124 METASPERMAE OF THE MINNESOTA VALLEY. 



Minn, valley: S. central district; peat bogs and shaded 

 marshes in forest. 



Carex ripariaCuRT. Fl. Lond. IV, 60 fl82l). 

 C. acuta All. Ped. Fl. 2347 (1785). 

 C. crassa Ehrh. Beitr. IV, 43 (1789). 

 C laciistris W illd. Spec. IV il 805). 

 C. exaltata Petrm. Flora 340 (1844). 

 Wats, and Coult., Gray's Man. 6 ed. 598; Mac, Fl. Can. II. 164; Upham, 

 Fl. Minn. 15««: Britt, Fl. N. J. 271; Chap., Fl. S. St. 545; Richt., PI. Eur. 

 167; Herd., Fl. Eur. Buss. 142; Hook., Fl. Gt. Brit. 465; Engl. Pax, Nat. 

 Pllanz. II, 2, 125: Bail., Syn. Car. 76; Hart., Fl. Scand. I, 451. 



Northern, Central and Southern Europe; W. Asia; N. 

 Africa and S. America. 



North America: Newf., N. Br., Q., Ont. to Man.; S.' 

 to N. Eng., N. J., Ga. and Fla.; W. to Minn, and Mo. 



Minn, valley: Forest district to Blue Earth Co. ; mar- 

 gins of ponds, streams and swamps. 



Herb. : Sandberg 549, Chisago Co. 



Carex trii-hocarpa Muhl. Willd. Spec. IV, 302 (1805). 

 C. trichocarpa var. turbinata DEAV^ Sill. Journ. XI, 159 (1827). 

 C. striata Carev, Gray's Man. ed. I, 561 (1848). 

 Wats, and Coult., Gray's Man. 6 ed. 598; Mac, Fl. Can II, 174; Wats., 

 Fl., Calif. II, 251(fra var.); Upham, Suppl. Minn. 86; Britt., Fl. N. J. 271; 

 Webb., Fl. Neb. 98 (in var.). 



North America: Ont. and N. Eng. to N. J. and Penn. ; 

 W. to Minn, and Mo. 



Minn, valley: Probably throughout; marshes and 

 wet meadows. 



Herb.: Sheldon 1302, Lake Benton; Sandberg, 617, 

 Center City. 



Carex trichocarpa Muhl. var. aristata (R. Br.) Bail. 

 Bot. Gazette, X, 293 (1885). 



C. aristata R. Bk. Appx. Frankl. Narr. (1823). 

 C. atherodes Spreng. Syst. Veg. Ill, 828 (1826). 

 C. orthostachys C. Mey. Fl. Alt. IV, 231 (1844). 

 C. aristata xar.lonQO-lanceata Dew. Sill. Journ. XVIII, 102 (1854). 

 Wats, and Coult., Gray's Man. 6 ed. 598; Mac, Fl. Can. II, 175; Up- 

 ham, Fl. Minn. 158; Bail., Typ. Car. 70; Bail. Syn. Car. 75. Coult., Fl. 

 Colo., 381; Wats., King Ex. 374; Roth., Wheel. Exp. 278, 281; Webb., Appx. 

 Neb. 24. 



North America: Ont., Man. and Saskatchewan, Atha- 

 basca, Peace river region, Columbia valley and Rocky mts. ; S. 

 to N. Eng., Wise, Minn., Neb. and Utah. 



Minn, valley: Throughout; typical form westward; 

 variety eastward; wet places or edges of streams and ponds. 



