218 157. Butomus. 23. BUTOMACEiE. Pl.end.ph. 
157. BUTOMUS. Theophrastus. Gladiole . 
Perigonium 6-sepaled; outer sepales smaller; stamens 9; 
ovaries 6, longly beaked ; pericarp twisted inwardly, opening 
at the edge; valves joined side by side at the base; seed 
linear, oblong, straight, round, streaked lengthways; cor - 
culum straight. — Rhizoma tuberous, creeping ; leaves angu- 
lar ; scape round. 
Bufomus umlellatus . Umbelled gladiole . 
Leaves long, linear, 3-sided. 
Butomus, Rail Syn. 273, 1. 
Gladiolus palustris Cordi, Ger. em. 29, C. 1. 
Juncus floridus, Park. 1197. 
Butomus umbellatus, Lin. S. P. 532. 
Flowering rush. Water gladiole. 
Ditches and river-sides; perennial; June and July. 
Leaves smooth, flat above, acute; scape 2 to 4 feet high ; 
flowers reddish, beautiful. 
Fam. XIX. 24. JUNCAGINEiE. Richard. Alima- 
cearum pars , De Candolle. Junconim 
pars , Jussieu. 
Perigonium herbaceous or nearly petaloid, 6-sepaled ; 
stamens 6; filaments short; ovaries 3 or 6, 1 -celled; stig~ 
mat a 3 or 6, sessile ; camares 1 or 2-seeded ; seeds basiliary, 
upright ; peri sperm 0 ; cor culum straight.— -Root fibrous ; 
leaves linear, rushlike, sheathing at the base; flower spiked 
or racemose. 
Sepales equal ; e tar ion depressed ; 
camares inflated, spread Scheuchzeria. 158. 
Sepales 3 inner petaloid; etarion upright; 
camares pendulous, connivent Triglochin. 159. 
I. 158. SCHEUCHZERIA. Linnaeus. Scheuchzer . 
Perigonium herbaceous, 6-sepaled ; sepales equal, per- 
sistent ; stamens 6 ; filaments short; anthers linear, long; 
ovaries 3 or 6, compressed ; stigma sessile, lateral ; camares 
inflated, reflexed, distant; seeds 1 or 2, oblong. — Root 
scaly, creeping; leaves few, rushlike; scape round; spike 
loose ; flowers greenish ; hractece at the bottom of the pe- 
duncle. 
Scheuchzeria palustris. Marsh scheuchzer . 
Leaves bristlelike, channelled; raceme upright, few- 
flowered. 
