STATE GEOLOGIST. 155 



C. Deweyana, Schw. Sedge. 



Throughout the state. Agate bay, lake Superior, Juni; Spirit Lake, Iowa, Arthur. 



C. echinata, Murr. (C. stellulata. Good.] Sedge. 



Throughout the state. North of lake Superior, Agasaiz; Manitoba, Macoun; Emmet 

 county, Iowa, Cratty, Arthur. 



C. ecliinata, Murr., var. niicrocarpa, Boeck. (C stellulata, Good., var. 

 scirpoides, Carey.) Sedge. 

 Minneapolis, Juni, Kassuhe; Emmet county, Iowa (frequent), Cratty. 



C. arida, Schw. & Torr. Sedge. 



Throughout the state, but infrequent. [Near "Winnipeg, Manitoba, Macoun; upper 

 Missouri river, Geyer.} 



C. scoparia, Schk. Sedge. 



Common throughout the state. Minneapolis, Juni; Blue Earth county, Leiberg. 



C lag-opodioides, Schk. Sedge. 



Common, or frequent, throughout the state. Lapham. Savannah river, Hough- 

 ton; Agate bay, lake Superior, Juni. 



C cristata, Schw. Sedge. 



Throughout the state, excepting perhaps northeastward. Blue Earth county, Lei- 

 berg; Emmet county, Iowa (rare), Cratty. 



C. adusta, Boott. Sedge. 



Throughout the state, but rare. Red river valley, at Pembina, Dawson; Minneapolis, 

 Kassiibe. 



C straminea, Schk. (Including vars. typica, tenera, aperta and festucacea, 

 Boott.) Sedge. 

 Throughout the stale. St. Louis river, Houghton; Pembina, Dawson; Minneapolis, 

 Kassube; Blue Earth County, Leiberg. 



C. straminea, Schk., var. Cra"wei, Boott. (vars. hyalinaand Meadii, Boott.) 

 Sedge. 

 Common in Emmet county, Iowa (on the southern boundary of Minnesota), Cratty. 



C!. vulgaris, Fries. Sedge. 



Throughout the state, excepting perhaps far southward. Minneapolis, Juni; Blue 

 Earth county, Leiberg. 



C. aquatilis, Wahl. Sedge. 



Range like tjie last. Lapham. Minneapolis, also New TJlm, Juni. 

 C. stricta. Lam. {^ee Botanical Gazette for Sept., 1884.) Sedge. 



Common throughout the state. Agate bay, lake Superior, Juni; Red river, Dawson, 

 Macoun; Minneapolis, Kassube; Blue Earth county, Leiberg; plentiful in Emmet 

 county, Iowa.,. Cratty. 



C lenticularis, Michx. Sedge. 

 Agate bay, lake Superior, Juni. North. 



shaped, the lower 5 or 6 elongated, the lowest hardly equaling the spike. Spike 10 to 

 16 lines long, 3 to 6 lines broad. Spikelets 5 lines long, 2 to 2V2 lines broad, dense 

 flowered, at the base sparingly staminate but never narrowed below, all crowded. 

 Scales similar. Perigynium 1.3 to 1.4 lines long, 0.6 line broad. Achenium 0.7 line long, 

 0.5 line broad, suborbicular, prolonged at the base, plano-convex, pale ; the base of the 



style enlarged. It differs from C. canescens and C. vitilis in its more numerous 



spikelets, in their being capitate and the lower ones bracted, and in its longer leaves, 

 In general appearance it more nearly resembles C. elongata, yet in the form and 

 nervation of the perigynium it is far different. Boott's Illustrations of Carex. 



