CYPERACE^ 175 



C. Inflorescence a spike, raceme, or panicle, consisting 

 of small few-flowered spikelets, composed of male and 

 female flowers ; stem leafless. 



{a.) Stigmas 3 : — C. curvula, All. ; moist, rare. 



(p.) Stigmas 2 ; lower flowers female, upper male : — C. 

 incurva, L. ; root-stock stoloniferous, fruit inflated ; pas- 

 tures, local. C. foetida, All.; head compact, globular, 

 red-brown; Switzerland, Tirol, Salzburg, rare. C. Lag- 

 geri, Wimm. ; spike ovate-lanceolate, dark red-brown ; 

 very rare (Grimsel). C. microstyla, Gay ; stem slender, 

 spike elliptic, few-flowered; Switzerland, Salzburg, rare. 



(t.) Stigmas 2 ; lower flowers malle, upper female : — C. 

 macilenta, Fr. ; root-stock stoloniferous ; calcareous hills. 

 C. leporina, L. ; spikelets crowded, ovate, fruit winged ; 

 pastures. C. lagopina, Whlb. ; spikelets round, fruit 

 not winged ; pastures. C. Grypus, Schk. {stellulata, 

 Good.); spikelets distant, forming an interrupted spike; 

 peat-bogs. C. elongata, L. ; spikelets linear or elliptic, 

 forming an interrupted distichous spike; moist, local. 

 C. Persoonii, Sieb. ; stem 6-12 in., rough, spikelets 5-8, 

 brown and green ; moist. C. canescens, L. ; stem 2-4 in., 

 rough, spikelets usually 6, pale green ; moist. C. tetra- 

 stachya, Traunst. ; stem rough, spikelets 4; Tirol, very 

 rare. 



D. Inflorescence composed of one or more terminal 

 male spikelets, beneath which are one or more (usually 

 stalked) female spikelets ; stigmas 2 : — C. mucronata, All, 

 fruit lanceolate, leaves setaceous ; moist. C. bicolor, All, 

 fruit elliptic, not beaked ; very high. C. vulgaris, Fr. 

 fruit obovate, beaked, leaves narrowly linear ; moist. C. 

 rigida, Good.; fruit elliptic, not beaked, leaves broadly 

 linear ; Tirol, very rare. 



