IXIACEAE 329 
gre een: leaves almost filiform, 0.5 mm. wide or less: scapes higher than the 
pale which they resemble: spathes pr mostly in pairs, sometimes solitary, 
green, braets iip Ar eue 10—13 mm. long, narrowly aeute or aculeate: perianth 
Bight "viole t-blue, 6-8 . long: eapsule pale, subglobose, 2-3 mm. high.—Flat 
ndy woods, Coastal Plain, Fla. to N. C.—Spr. 
6. S. xerophyllum Greene. Plant erect, stout, 2-6.5 dm. tall, rg Ps wn 
often glaucescent: leaves strietly PUn usual much more than 1 s tall a 
s li i mm. wi 
stricted dn 
7. S. fibrosum Bicknell. Plant loosely tufted, 2-3 dm. d d coated at 
the base, pale and glaucescent, often yellowish-green: leaf-blades 2-5 mm. wide; 
scapes longer than the leaves, 2-3 mm. wide, broadly Mind ‘the edges ae 
serrulate or even ciliolate: spathes 15-20 mm. long, the bracts nearly equal: 
ia dn violet-blue, 8-10 mm. long: eapsule pale ne thin-walled, broadly 
oid, 3-4 mm. high. [S. carotinianum Bicknell, not Klatt.]—Woods and fields, 
VARIUS cro Fla. to Miss. and N. C.—Spr. 
8. S. incrustatum Bicknell. Plant 2.5-5 dm . tall, coarsely eae at the base, 
dull-green and glaucescent, drying dark: leaf-bla des . wide, striate, 
harshly rugulose-seabrous to densely incrustate roughened ‘with e papillae, the 
edges ciliolate-serrulate: scapes 1.5-3 mm. wide, roughened like the leaves: 
spathes 1.5-2.5 em. long, the nearly equal s acute to oe a 
perianth about 8 mm. long: capsule subglobose, dark, 3-4 mm. long.— ist 
a soil and open grassy woods, Piedmont e Coastal Plain, s. C. to N. ©. 
—Sum 
9, -S. fuscatum Bicknell. Plant 15-50 em. high, more or less fibrous at base, 
dull-green and glaucescent, drying dark: leaf-blades 0.5-2.5 mm. wide: scapes 
longer than the leaves, 0.75-2 mm. wide, smooth-edged: s spathes narrow, the 
subequal braets firmly herbaceous, striate, bue idate-acuminate: perianth about 
10 mm. long: capsule 2.5—4 mm. = ign h, broadly subglobose, drying dark.—S andy 
soil, Coastal 1 Plain, Fla. to Miss. nid 
10. S. rufipes Bicknell. Plant 1.5-3 dm. tall, with rufous E Eo fibers at 
the base, rather bright-green and Slee: leaf-bla des 1-2.5 mm. wide: 
cap ut as tall as the leaves, about 1 E a ed, 
braeteal leaf subtending a eluster of 2 or 3 short-peduncled spathes and some- 
or eh: spath A 12 mm. long, aets somewhat 
divergent: perianth blue, about 8 mm. long: anthers relatively large: capsule 
about 3 mm. high.—Sand hills, Coastal Plain, Ga. to N. C.—Early Spr. 
41. S. floridanum Bicknell. Plant tufted, 2.5-5 dm. tall, pii fibrillose at 
the base, dull-green pun Eu leaf -blades 2-3 mm. wide: scapes narrowly 
rm ma 
green or slightly Dou. 15- 20 n . long, the bracts nearly rer perianth 
pale-blue, about 10 mm. long: capsule pale, Bune een 3-4 mm. high—Sand, 
pen. Fla.—Lat e Wint —early Spr. 
12. S. graminoides Bicknell. Plant erect, bright green, 1. in dm. tall, cater 
leaves erect, usually about i as tall as cape or less ; blades narrowly 
i h, 1. m de: s : 
: a 
4-6 mm. long, thin-walled. [S. anceps Sree Fl)]—Meadows, wet woods 
and grassy places, various provinces, Fla. to Tex., Minn., and Newf.—S 
13. S. atlanticum Bicknell. Plant green, often glaucous, 1-7 e . tall: leaves 
slender, often wiry, narrowly-margined: spathes green or PODES, 1-2 cm. 
