280 CYPERACEAE. 
11. Rynchospora cymosa Ell. Grass-like Beaked-rush. (Fig. 658.) 
Rhynchospora cymosa EN. Bot. S. C. & Ga, 1:58. 1816. 
Schoenus cymosus Muhl. Gram. 8. 1817. 
Light green, culms tufted, sharply 3-angled, 
smooth, 1°-2° tall. Leaves flat, narrowly linear, 
grass-like, 114’’-2’’ wide or the basal ones broader, 
the uppermost sometimes overtopping the culm; 
spikelets ovoid-oblong, acute, 114’ long, sessile or 
nearly so, capitate in 2’s-7’s on the ultimate 
branches of the axillary and terminal clusters; 
bracts setaceous; scales dark brown, broadly ovate 
or suborbicular; bristles 6, upwardly barbed, 
shorter than the achene; achene broadly obovate 
or oblong, lenticular, transversely wrinkled; style 
2-cleft; tubercle conic, one-fourth to one-third as 
long as the achene. 
In moist soil, New Jersey to Kentucky and Missouri, 
south to Florida and Texas. Alsoin Cuba. June-Aug. 
12. Rynchospora Torreyana A. 
Gray. ‘orrey’s Beaked-rush. 
(Fig. 659.) 
Rhynchospora Torreyana A. Gray, Ann, Lye. 
IN: Ms 3h 197.” 1635. 
Culms terete or obscurely 3-angled, smooth, 
slender, 114°-3° tall. Leaves involute, the 
lower 114//-2/’ wide at the base and elong- 
ated, the upper bristle-like, distant; spike- 
lets ovoid, 114’’ long, peduncled, numerous, 
in 1-4 loose distant clusters; scales brown, 
ovate, mucronate; bristles 6, upwardly 
barbed, shorter than the oblong-obovate 
transversely wrinkled lenticular achene; 
style 2-cleft; tubercle flat, conic, one-fourth 
to one-third as long as the achene. 
In wet pine barrens, New Jersey to South 
Carolina. July—Aug. 
13. Rynchospora inexpansa 
(Michx.) Vahl. Nodding Beaked- 
tush. (Fig. 660.) 
Schoenus inexpansus Michx. Fl, Bor. Am. I: 35. 
1803. 
Rhynchospora inexpansa Vahl, Enum. 2: 232. 
1806, 
Rootstocks slender, culms tufted, smooth, 
slender, 3-angled, 2°-3° tall. Leavessmooth, 
1/’ wide or less, flat, the lower elongated, 
the upper bristle-like, remote; spikelets 
spindle-shaped, acute at both ends, about 3’” 
long, numerous, in 1-4 narrow finally droop- 
ing panicles; scales brown, lanceolate, acumi- 
nate; bristles 6, upwardly hispid, very slen- 
der, about twice as long as the achene; 
achene narrowly oblong, transversely wrin- 
kled; style 2 cleft; tubercle flat, triangular- 
subulate, one-half as long as the achene. 
Moist soil, Virginia to Louisiana. June—Aug. 
