North American Cyperacece. 427 



Hab. Hudson^ sBsij, Dr. Richardson! /3, Carlton House, 

 Dr. Richardson ! — We are inclined to think that the terminal 

 spike is not constantly androgynous in the C.arcfico. of Dewey ; 

 and, although the specimen is immature, we see no other im- 

 portant difference between it and C. Parryana. 



161. C. BLEPHAROPHORA, Gray! 171 ann. Jyc. nat. hist. 

 New York, 3. p. 235, ^ Gram. ^Cyp. part 2. no. 185 ; Dewey! 

 car. I. c. 30. p. 59. 



Hab. Oneida County, New York, Dr. Gray ! 



162. C. miliacea, Miihl. in Willd. sp. 4. p. 290 ; SchJcuhr, 

 car. f. 151. 



Hab. Canada ! to Georgia ! 



163. C. PALLESCENS, Lijui. ; SchJiuhr, car. f. 90. 

 Hab. British America ! and Northern States ! 



164. C. umbellata, Schhihr, car. f. 171 ; Dcitxy ! car. 

 I. c. 10. p. 31. & {var. vicina) 11. p. 317, & 10. t. 1. f. 13. 



Hab. Pennsylvania ! to British America ! and Rocky 

 Mountains ! 



22. UNCINIA, Persoon. 



Spikes solitary or several, pistillate below. Stamens 3. 

 Pistillate flowers soHtary in the axil of each scale. 

 Style 3-cleft. Nut trigonous, furnished with a hypogynous, 

 usually exerted and hook-shaped seta ; the whole invested 

 with a membranaceous perigynium. — Habit of Carex. 



Uncinia, Peis. syn. 2. p. 534 ; R. Bi'own, prodr. 1. p. 

 241 ; Lestib. ess. fam. Cyp. p. 22. no. 2 ; N. ab Escnb. in 

 Wight's contrib. p. 72 ; and inLinncea, 9. p. 20. & 10. p. 206. 



Species of Carex, Linn. Schhchr, &c. 



