492 juxcace.e. (nusn family.) 



§ 1. Tofieldia proper. Racemes simple, the flowers successively opening from 

 the base upward (centripetal) : anthers introrse : seeds without appendages. — 

 Smooth hirhs. 



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

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

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

 tricts of North and South Carolina. Oct. — Stem 1° - 2° high. Raceme 2' - 4' 

 long. Flowers white. 



§ 2. Triaxtha. Racemes compound; the flowers successively opening from the 

 apex downward (centrifugal): anthers innate: seeds with tail-like appendages 

 at each end. — Pubescent lierbs. 



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

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

 ter, longer than the greenish-white flowers ; capsule as long as the perianth. — 

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

 - 1£° high. Leaves 6' - 12' long. 



-4- 3. T. glutinosa, Willd. Stem and pedicels clammy-pubescent; leaves 

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

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

 Mountains of North Carolina, and northward. June. — Stem l°-l£° high. 

 Leaves 4' - 6' long. 



Order 153. JUNCACEJE. (Rusn Family.) 



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

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

 anth of six nearly equal calyx-like persistent divisions. St aniens :? or 6, 

 inserted on the base of the sepals: anthers 2-eelled, introrse, fixed at 

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

 Style single : Btigmas commonly 3, hairy. Capsule loculicidally 3-valved. 

 Sei ds anatropous. Embryo minute at the base of the albumen. 



Synopsis. 



1. i.i /I I. A. Capsule 1-celled, 8-eeeded. Leaves mostly hairy. 



2. JTJNCU8. Capsule many -seeded ; tho placentte separating with the partitions. Smooth 



herbs, with alternate leaves. 

 & OEPHALOXYS. I'apsulo many-seeded ; the placenta) united into a 3-winged central col- 

 umn. Stem-leaves nearly opposite. 



1. LUZULA, DC. Wood-Rush. 



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

 Bule l .celled, 8-valved, 3-eeeded. Seeds erect from tho base of the cell. — lVrcu- 



nial lierbs, with fiat mostly hairy haves, and umbellate or spiked flowers. 



