226 CYPERACEAE 
to broadly obovoid, circular in cross-section to much-flattened, papillose to 
punetieulate, glabrous, abruptly short-beaked or beakless, the orifice entire or 
Achene triangular, the style 
slender, straight, often exserted, its base not 
arged. Stigmas 3. 
98. C. Barrattii Schw. & Torr. Culm 3-9 
dm. tall, slender, smooth, aphyllopodie and 
strongly e AS at base: leaf-blades 
2—4 pale- or glaucous-green: 
staminate spike 25 ae long, long- peduncled 
(ofte 
pistillato vd. 2-4, "scc ud 1-5 
long, 4.5-6 mm. thick, closely many- 
flowered: seis ovate, brownish-pu urple: peri- 
gynium 2.5-3 mm. long, ovoid or oval, 
faintly few-nerved, obscurely Poen bec ab- 7. il 
ruptly minutely beaked. [C. littoralis Sehw.] 7 € 
—Very acid swamps and bogs, Coastal Plain and rie adj. provinces, 
N. C. d Pa. and Conn.—Spr. 
s ie 4 
ove 
Sinn 
"NOS 
PE 
M 
A" 
AN. 
m 
y 
99. C. Buxbaumii Wahl. Culm 2.5-10 dm. tall, slender, rough above, aphyllo- 
podie and strongly filamentose Rn base: leaf -blades 1.5-4 mm. wide, eo 
green: spikes 2-7, oblong, 1—4 em. long, 8— mi mm, ae aee or low 
est distant, the terminal rarely en staminate: scales black or dark-brow 
with green midvein: perigynium very light- m elliptie Or B eue tri i 
lar bieonvex, 2.5-4 mm. long, mn e d M die i the orifice 
minutely 2-toothed. [C. fus (Fl. U. S.) n All.]—Open mps in 
calcareous districts, various proviness E ‘to Ans Colo., Calif., B. "C. and 
Greenl.—( Eurasia.)—Spring.-early s 
XXVII. SHORTIANAE Bailey. Culm leafy. Leaves a the blades 
flat. Spikes 4—5, the terminal o dens the lateral pistillate with a few 
staminate basal flowers, erect, cylindric, more or less peduncled, or many- 
ered. Bracts sheathless, the lower, leaf-like. Pistillate scales 3-nerved, 
mucronate. erigynium orbicular-obovate, 
MES a an M membranous, corru- 
gated, nerveless, margined, short-stipitate, 
es short-beaked, the orifice nearly en- 
tire. Achene triangular, jointed with the 
short de uus style. Stigmas 3, short 
100. C. Shortiana Dewey. Rootstock short, 
thick: culm 3-9 dm. pae rough above: leaf- 
blades En. 4-8 mm., wide: spikes 3-7, 
gynaecandrous, linear cilindri densely 
many-flowered, 1-3.5 lon ng, 4—5 mm. 
thick, . erect, the low B yc and lo ong- 
pedu neled scales about e me perigynia, H 
sharp-pointed: perigynium orbicular or obo- 
vate, P 2-edged, 2.5-3 mm. long, 2 mm. 
wide, slightly puro) nerveless but ridged at apex, abruptly minutely beaked, 
the orifice entire or nearly SO Moist meadows and thickets in calcareous dis- 
