LIST OF HIGHER SEED-PRODUCING PLANTS. 161 



Juno Tratt. R. and S. Syst. I, 471, 47-1 (1817). 

 Benth. and Hook., Gen. PI. Ill, 686; Durand, Ind. Gen. Phan. 412; 

 Engler and Prantl, Nut. Pflanz. 2, V, 145 (Pax^^; Schenck, Palaeophyt. 364. 

 Living species: 100; temperate and warmer N. hemis- 

 phere; Russia, 38; Europe, 41; Russian Europe, 14; N. Amer- 

 ica, 20; California, 6; S. Sts., 7; Rocky mts., 2; E. Sts., 6; Can- 

 ada, 6-7; PL King, 1; PI. Wheel., 1. 



Fossil species : Tertiary, Oeningen (Heer) ; Greenland, 

 Spitzbergen, Grinnell-Land — Iridium (Heer). 



Iris versicolor Linn. Spec. 39 (1753). 

 ?I. hexagona Walt. F1. Car. 66 (1788). 

 I. virginica Pursh, F1. Am. 29 (1814). 

 Wats, and Coult., Gray's Man. 6 ed. 513; Britt., Fl. N. J. 237; Mac, 

 Fl. Can. II, 23; Upham, Fl. Minn. 143; Chap., Fl. S. St. 472; Cov., Fl. Ark. 

 223; Webb., Appx. Neb. 26. 



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

 N. J. , Pla. ; W. to Minn. , Neb. and Ark. 



Minn, valley: Throughout; abundant; marshes and 

 swamps ; wet meadows and edges of streams. 



Herb. : Ballard 57, Chaska; Sheldon 367, Madison Lake, 

 Blue Earth Co.; Taylor 299, Janesville; Sheldon 12, Elysian; 

 iTassiifee 23tf, Minneapolis; Oestlund 197, Hennepin Co.; Holz- 

 inger 279, Winona Co.; Bailey 220, Vermilion lake; Sandherg 

 561, Goodhue Co.; Hammond 41, Lake City; Herb. Moyer 233, 

 Montevideo. 



SISIRINCHIUM Linn. Gen. 689 (1737). 

 Souza Velloz. Fl. Flum. 273 (1827). 

 Syorhyncliiuin Hoffm. ex Durand, 1. c. (1888). 

 Bernuuliaua Adans. Fam. II, 60 (1763'. 

 Eclithroneuia, Glumosia, £i'iphilenia Herb. Bot. Reg. 

 Hydastylus Salish. Trans. Hort. Soc. I, 310 (1812). 

 Benth. and Hook., Gen. PI. Ill, 698; Durand, Ind. Gen. Phan. 413; 

 Engler and Prantl, Nat. Pflanz. 2, V, 150 (Paxj. 



Living species: 50; America, especially tropics; ex- 

 tending to Canada and Magellan. N. America, 6-8; California, 

 3-4; Canada, 4; E. Sts., 3; S. Sts., 2-3. 



Sisyriiichium mucroiiatum Michx. Fl. N. Am. H, 33 (1803). 



S. angiistifoliuni Auct. (in part.) 

 Wats, and Coult., Gray's Man. 6 ed. 515; Britt., Fl. N. J. 238; Webb., 

 Fl. Neb. 108; Chap., Fl. S. St. 474; Coult., Fl. Colo. 345; Mac., Fl. Can. II, 

 25; Upham, Fl. Minn. 143; Roth., Wheel. Exp. 266; Cov., Fl. Ark. 223. 

 North America: Ranges with S. angustifolium Mill. 

 Minn, valley: N. E. and N. districts; infrequent; hab- 

 itat like that of S. angustifolium Mill. 

 -11 



