110 METASPERMAE OF THE MINNESOTA VALLEY. 
North-eastern Asia. 
North America: Ont. to L. Superior region, Man., 
Saskatchewan, N. W. T., Brit. Col. and Rocky mts.; S. to N. 
Eng.; W. to Ohio, Mich. and Minn.; Colo., Sacramento valley 
and Columbia river region. 
Minn. valley: Reported from forest district; rare; dry 
and sandy places. 
Carex deweyana SCHWEIN. An. Tab. (1823). 
O. remota Ricw. Appx. Frankl. (1823) not Linn. 
Wats and Coult., Gray’s Man. 6 ed. 619; Coult., Fl. Colo. 394; Mac., 
Fl. Can. II, 124; Wats., Fl. Calif. II, 236; Bail., Typ. Car. 71; Upham, FI. 
Minn. 155; Bail., Syn. Car. 146. 
North America: N. Br., Q., Ont. to Man. and Brit. Col. 
and Rocky mts.; S. to Colo., Calif. and N. Mex. 
Minn. valley: Forest district; thickets, dry woodland 
and river banks. 
Hers.: Bailey 37, Vermilion lake. 
Carex trisperma Dew. Sill. Journ. IX, 63 (1825). 
Wats. and Coult., Gray’s Man. 6 ed. 619; Mac., Fl. Can. IT, 122: Britt., 
Fl. N. J. 278; Webb., Fl. Neb. 98; Upham, Fl. Minn. 154; Chap., Suppl. 8. 
St. 660; Bail., Syn. Car. 144, 
North America: N. S., Q., Ont. to L. Superior and 
Rocky mts.; 3. to N. Eng., N. J., Penn. and N. Car.; W., 
around Gt. Lakes, to lowa and Minn. 
Minn. valley: Reported from N. E. district; cold 
swamps and bogs. 
HERB.: Juni 21, Put In-Bay; Bailey 91, Vermilion. 
Carex tenuiflora WanL. Act. Holm. 146 (1803). 
Wats. and Coult., Gray’s Man. 6 ed. 619; Upham, Fl. Minn. 154; Mac., 
F]. Can. II, 122; Richt., Pl. Eur. 151; Herd., Fl. Eur. Russ. 146; Bail., 
‘Syn. Car. 145; Hart., Fl. Scand. I, 473. 
N. Europe and Siberia. . 
North America: N. Br. toS. Man.; S. to N. N. Eng. 
and S. Minn. 
Minn. valley: N. E. district; swamps and cold bogs. 
Hers.: Bailey 281, St. Louis river; Sandberg 532, 
Chisago Co.; Herrick 335, Minneapolis. 
Carex canescens Linn. Spec. 974 (1753). 
. brizoides Hups. FI]. Angl. 406 (1762). 
. elongata Leers. Fl. Herb. 14 (1775). 
. cinerea PALL. Pl). Palat. II, 571 (1777). 
. richarditi THumLu. FI. Par. 482 (1790). 
. cata GOODEN. Trans. Linn. Soc. II, 145 (1792). 
Vignea canescens REICH. Fl. Exc. 58 (1830). 
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