JUNCACE^E. (BUSH FAMILY.) 519 



short. Low pine barrens, in the middle and lower districts of North and 



South Carolina. Oct. Stem l-2 high. Raceme 2' -4' long. Flowers 



white. 



2. TRIANTHA. Racemes compound, the flowers successive/// 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 pine barrens. Sept. Stem 1-1 high. Leaves 6' 12' 

 long. 



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

 short, liuear-sword-shaped ; racemes (!' 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^}. (Rusn 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 mostly 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, obtuse ; seeds with a curved append- 

 age at the apex. Mountains of North Carolina, and northward. May. 

 Plant 6' -9' high. 



