194 METASPERMAE OF THE MINNESOTA VALLEY. 



Minn, valley: Throughout; abundant; rich woods and 

 around lakes. 



HERB.: Sheldon 1579, Lake Benton; Sheldon 380, 

 Madison Lake, Blue Earth Co. ; Oestlund 171, Hennepin Co. ; 

 Sandberg 493, Goodhue Co.; Herb. Sheld. 1908, Minneapolis; 

 Herb. Moyer 219, Chippewa river, near Montevideo. 



Ulmus fiilva MICHX. PL N. Am. I, 172 (1803). 

 U. americana LINN. Herb. Banks. 

 17. pubescens WALT. Fl. Car. Ill (1788). 

 U. americana var. rwbra AIT. Hort. Kew. I, 319 (1789). 

 U. crispa WILLD. Enum. 295 (1809). 

 U. rubra MICHX. f. Sylv. Ill, 138 U819). 



Wats, and Coult., Gray's Man. 6 ed. 462; Britt., Fl. N. J. 21f; Mac., Fl. 

 Can. I, 427; Webb., Fl. Neb. Ill; Chap., Fl. S. St. 416; Upham, Fl. Minn. 

 124; Roth., Wheel. Exp. 357: Cov., Fl. Ark. 218; Engl., Nat. Pflanz. Ill, 

 1,62. 



North America: Q., Ont., to Georgian bay; S. to N. 

 Eng., N. J. and W. Fla.; W. to Dak., Neb , Kan., Ark. 



Minn, valley: Forest district and W. at least to 

 Pomme des Terres valley; along streams and in rich woods. 



HERB.: Taylor 423, Janesville; Sheldon 286, Madison 

 Lake, Blue Earth Co.; Holzinger 209, Winona. Co.; Bailey 237, 

 Vermilion lake; Holzinger 210, Winona Co.; Herb. Moyer 218, 

 Montevideo. 



CELTI8 LINN. Gen. 844 (1737). 



Soleiiostigma ENDL. Prodr. Norf. 41 (1833). 

 Mertensia H. B. K. Nov. Gen. et. Spec. II, 30 (1817). 

 Momisia DUM. An. Fam. 17 (1829). 



Baillon, Hist. Pi. VI, 186; Benth. and Hook., Gen. PL III, 354; Durand, 

 Ind. Gen. Phan. 373; Engler and Prantl, Nat. Pflanz. 3, I, 63; Schenck, 

 Palaeophyt. 474. 



Living species: 50; temperate regions, especially 

 N. and in the tropics. Europe, 2; Russian Europe, 1; Tex. 4-5; 

 Rocky mts., 1; E. Sts., 1; Canada, 1; S. Sts., 1; N. America, 5-6. 

 Fossil species: 12-15 described; Oligocene, Miocene, 

 Atlantic America, Colorado, Japan, Germany (Lesquereaux, 

 Saporta, Goppert). 



Celtis occidental LINN. Spec. ed. 2, 1478 (1762). 



C. oUiqua MOENCH, Meth. 344(1794). 

 C. crassifolia LAM. Enc. Meth. IV, 138 (1797). 

 C. pumila PURSH, Fl. 200 (1814). 

 ? C. canina RAF. Am. Mo. Mag. (1808?). 



C. mississippiensis Bosc. Diet. Ag. n. ed. X, 41 ( ). 



C. alba DC. Prodr. XVII, 177 (1873). 



