North American Cypcracefrt. 387 
yrodr. 1. p. 203 ; Schic. t^ Torr. car. in ami. lye. nal. last. 
New York, 1. p. 284 ; Deivcy, car. in Sill. jour. 7, ef, seq. ; 
N. ah Esenh. in Linncea, 9. p. 805. 
Carex & Vignea P. dc Beaiiv. ; Lestib. ess.fam. Cyp. p. 22, 
no. 1. and 2. 
A. Style 2-clcft ; nut lenticular, or more or less compressed. 
— Vignea, P. de Beauv. 
1. Spike single. 
* Mostly dia?cious. 
1. C. DioiCA, Linn.; Schhihr, car. 1. p. 5 ; Fl. Dan. 
t. 369. 
C. Linnseana, Schkuhr, car. 2. p. 3. f. 1. 
C. parallela, Lcestced. 
C. Redowskiana, Meyer ? Cyp. nov. in metn. acad. St. Petersb. (6. 
ser.) 1. p. 207. l. 4 ; Dcivey ! in Sill. jour. 29. p. 260. 
C. nigricans, Dewey ! I. c. p. 249, not oi 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, Deivcy ! car. I. c. 14. p. 351. f. 53, and (3. 
squamacea, I. c. 
Hab. Massachusetts ! and New Jersey ! 
3. C. LEiocARPA, Meyer, I. c. p. 208, t. 5; Bongard! 
veg. Sitcha, in mem. acad. St. Petersb. 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. 80. 
Hab. Rocky mountains and Hudson's Bay, Dr. Rich- 
ard son ! 
