STATE GEOLOGIST. 153 



SCLERIA, L. Nut-Rush. 



S. trig-lomerata, Michx. Nut- Rush. 

 Lapham. Infrequent. South. 



S. verticillata, Muhl. Nut- Rush. 



Blue Earth county, Leiherg. Kare. South. 



CAREX, L. Sedge. 

 C. scirpoldea, Michx, Sedge, 



Port Arthur, and "northwest angle" of the lake of the Woods, Macoun. Xorth . 



C. polytriclioides, Muhl. Sedge. 



Little Marals, lake Superior, Juni. Probably common throughout the state . 



C. Backii, Boott. Back's Sed^e. 

 Minneapolis, Juni. North. 



O . siccata, Dew. Sedge. 



Throughout the state, but infrequent. Lapham. Minneapolis, Kassuhe; Emmet 

 county, Iowa (very rare), Cratty. 



C. clisticlia, Huds. Sedge. 



Throughout the state . Minneapolis, Juni, Kassube; Emmet county, Iowa (common) 

 Cratty. 



C. teretiuscula, Good. Sedge. 



Throughout the state. Minneapolis, Juni; Blue Earth county, Leiherg . 



C. teretiuscula. Good., var. ranaosa, Boott.* Sedge. 

 Emmet county, Iowa (frequent), Cratty; doubtless also in Minnesota. 



C. vulpinoidea, Michx. Sedge. 



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

 common in Martin county, and in Emmet county, Iowa, Cratty. 



0. crus-corvi, Shuttleworth. Sedge. 

 Blue Earth county, Leiherg. South. 



C. stipata, Muhl. Sedge. 



Common throughout the state. Moose Lake, Carlton county, Juni; Blue Earth 

 county, Leiherg. 



C. conjuncta, Boott. Sedge. 



Minneapolis, J uni, Kassube . Southeast. 



C . Doug'lasii, Boott.f Douglas's Sedge. 



Ked river (open prairie); "this is the first Oarex to appear in flower, and occurs very 

 abundantly all over the prairie of the Eed river," Dawson, Macoun. West. 



*Carex teretiuscula. Good., var. ramosa, Boott. (C. prairiea. Dew.) Spike below 

 branched ; spikelets ovate, sessile, 5 to 7 on a branch ; perigynium ovate-lanceolate, 

 convex both sides, scabrous on the margin, slightly bifid, smaller than the ovate-lance- 

 olate glume ; stem 2 to 3 feet high, leafy towards the base. Wood's Class-Book. 



tCAREX DouGLASii, Boott. Spike dioecious, with about twelve, sometimes more, 

 ovate spikelets, the upper closely aggregated, the lower occasionally remote and com- 

 pound ; bracts sometimes setaceous, broad at base, sometimes scale-like and mucro- 

 nate ; style exserted ; stigmas 2, very long ; perigynium elliptic-lanceolate or ovate, 

 tapering to a long serrated bifid beak, shorter than the lanceolate acute scale ; ache- 

 nium orbicular. Root creeping ; culm 6 to 12 inches high. Olney in Bot. Kep. of King's 

 Expl. of the Fortieth Parallel. 



