

TRTANDRIA. MONOGYNIA. Carex. " - 8 3 



12. C. divi'sa. Spike egg-shaped, somewhat doubly com- 



pound, floral leaf upright : spikets rather crowded : 

 capsules laid close : root creeping. 



13. Cmurica'ta. Spike oblong, somewhat doubly com- 



pound : spikets not crowded : capsules diverging, 

 cloven at the end : root fibrous. 



14. C. divnfca. Spike doubly compound, long, somewhat 



branched at the base : lower spikets distant, upper 

 ones near together : capsules rather upright. 



15. C. vulpi'na. Spike more than doubly compound, 



compact though branched, blunt : spikets male at 

 the top : capsules diverging : straws with very acute 



angles. 



16. C. paniculdta. Spike (or branched panicle) more 



than doubly compound, acute : branches alternate, 

 rather distant: capsules expanding: straw 3 -cor- 

 nered. 



17. C. teretius'cula. Spike more than doubly compound, ^ 



branched but compact, rather acute : spikets crowd- 

 ed : Male floret at the top : capsules expanding : 

 straw roundish. 





(3) Spikes 1 male, the others female : floral leaves mem- 

 branaceous. 



§ 



IS. C. digita'ta. Sheaths membranaceous, not leaf-like, 



inclosing half the fruit-stalk : spike strap-shaped, 

 upright : male spike shortest : capsules distant. 



19. C. clandesti'na. Sheaths membranaceous, not leaf- 

 like : female spikes distant, hardly higher than the 

 sheath. 



Spikes 1 male, the others female : floral leaves leaf- 

 like, generally sheathing the fruit-stalk. 



C. pen'dula. Sheaths long, inclosing all the fruit- 

 stalk : spike3 cylindrical, very long, pendant : cap- 

 sules much crowded, egg-shaped, acute. 



, inclosing all the fruit- stalk: 

 thread-shaped, Timber, turning downwards : 

 oblong, rather 3-eornered, acute. 





C2 



