492 JUNCACK-E. (UUSII FAMILY.) 



§ 1. ToFiEi.niA proper. Racemrs si/nple, the JlowerA surcessivdfj opening from 

 the liusc u>ir(ird {centripetal): anthers inlrorae: seeds without appendages. — 

 Smooth hirhs. 



1 . T. glabra, Nutt. Stem leafy at the base, and sparingly above ; leaves 

 linear; racemes densely flowered; stamens slightly exserted ; styles very short. 

 (T. glaberrima, Machride.) — Low pine barrens, in the middle and lower dis- 

 triets of North and South Carolina. Oct. — Stem 1° - 2° high. Raeemc 2' - -i' 

 long. Flowers white. 



§ 2 Triantii.\. Racemes comjxiimd; the flowers surcessi rel i/ opening from the 

 apex doirnward (centrifugal): anthers innate: seeds with tad-like ajipeudages 

 at each end. — Pubescent herbs. 



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

 linear; raeemes (.'J' -G' long) loosely flowered ; ])edicels mostly three in a clus- 

 ter, longer than the greenish-white flowers i cajjsule as long as the perianth. — 

 Low pine barrens, Florida to North Carolina, and westward. Sept. — Stem 1*^ 

 - 1 h° higli. Leaves 6' - 12' long. 



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

 short, lincar-sword-shaped; racemes (1' long) dense-flowered , pedicels 3 - 5 in a 

 fluster, shorter than the yellowish flowers ; capsule longer than the perianth. — 

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

 Leaves 4' - G' long. 



Order 153. JUNCACEiii]. (Rush Family.) 



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

 terete leaves, and regular cymose-clustered or paiiiiled llowers. — Peri- 

 anth of si.\ nearly equal calyx-like persistent divisions. Stamens 3 or 6, 

 inserted on the base of the sepals : anthers 2-celled, intror.se, fixed at 

 the base. Ovary free from the perianth, 1-3-celIed, 3-many-ovuled. 

 Style single : stigmas commonly 3, hairy. Capsule septicidally 3-valved. 

 Seeds anatropous. Embryo minute at the base of the albumen. 



Synopsis. 



1. LUZULA. Capsule l-collod, 3-secdcd. Leaves mostly hairy. 



2. J UNCUS. Capsule many seeded ; the placentoo separating with the partitions. Smooth 



hcrlw, with alternate leaves. 

 8- CEl'HALOXYS. Capsnle many-seeded ; the placenta) united into a 3-winged ccntml col- 

 umn. Stcm-Icare.s uc.irly opposite. 



1. LUZULA, DC. W().)i).IJi;sn 



Sepals flat. Stamens 6 Siylc very short: stigmas fihfonn, villous. Cap- 

 mile 1-cellcd. 3-vnivcd, .l-'^ccdcii. S < ils erect from the base of tiie cell — Percti- 

 nial herbs, with flat nio>;tly li.ury leaves, and umbellate or sj)iked flowers. 



