248 MONOCOTYLODENOUS. 



■ Genus II THALIA. 



Sepals 3, ovate-lanceolate, concave, small. Corolla tubu- 

 lar, 6.parted. Anther simple, ovate. Style short, deflexed. 

 Stigma ringent. Capsule *2-celled. 



1 T Dealbarta. Leaves all radicle, distichous, cordate-ovate, acute, gla- 

 brous, long and wide, on very long petioles ; scape erect, columnar. Fluxers 

 in terminal panicles. Peduncles jointed, with a many leaved involucre at 

 each joint. Bracts 2- flowered, coriaceous. Sepals ovate-lanceolate, purple, 

 the three exterior segments of the corolla obovate, equal, the three interior 

 irregular ; sterile filaments irregular, the fertile one filiform, 

 Purple. %. June — Sept. In the low country. 3-5 ft. 



Order CVIIl. JUxNCE^. 



Perianth 6-parted.moreor less glumaceous. Stamens S-6f 

 inserted into the base of the segments. Ovary 1-3-celled, 

 1 or many seeded. Style 1. Stigmas generally 3, sometimes 

 1. Fruit capsular, 3-valved. Dehiscence loculicidal. Her- 

 baceous plants with fistular or flat channeled leaves. Flow- 

 ers brown or green. 



Genus I J UNCUS. 



Perianth G-parted, with 2 bracts at the base, glumaceous. 

 Stamens 6, Capsule 3-celled, 3-valved, many seeded. Dis- 

 sepiments bearing the seeds. 



{a) Leaves none. 



1 J AcuTUS. Stem erect, rigid, hard, with a sheath at the base. Flowers 

 in teiminal panicles. Involucre 2-leaved, erect, spinous, Leaves of the pe- 

 rianth lanceolate, acute, the three exterior the longest. Capsule obovate, 

 pointed with the persistent style. 



Brown. % April. Salt marshes, 2-3 ft. 



2 J Effusus, Stem erect, terete, soft, with a sheath at the base. Flowers 

 in compound panicles. Stamens 3. Leaves of the perianth acute, equal, with 

 white margins. Capsule 3-angled. Seed oblong. 



% April— May. Wet soils, common. 2-3 ft. 



3 J Setaceus. Stem filiform, terete, declining. Flowers in lateral pani- 

 cles. Leaves of the perianth lanceolate, acute, the outer ones largest. 



'21- July. Swamps. 2-3 ft, 



(6) Plants with leaves, 



4 J Tenuis, Stem erect, terete, simple, sometimes naked. Leaves chan- 

 neled, hnear-subulate, concave, the radicle ones shorter than the stem ; cau- 

 line ones longer. Flowers in panicles, sessile, the 2 lower leaves of the in- 

 volucre longer than the panicle. 



94- April — May. In wet pastures, common. 10-12 in. 



5 J DiCHOTOMus. Stem erect, glabrous, sometimes, naked. Zcaues chan- 

 neled, filiform, shorter than the stem, sheathing. Flowers in dichotomous 

 panicles, solitary, 1 leaf of the involucre longer than the panicle. Leaves of 

 the involucre nearly equal. 



%. April — May. In wet pastures. 1-2 feet. 



6 J BuFONius. Stem terete, dichotomous towards the summit. Leaves an- 



