124 METASPERMAE OF THE MINNESOTA VALLEY. 
Minn. valley: S. central district; peat bogs and shaded 
marshes in forest. 
Carex riparia Curt. Fl. Lond. IV, 60 (1821). 
C. acuta ALL. Ped. Fl. 2347 (1785). 
C. crassa EHRH. Beitr. IV, 43 (1789). 
C. lacustris WILLD. Spec. IV (1805). 
C. exaltata Petru. Flora 340 (1844). 
Wats. and Coult., Gray’s Man. 6 ed. 598; Mac., F). Can. II. 164; Upham, 
Fl. Minn. 158; Britt., Fl. N. J. 271; Chap., Fl. S. St. 545; Richt., Pl. Eur. 
167; Herd., Fl. Eur. Russ. 142; Hook., Fl. Gt. Brit. 465; Engl. Pax, Nat. 
Pilanz. 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 trichocarpa MuHL. Willd. Spec. IV. 302 (1805). 
C. trichocarpa var. turbinata DEw. Sill. Journ. XI, 159 (1827). 
C. striata CAREY, 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(in var.); Upham, Suppl. Minn. 86; Britt., Fl. N. J. 271; 
Webb., FI. 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. 
HeErs.: Sheldon 1302, Lake Benton; Sandberg, 617, 
Center City. 
Carex trichocarpa MuHL. var. aristata (R. Br.) Balt. 
Bot. Gazette, X, 293 (1885). 
C. aristata R. BR. Appx. Frankl. Narr. (1823). 
C. atherodes SPRENG. Syst. Veg. III, 828 (1826). 
C. orthostachys C. Mry. Fl. Alt. TV, 231 (1844). 
C. aristata var. longo-lanceata Dew. Sill. Journ. XVIII, 102 (1854). 
Wats. and Coult., Gray’s Man. 6 ed. 598; Mac., Fl. Can. II, 175; Up- 
ham, Fl. Mion. 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., Wisc., Minn., Neb. and Utah. 
Minn. valley: Throughout; typical form westward; 
variety eastward; wet places or edges of streams and ponds. 
