116 Annals of the Carnegie Museum. 



f C. Pennsylvanica Lamarck. Pennsylvania sedge. 



* C. varia Muhlenberg. Emmons' sedge. 



* C. pubescens Muhlenberg. Pubescent sedge. 



* C. Jamesii Schweinitz. James' sedge. 



* C. stipata Muhlenberg. Awl-fruited sedge. 



* C. vulpinoidea Michaux. Fox sedge, 

 f C. rosea Schkuhr. Stellate sedge. 



* C. retroflexa Muhlenberg. Reflexed sedge. 



f C. sparganioides Muhlenberg. Bur-reed sedge. 



* C. cephalophora Muhlenberg. Oval-headed sedge. 

 f C. Muhlenbergii Schkuhr. Muhlenberg's sedge. 



* C. tribuloides Wahlenberg. Blunt broom sedge. 



f C. scoparia Schkuhr. Pointed broom sedge. 



GRAMINE^ Jussieu. 



GRASS FAMILY. III-7. 



SPARTINA Schreber. 



* S. cynosuroides (Linnaeus). Tall marsh-grass. 



