424 North American Cyperacecs, 



147. C. Greexiana, Dcwcy ! car. I. c. 30. p. 61. 



Hab. Near Boston, B. D. Greene, Esq. ■' — Differs from 

 the preceding chiefly in its rather longer and cuspidate scales, 

 and the less strongly nerved fruit with a longer heak. 



1 1 Pistillate spikes mostly on peduncles which are not sheathed at 



the base. 



148. C. scabrata, Schw. ! anal, tab, L c. ; Schw. Sf 

 Torr.! car. I. c. p. 345. t. 26. f. .2. 



Hab. New Hampshire ! to New York ! 



149. C. HYSTERiciNA, MuM. ! in Willd. sp. 4. p. 232 ; 

 Schkuhr, car. f. 127. 



Hab. Canada ! to Georgia ! 



150. C. Pseudo-Cyperus, Linn.; Schkuhr, car. f. 102. 



C. furcata, Elliott, sJc. 2. p. 552. 



Hab. British America ! and throughout the United States 

 east of the Mississippi. 



151. C. MACROCHiETA, Meyer, in mem. acad. St. Petersb. 

 I. c. p. 224. t. 13 ; Bongard ! veg. Sitcha, I. c. p. 169. 



Hab. Unalaschka, Meyer ; Sitcha, Bongard! 



152. C. LONGiROSTRis, Torr. ! in Schw. anal. tab. I. c. ; 

 Schiv. ^ Torr. ! car. I. c. p. 170. 



C. Sprengelii, Dewey, in Spreng. syst. 3. p. S27. 



Hab. New York ! and Michigan ! to British America ; 

 west to the Rocky Mountains ! 



C. longerostrata of C. A. Meyer, in the mem. St. Petersb. 

 acad. I. c, collected in Kamtschatka, is very near the present 

 species, but is not the same. 



