COMMELINACEAE 261 
1. T. brevicaulis Raf. Stem very short, somewhat elongating in age, but less 
than 1 dm. long, densely villous, sim mple: leaves elongate, with large sheaths 
ste 
ew 
on conspic cuously elongate densely villous 
pedicels: sepals elliptic-ovate, 1 m. 
ong, villous all over: petals blue or 
em. lon 
purple, 2-2.5 g: capsule globose- 
obovoid, about long, ingly 
pubescent at the top seed a mm 
LUE-GRASS.) — Prairies,  hill- 
sides, and woods, oe Plateau pn 
inces, Tenn. to Ark., Mo., and Ill.—Spr. 
virginiana L. Stem single or 
branched at the gri the mE n then 
tufted, 2-5 dm ar green, iini 
or finely pubescent, c omm 
leaves few, elongate; blades attenuate, glabrous or pubescent in plants with 
pubescent stems: flowers several to m a cluster r: sepals broadly ovate, 12— 
18 mm. long, n or less villous all ear n in age: pet ja blue, ee rose, 
or white, 1 1.5-2 em. long: capsule ellip oe void, 4-5 mm. long, g 
seed about 2.5 mm. long.—Woods, id. cud pend bluffs, and stream- 
banks, various E aces fare Coastal Plain, N. C. t iplis and N. S.—Spr. 
T. reflexa Raf. Stem usually single, up to 1 m. tall, glabrous, glaucous, 
branched in robust plants: leaves elongate, glabrous, glauco us or nearly so; 
blades at Dru. Arcum ally with seattered hairs near the sheat th: d S sev- 
eral or many 1 cluster: Poele elliptie to diss -elliptie, 8-11 mm. pon one, 
at least, with a taft hairs at the apex, permanently thick: petals blue, ovate, 
saei broadly so, 1.5-2 em. long: capsule ellipsoid, about 5 mm. long, glab- 
rous, glaucou eed about 9. 5 mm. lo = —Woods, sandhills, dunes, d 
and SURE various provinces, N Fla. o Tex., Minn., and N. C.—Sp r.-sum 
4. T. incarnata Small. Stem commonly single, up to 1 m. tall, glabrous, sim- 
ple or with a branch or two above: leaves elongate, with long, arachnoid sheaths 
: h n 
h owers 
numerous in the terminal cluster: sepals elliptic or ance -lanceolate, 
long, one of them, oe c sparingly bearded at the apex: petals bright ea 
mcr ovate, 1-1.5 em. long: espsule glabrous. EA oods, N Mis —Spr.— 
5. T, foliosa Small. Stem often single, mostly 3-7 dm . tall, simple edi Or 
sparingly branched, glabrous: leaves erect, the lower ones several or numerous, 
d ? 
mm. 
long, 2 of them, at least, pubescent near ie apex: petals blue, broadly ovate, 
1.5-2 em. long: capsule globose- -obovoid, 4-5 mm. long, glabrous: seed 3 mm. 
lon de m NE Fla. and N part of the pen.—Spr. 
6. T. hirsuticaulis Small. Stem single, or branched at the base, the imer 
lon 
aA dm. tall, simple or sometimes branched, hirsute with long w white or pale 
hairs: leaves elongate; blades narrowly linear-attenuate, hirsute: ict usu- 
aliy relatively few a cluster: sepals narrowly ovate to elliptic-ovate, 9—11 
. long, or rarely poema hirsute, green or magenta-margined: petals ee 
5128 or buc ovate, 1.6-2.2 em. long: capsule globose-ellipsoid, 6-7 m 
long, glabrous or inconspicuously glandular- pba seed about 3 mm. oie 
