174 THE FLORA OF THE ALPS 
circular, furrowed, spikelets brown; very high, moist; 
Switzerland, Styria. 
10. KOBRESIA, Willd. 
Flowers unisexual; spikelets few-flowered, in a ter- 
minal compressed ovoid spike. 
K. caricina, Willd.; stem 4-8 in., lower spikelets of 
one female, upper usually of 2 male flowers; very high ; 
Switzerland, Tirol, Mont Cenis, Styria, Pyrenees, rare. 
Pp VCARH XIU. 
Flowers unisexual, usually moncecious; male flowers 
without perianth-bristles; stamens 2-3; female flowers 
enclosed in a bidentate sac or utricle; stigmas 2-3; seed- 
vessel enclosed in the enlarged sac or perigyne. 
The following enumeration of the alpine species of the 
very difficult genus of Sedges is founded on Dalla-Torre’s 
classification. 
A. Spikelet solitary, terminal, without bracts at the 
base; stem nearly leafless:—C. diotca, L.; spikelet 
dicecious, stigmas 2, stem terete, 3-8 in.; moist. C. 
Davalliana, Sm.; dicecious, stigmas 2, stem triangular, 
up to I ft.; moist. C. rupestris, All.; lower flowers of 
spikelet female, upper male, fruit erect; pastures. C. 
pauciflora, Lightf.; spikelet similar, 4-6-flowered, fruit 
bent downwards; moist. C. mzcroglochin, Whib.; spike- 
let similar, 10-12-flowered, fruit bent downwards, with a 
long green bristle at the base; Valais. 
B. Spikelets united into a head, with 2-3 green in- 
volucral leaves at its base:—C. baldenszs, L.; rare; 
Southern Tirol, Salzburg, Upper Bavaria. 
