46 
* Spikelets pale, greenish or light-brown, utricles pale, nearly without beak. 
a. Loosely ceespitose: margins of utricles smooth or nearly so 
C. norvegica (108). 
f. Densely ceespitose, margins of utricles scabrous. 
+ Spikelets ovate, beak very short, entire, no fissure on the outer side 
C. canescens (106). 
+7 Spikelets ovate-globose, beak short with fissure on the outer side 
C. brunnescens (107). 
C. Spikelets more or less stalked, sexes ordinarly distinet, the upper 1—3 male 
or seldom androgynous, the lower ones female; stigmas 3 or 2. 
a. Terminal spikelet male at the base, female at the top. 
1. Stigmas 2; small species with adscending culms. 
* Scales red-brown; utricles with short beak, pale or red-brown 
C. rufina (132). 
** Scales dark-brown or blackish, with light midvein; utricles whitish, 
finely papillose; ‘bealk-less3 2. 3c se os C. bicolor (133). 
2. Stigmas 3; larger species with erect culms. 
Utricles beak-less, distinctly nerved, scales awned. 
a. Spikelets! sessile or nearly so, scales dark with pale-greenish 
midvein; utricles finely papillose........ C. Buxbaumii (119). 
&. Spikelets more or less stalked; scales dark; utricles not papillose 
C. Gmelini (120). 
** Utricles with beak, scales not awned. 
a. Utricles with long beak, lanceolate; bracts sheathing 
C. misandra (144). 
8. Utricles with short beak; bracts not sheathing. 
+ Spikelets erect, very short-stalked; scales obtuse C. alpina (114). 
+t? Spikelets stalked, the lower drooping at maturity, scales acute 
C. atrata (118). 
b. Terminal spikelet male; stigmas 3. 
1. Utricles hairy. 
* Female spikelets globose, sessile or nearly so... C. pilulifera (137). 
** Female spikelets, at least the lowest, distinctly stalked. 
a. Spikelets ovate-globose, few-flowered; scales dark-brown 
C. melanocarpa (139). 
8. Spikelets cylindric, many-flowered; scales light-brown 
C. Brenneri (138). 
2. Utricles glabrous. 
* Bracts shortly or not sheathing. 
a. Utricles with distinct beak. 
+ Male spikelets more than one; utricles inflated, with long two- 
TOOtHEMIDEAI TAs erotic uuu meetin els wars C. rostrata (149). 
+t Male spikelet one. 
° Czespitose. 
§ Female spikelets few- and lax-flowered; bracts scale-like 
C. pedata (142). 
$§ Female spikelets many-flowered, bracts leafy C. Oederi (147). 
1 With »spikelets« here and in the following part of the key female spikelets are meant. 
