336 METASPERMAE OF THE MINNESOTA VALLEY. 



North America: Saskatchewan to N. W. T.; S. to 

 Minn., Neb., Ark., S. Colo, and Tex. 



Minn, valley: W. and S. at higher levels; dry prai- 

 ries and meadows. 



Herb.: Sheldon 1371, Lake Benton; Taylor 1016, 

 Glenwood; Herlj. Moyer 43, Montevideo. 



Liniini sulcatum Riddell, Cat. PI. Ohio Suppl. 10 (1836). 

 L. striatum Nutt. Gen. I, 206 (1818) not Walt. 

 L. rigidum T. and G. Fl. I, 204 (1838) in part. 

 Wats, and Coult., Gray's Man. 6ed. 102; Webb., Fl. Neb. 121; Upham, 

 Fl. Minn. 35; Britt., Fl. N. J. 71; Mac, Fl. Can. I, 89; Coult., Fl. Tex. 

 47; Cov., Fl. Ark. 171; Wats., Bibl. Ind. I, 147. 



North America: Ont. to N, W. T.; S. to Mass., N. J.; 

 W. to Minn., Dak., Neb., Ark. and Tex. 



Minn, valley: Throughout; prairies; dry meadows 

 and forest openings; common. 



Herb.: Sheldo7illl7,S-pr'mgQ.eld; Sheldon 1447, Vv^q- 

 stone City; Sheldon S24, Cottonwood river near Sleepy Eye; 

 Taylor 791, Glenwood; Herrick 54, Minneapolis; Herrick 55, 

 Minneapolis; Sandherg 102, Goodhue Co.; Oesilund 19, Minne- 

 apolis; Gedge 3, Detroit lake; Sandherg 103, Cannon Falls; 

 Herb. Sheld. 1704, Minneapolis; Herb. Moyer 42, Montevideo. 



Linum lewisii Pursh, Fl. Am. 210 (1814). 



L. perenne var. leioisii Eat. and Wr. Man. 302 (1841), 

 Wats, and Coult., Gray's Man. 6ed. 102; Webb. Fl. Neb. 121; Upham, 

 Fl. Minn. 35; Coult., Fl. Colo. 42; Brew, and Wats., Fl. Calif. T, 89; Mac, 

 Fl. Can. I. 89; Coult , Fl. Tex. 46; Cov., Fl. Ark. 171; Wats., Bibl. Ind. I, 

 146. 



North America: Man. to Pac. and Arctic ocean; S. to 

 Calif.; in mts. to Colo., Arizona and Mexico; E. to Ark , Neb., 

 Iowa and Minn. 



Minn, valley: N. W. district and Leaf hills; rare; dry, 

 high prairies and hillsides. 



LVI. RUTACEAE. Rue Family. 



Endlicher, Gen. PL 1159 (1840); Aurantiaceae, Zanthoxyleae, Diosmcae, 

 Endl. Gen. PI. 1143-1149 (1840); Benth. and Hook., Gen. PI. I, 278(1862); 

 Baillon, Hist. PL TV, 373 tl873)— excl. series X, Cneoraceae. 



Genera: 125 ±; center in S. Africa and Australia; 

 principally tropical and temperate; almost absent from tropical 

 Africa. 



Species: 800 ±, many arborescent. 



