North American Cyperacea. 391 
Hab. /3. throughout the Northern and Middle States ! and 
British America ! 7. Cherokee country, Muhlenberg; Michi- 
gan, Dr. Folwell ! — The var. /3. is by far the most common 
form in this country ; and we have even met with no speci- 
mens exactly corresponding with C. paniculata of Europe. 
Our specimens of the var. 7. are not mature ; but it seems 
hardly to be a distinct species. 
t t Staminate and pistillate fioivers variously situated. 
20. C. siccATA, Deivcy! car. I. c. 10. p. 268 ; t. F. f. 18. 
Hab. Connecticut! Massachusetts! Columbia river ! and 
Cumberland House! — Near C. intermedia, Good., but distinct. 
The nut of this species is flat on one side, and obtusely angled 
on the other. 
21. C. BROMOIDES, SchJcuhr, car. 2. p. 8. f. 176. 
Hab. Throughout the United States and British America ! 
west to the Rocky Mountains ! — Nut flat on one side, obscurely 
angled on the other. 
+ 1 1 Pistilliferous at the summit. 
22. C. LOLiACEA, Linn.; Willd. sp. 4. p. 337. 
C. tenella Schkuhr, car. f. 104. 
Hab. British America ! 
23. C. TRISPERMA, Dewey ! car. I. c. 9. p. 63. t. f. 12. 
C. quaternaria, Spreng. syst. 3. p. 330. 
Hab. Northern States and British America ! Rocky Moun- 
tains ! 
Vol. m. 50 
