2 : 
—\_C. arthrostachya Olney. > Dense 
culms slender, erect, sharply angled, roughened ae mot png Boo 
leaf-blades 2-3 mn. wide, roughened; spikes green but tinged with ‘ 
brown, mostly 6-10, ovoid or subglobose, 5-8 mm. long congested int 
mostly ovoid heads 15-25 mm, long, the lowermost bracts acicular . 
usually readily perceptible as the inflorescen, 
longer, @ 5-6 om. lo scales ovate, very acute or aominate tits 
205-5 mne long, green al 5 the rib, the margins tinged with brown 
perigynia lanceolata ' sually 3-4 times ag long as broad 505-4 sets 
lmg, narrowed at the base to a shor+ stalk, acuminate above the middi 
very thin, the margins sharp and serrulate to the tip, the beak thus ape 
clearly marked, both faces nearly veinless, the r 1 ; 
rounded. face usually 
bearing about 5 very faint veins, 
Meadows and boggy ground, frequent, 
Ries joda Mack. -——~. Rootstocks slender, elongated, the culms 
slender, 60 cme tall, equalling or sanmswhat longer than the leaves, 
roughened toward the apex; leaf=blades mostly 3-5 mm. broad, flat, amooth, 
soft and grasslike; spikes comonly 4-6, narrowly oblong or ovoid, 5-8 mm. 
long, the upper approximate, the lower distant, forming an inflorescence 
5-5 cme long, the lowermost bract longer than the head it subtends, often 
nearly as long as the inflorescence; scales 2.5-3 mm. long, greenish= 
hyaline, broadly ovate, acute or shortly mucrmate, the midrib ridged 
toward the apex and scabrous; porigynia narrowly ovate, greenish, some- 
what glossy, 3.5-4 mm. long, flat on one face, rounded on the other, 
the margins sharp but not winged, scabrous to the tip, the veins faint, 
the beak about half as long as the body, sharply 2-toothed, the teeth 
scarcely .5 mm. longe 
Usually in moist woods or shaded places; very similar in aspect 
to Ce Bolanderi.- —_> 
——————> Pha tuna Hills ~Bpidng—and—aek—O049; Priost R. ‘Expe Stacy—»> 
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