Shafer : Vascular' Flora of Allegheny County. 115 



* C. virescens Muhlenberg. Downy green sedge. 



* C. costellata Britten. Ribbed sedge. 

 C. virescens var. costata Dewey. 



* C. triceps Michaux. Hirsute sedge. 



* C. gracillima Schweinitz. Graceful sedge. 

 -j- C. grisea Wahlenberg. Gray sedge. 



* C. glaucodea Tuckerman. Glaucescent sedge. 



* C. granulans Muhlenberg. Meadow sedge. 



\ C. granularis Shriveri Britton. Shriver's meadow sedge. 

 C. granularis var. Haleana Porter not C. Halei Dewey. 



f C. flava Linnaeus. Yellow sedge. 



f C. Hitchcockiana Dewey. Hitchcock's sedge. 



I C. laxiflora Lamarck. Loose-flowered sedge. 



f C. laxiflora patulifolia (Dewey). Loose flowered sedge. 



f C. Careyana Torrey. Carey's sedge, 



"^^ C. Albursina Sheldon. White-bear sedge. 

 C. laxiflora var. iatifolia Boott. 



J C. plantaginea Lamarck. Plantain-leaved sedge. 

 f C. platyphylla Carey. Broad-leaved sedge. 



