North American Cyperacea. 898 



of the spikelets, and agree very well with the European C. 

 stellulata. 



28. C. CANEscENs, Linti. ji. Succ. (fide WahL); Fl. Dan, 

 t. 285. 



C. curta, Good. ; Schkuhr^ car. f. 13s 

 C. Richardi, Michx. ! fl, 2, p. 170, 



a. Spikes lai'ge ; the whole plant silvery-glaucous when 

 young. 



i5. Spikes small, few-flowered ; culm and leaves slender. 



Hab. Northern States and British America ! ; west to the 

 Rocky Mountains ! 



29. C. MARINA, Dewey ! car. L c. 29. p. 248. 



Hab. Sea coast of the Arctic Regions, Dr. Richardson! 

 Very near C. lagopi7ia, WahL; but the fruit is not acuminate. 



30. C. Carltonia, Dewey! car. I. c. 56. p. 239. 



Hab. British America near Carlton House ! — This species 

 is characterised by Prof. Dewey as tristigmalic, with the upper 

 spike only androgyous, and is accordingly referred to the 

 same section with <7. hirsuta, Sec. : we find, however, only two 

 stigmas, a lenticular nut, and staminate flowers at the base of 

 at least two of the spikelets. The habit of the plant, more- 

 over, is entirely that of the present group ; and indeed though 

 a taller plant, it is exceedingly near C. marina. The fruit of 

 C-. Carltonia is, however, somewhat broader and minutely 

 5triolate. 



31. C. LAGOPiNA, Wahl. ji. Lapp.., 8fji, Suec. 2. p. 591. 



O. leporina, Willd. {not o[ Linn.). 

 C- Lachenalii, Schkuhr, car. f. 79. 



Hab. Rocky Mountains, T. Drummond! — This species, 

 •not previously known as a native of North America, occurs in 



