80 METASPERMAE OF THE MINNESOTA VALLEY. 
Donaz borealis Trin. Fund. Agrost. 156 (1820). 
Festuca borealis M. K. Ro6hl., Dan. FI. I, 664 (1823). 
F. donacina WauL. Fi. Suec. 64 (1824-26). 
Scolochloa festucacea Link, Hort. Berol. I, 137 (1827). 
Triodia festucacea Hicuw. Sk. 119 (1830). 
Glyceria arundinacea Fr. Nov. Mant. II, 8 (1832-42). 
Fluminia arundinacea FR. Summ. I, 247 (1846-49). 
Graphephorum festucaceum GRAY, Ann. Bot. Soc. Can. I, 57 (1861). 
G. arundinaceum AscH. FI. Brand. 852 (1866). 
Wats. and Coult., Gray’s Man. 6 ed. 666; Mac., KI. Can. II, 229; Up- 
ham, Fl. Minn. 165; Engl. Hackel, Nat. Pflanz. I], 2, 74; Richt., Pl. Eur. 
I, 89; Nym., Fl. Eur.; Led., Fl. Ross.; Hart., Fl. Scand. I, 505. 
Northern Europe and Baikal Siberia. 
North America: Lake of the Woods and Saskatchewan, 
throughout the prairie region and to the Peace river country; 
S. to Emmet Co., Iowa. 
Minn. valley: W. and N. W. districts and 8. edge; 
edges of lakes or streams. 
Hers.: Cratty 5, Emmet Co., Iowa, state line. 
PANICULARIA Fasr. En. Pl. Helm. 378 (1763). 
Glyceria R. Br. Prodr. 179 (1810). 
Hydrochloa HARrTM. Gram. Scand. 8 (1819). 
Porroteranthe StEupD. Syn. Glum. I, 287 (1855). 
Exydra ENDL. Fl. Posen. 119 (1830). 
Benth. and Hook., Gen. Pl. III, 1197; Durand, Ind. Gen. Phan. 478; 
Engler and Prantl, Nat. Pflanz. 2, II, 74; O. Kuntze, Rev. Gen. II, 782. 
Living species: 16; principally N. America; a few 
Europe and Asia; 1, Australia. Europe, 9-10; Russia, 6; 
North America, 15; Canada, 14; California,’ 3-4; Rocky mts, 
4; Pl. Wheel., 4; E. Sts., 8; S. Sts., 4; Pl. King, 3. 
Panicularia fluitans (Linn.) OK. Rev. Gen. I, 782 (1891). 
Festuca jfluitans LINN. Spec. 75 (1753). 
Hydrochloa fluitans Host. Gram. I, 141 (1801). 
Poa fluitans KoEL. Gram. 204 (1802'. 
Glyceria fluitans R. Br. Prodr. I, 179 (1810). 
Wats. and Coult., Gray’s Man. 6 ed. 667; Britt., Fl. N. J. 296; Wats., 
Fl. Calif. II, 307; Vas., Agr. Grasses U. 8. 70; Upham, Fl. Minn. 167; 
Chap., Fl. So. St. 561; Engl. Hackel, Nat. Pflanz. II, 2,74; Richt., Pl. Eur. 
I, 90; Led., Fl. Ross. IV, 394; Hook., Fl. Gt. Brit. 494; Cov., Fl. Ark. 237; 
Hart., Fl. Scand. I, 501. 
Cosmopolitan—Europe, Asia, Africa, Australia. 
North America: N. Br., Q., Ont. to Saskatchewan, 
Brit. Col., Vancouver; S. to Oregon and Sierra Nevada; E. to 
Minn., Ark., Tenn. and Atl. coast. 
Minn. valley: Forest district; shallow water of ponds 
or sluggish streams. 
