28 
gustis vestitis, supra basin pauci-(bi-)foliafis; foliis her- 
baceis culmo saepe parum brevioribus perangustis acumi- 
natis planis striatis superne marginibus scabridis; spicula 
anguste Iimeari-oblonga Laxiflora, Aoribus paucis v. pluribus 
remotis, 2!/;—5 lin. longa lineam cire. lata; squamis mi- 
nutis elliptico-lanceolatis acutis v. obtusiusculis carinatis 
'stramineis lateribus ferruginescentibus, foemineis inferiori- 
bus v. lamina setacea (raro foliiformi) instructis v. muero- 
natis; utrieulis squwamis multo longieribus erectis oblongis 
utringue attenuatis erostratis leviter eompressis subtrigonis, 
obtusis, ore pertusis, multistriolatis virenti-stramineis; sti- 
gmatibus 2 v. 3 brevibus recurvis. 
C. polytrichoides Mühlb. in Schk. Riedgr. 2. p. 34. 
t. Jü. f. 188 (1801). Willd. Spee. 4. 213. — Mühlb. 
Desc. ub. 230. — Boott. 146. t. 469. — C. 'mierostachya 
"Michx. Fl. bor. amer. 2. 169. {v. e.) — C. leptalea Whlb. 
Act. Holm. (1808). 
Amer. boreal. 
14, C. circinata C. A. Meyer. 
Rhizomate v. elongato repente tenui vaginis rigidis 
‚ oblongo-linearibus obtusis striatis carinatis sordide stra- 
mineis laxe obtecto, apiee ramoso, v. abbreviato caespiti- 
fero; fibrillis tenuibus rigidis ramosis testaceis canescen- 
tibus; culmis setaceis leviter curvatis in anthesi 2—4 poll. 
Tong. hine planis hine convexo-angulatis, striatis sursum ad 
angulos scabris, inferne foliatis, basi vaginis fissis brevibus 
efoliatis valide mucronatis marginatis sordide stramineis ve- 
stitis; foliis cu/mo Hlorente multo longioribus subeircinato-fle- 
zuosis rigicis setaceis canaliculatis sursum attenuatis trique- 
trieve, margine scabris;; spieula oblongo-lineari laxa nuda ' 
v. braetea capillari munita, 10—6 lin. longa flor. masculis 
eire. 8, foemineis 8—12; squamis longiuseulis conformibus 
