary free from the perianth, 1 - 3-celled, 3 - many- 



ovuled. Style single : stigmas commonly 3, hairy. Capsule loculi- 



cidally 3-valved. Seeds anatropous. Embryo minute, at the base of 



the albumen. 



Synopsis. 



1. LUZULA. Capsule 1-celled, 3-seeded. Leaves mostlj' hairy. 



2. JUNCUS. Capsule many-seeded ; the placentae separating with the partitions. Smooth 



herbs, with alternate leaves. 



1. LUZULA, DC. Wood Rush. 



Sepals flat. Stamens 6. Style very short : stigmas filiform, villous. Cap- 

 sule 1-celled, 3 valved, 3-seeded. Seeds erect from the base of the cell. — 

 Perennial herbs, with flat mostly hairy leaves, and umbellate or spiked 

 flowers. 



1. L. campestris, DC. Stem leafy; leaves linear, hairy ; flowers in 

 dense ovoid umbellate spikes; capsule roundish ; seeds with a conical append- 

 age at the base. — Dry woods and banks, Florida, and northward. March - 

 April. — Stems clustered, 1° high. 



2. L. pilosa, Willd. Stem leafy; leaves linear or lanceolate-linear, hairy ; 

 flowers single, umbellate ; capsule ovate, ol)tu.-<e ; seeds with a curved append- 

 age at the a]iox. — Mountaiii.s of North Carolina, and northward. May. — 

 Plant 6' - 9' high. 



