North American CyperacefS, 387 



prodr. 1. p. 203 ; Schic. ^ Torr. car. m arm. Itjc. nat. hist. 

 New York, 1. p. 284 ; Dewey, car. in Sill. jour. 7, et seq. ; 

 N. ah Esenh. in Linncea, 9. p. 305. 



Carex & Vignea F. de Bcaicv. ; Lestib. ess.fam. Cyp. p. 22, 

 no. 1. and 2. 



A. Style 2-cleft ; nut lenticular, or more or less compressed. 

 — Vignea, P. de Beauv. 



1. Spike single. 

 * Mostly dioecious. 



1. C. DioicA, Linn.; Schhihr, car. 1. p. 5 ; Fl. Dan. 

 t. 369. 



C. Linnaeana, Schkuhr, car. 2. p. 3. f. 1. 



C. parallela, Lcestced. 



C. Redowskiana, Meyer? Cyp. nov. in mem. acad. Si. Petersb. (6. 



ser.) 1. p. 207. t. 4 ; Davey ! in Sill. jour. 29. p. 260. 

 C. nigricans, Dewey ! I. c. p. 249, not of Meyer. 



Hab. Cumberland House, and Rocky Mountains, Dr. 

 Richardson ! — The form of the fruit varies from ovate to lan- 

 ceolate, and the hispidness of the margins of the beak is some- 

 times very slight. 



2. C. ExiLis, Dcivey ! car. I. c. 14. p. 351. f. 53, and 13. 

 squamacea, I. c. 



Hab. Massachusetts ! and New Jersey ! 



3. C. LEiocARPA, Meyer, I. c. p. 208, t. 5; Bono-ard! 

 veg. Sitcha, iyi mem. acad. St. Fetersb. I. c. 2. p. 168. 



Hab. Unalaschka, Meyer; Sitcha, Bongard! — A 3-cleft 

 style is observed in some of our specimens. 



* * Androgynous. 



4. C, CAPITATA, Linn, ; Schkuhr, car. f. SO. 



Hab. Rocky mountains and Hudson's Bay, Dr. Rich- 

 ardso^i '• 



