320 Monograph of North American Varices. 



2. Three stigmas. 

 43. Carex atrata, Lin. 



C. spicis androgynis, ternis, pedunculatis, conferti9, fructiferis 



subpendulis, (nigris ;) fructibus subrotundo-ovatis, breviter 



rostratis, bidentatis. 

 C. atrata, L. Willd. sp. pi. iv. p. 221. Schk. car. X. f. 77. 

 Hab. On the Rocky Mountains, near the snowy region. Dr. 



James. On the White Hills of New-Hampshire. Nuttall. 

 Obs. This species is also a native of the north of Europe. 



Our American specimens, which were collected by Dr. 



James, in Long's Expedition, agree exactly with C. atrata 



from Sweden. 



44. Carex media, R. Brown. 



C. spicis androgynis, ternis, brevissime pedunculatis, sessili- 

 busve, approximatis ; fructibus ovatis, rostellatis, glaberri- 

 mis, gluma ovata obtusiuscula longioribus. 



C. media, R. Brown in Richard, app. Frank, nar. ed. 2. p. 

 35. 



Hab. In the woody region of Arctic America. Dr. Richard- 

 son. 



Obs. Allied to C. bicolor. R. Brown. 



ff. Terminal spike androgynous, the rest pistilliferous ; stig- 

 mas 3. 



45. Carex viridula, Michaux. 



C. spicula terminali, androgyna, inferne mascula, ovata, 

 brevi, crassa, cseteris (2) fructiferis, aretes essilibus, brevibus, 

 crassiusculis ; fructibus glabris, ovato-triquetris, valde ner- 

 vosis, muticis ; glumis lanceolatis, mucronatis, fructu lon- 

 gioribus. 



C. viridula, Mich.fi. ii. p. 170. 



C. triceps, Elliott sk. ii. p. 53S. 



