532 METASPERMAE OF THE MINNESOTA VALLEY. 



Wats, and Coult., Gray's Man. 6 ed. 271; Webb., Fl. Neb. 147; Upham, 

 Fl. Minn. 78; Chap., Fl. S. St. 221; Mac., Fl. Can. I, 239, 549; Cov., FL 

 Ark. 193; Engl. Hoffmann, Nat. Pflanz. IV, 5, 218; Gray, Syn. Fl. I, 2, 

 240. 



North America: Detroit river to Minn, and Neb. ; S. 

 to Ark., mts. of Ga. and La. 



Minn, valley: Throughout; gullies and ravines, edges 

 of woods and thickets; wet places. 



HERB.: Sheldon 1298, Lake Benton; Tay lor 723, Min- 

 nesota lake; Bollard 391, Jordan, Scott Co. ; Bollard 772, Swan 

 lake, Carver Co.; Taylor 702, Minnesota lake; Sheldon 901, 

 Sleepy Eye; Sheldon 374, Lake Ballentyne, Blue Earth Co.; 

 Sheldon 768, Sleepy Eye; Kassube 135, Minneapolis; Herrick 

 155, Minneapolis; Sandberg 312, Goodhue Co. ; Herb. Moyer 131, 

 Minnesota valley, near Montevideo. 



SilpMum integrifolium MICHX. Fl. N. Am. II, 146 (1803). 

 S. laevigatum PURSH, Fl. Am. II (1814). 

 S. speciosum NUTT. Trans. Am. Phil. Soc. VII, 341 (1841). 

 8. integrifolium var. laeve T. and G. Fl. II, 279 (1841). 

 Wats, and Coult., Gray's Man. 6 ed. 271; Webb., Fl. Neb. 147; Upham, 

 Fl. Minn. 78; Cov., Fl. Ark. 193; Gray, Syn. Fl. I, 2, 240; Coult., Fl. Tex. 

 205. 



North America: Mich, to Minn, and Neb.; S. to Mo., 



Ark., Tex. and W. Ga. 



Minn, valley: Reported from S. E. district; rare or 

 local; prairies and hillsides or embankments. 



Si lp Iii u 11 1 terebinthinaceum JACQ. Hort. Vindob. I, 43 

 (1762). 



Wats, and Coult., Gray's Man. 6 ed. 270; Mac., Fl. Can. I, 239; Cov., 

 Fl. Ark. 193; Engl. Hoffmann, Nat. Pflanz. IV, 5, 218; Gray, Syn. FL I, 

 2, 242. 



North America: Ohio, Mich., Wise., Minn, and Dak. 

 to Neb., Tex., Ark., Ga., La. 



Minn, valley: S. central district; rare; prairies and 

 banks. 



Silphium laciniatum LINN. Spec. 919 (1753). 

 S. spicatum Pom. Suppl. V, 157 (1811). 

 S. gummiferum ELL. Sk. II, 426 (1824). 



Wats, and Coult , Gray's Man. 6 ed. 270; Webb., Fl. Neb. 147; Upham, 

 Fl. Minn. 78; Coult., Fl. Colo. 179; Chap., Fl. S. St. 220; Cov., Fl. Ark. 

 193; Engl. Hoffmann, Nat. Pflanz. IV, 5, 218; Gray, Syn. Fl. I, 2, 242: 

 Coult., Fl. Tex. 205. 



North America: Minn., Wise, and Dak. to Neb., Colo., 

 Ark. and Tex. ; E. to Alabama. 



Minn, valley: S. central and S. W. districts; E. to 

 Waseca; banks, hillsides and prairies. 



