Monograph of J\ or th American Car ices. 327 



The uppermost spike is occasionally found entirely sterile. 

 The name of this species has been changed, as there is a 

 C. aristata previously established by R. Brown. 



fff Staminiferous and pistilliferons spikes distinct. 

 * Staminiferous spike solitary. 



a. Two stigmas. 



54. Carex compacta, R. Brown^ 



C. compacta, R. Broivn's app. Ross's voyage, p. Richard. 



app. Frank, nar. ed. 2. p. 35. 

 Hab. Barren grounds of Arctic America. Dr. Richardson. 

 Obs. Resembles C. saxatilis. R. Brown. We have seen no 



specimens of this Carex. 



55. Carex concolor, R. Brown. 



C. spicis fertilibus 2 — 3, erectis, subsessilibus ; glumis omni- 

 bus obtusis, subconcoloribus, bracteis auriculatis ; fructi- 

 bus leevibus, ovalibus, mucronatis, integerrimis, culmis 

 laevibus. 



C. concolor, R. Brown, in App. Parry's 1st voyage. 

 p. clxxxiii. h. cccviii. 



Hab. In Melville Island. 



Obs. Very near C. ccespitosa, R. Brown. 



55. Carex mutica, R. Brown. 



C. spied sterili glumis obtusis, fertilibus tribus, distantibus, 

 subexserte pedunculatis, erectis, raris ; fructibus ovalibus, 

 muticis, laevibus, gluma ovata mucronata longioribus. 



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

 p. 35. 



Obs. Leaves and bracteae flat. 



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

 son. 



44 



