192 METASPERMAE OF THE MINNESOTA VALLEY 



Minn, valley: S. E. districts; rare or doubtful; river 

 banks and low woods. 



Quercus muhlenbergii ENGELM. Trans. Acad. St. Louis, 

 III, 591 (1877). 



Wats, and Coult., Gray's Man. 6 ed. 478; Britt., Fl. N. J. 222; Webb., 

 Fl. Neb. 109; Upham, Fl. Minn. 126; Cov., Fl. Ark. 220. 



North America: Mass, to Del. and ]^. J. ; S. to N. 

 Alab.; W. to Minn., E. Neb. and Tex. 



Minn, valley: Reported from the S. E. district; doubt- 

 ful; no Minn, specimens seen. 



(Juercus macrocarpa MICHX. Hist. Chenes. 2, 3 (1801). 

 Q. olivaeformis MICHX. f. Hist. Arb. II, 32 (1810). 

 Q. obtusiloba var. depressa NUTT. Gen. II, 215 (1818). 

 Q. alba HOOK. Fl. Bor.-Am. II, 158 (1840) in part. 

 Q. stellata var. depressa A. DC. Prodr. XVI, 2, 23 (1864). 



North America: N. Br., Q., Ont. to Man. and Assini- 

 boia; S. to Mass, and Penn. ; W. to Minn., Dak., Neb., Kan. 

 and Ark. 



Minn, valley: Throughout; hillsides, knolls .and 

 banks of lakes and streams. 



HERB. : Ballard 408, Jordan, Scott Co. ; Taylor 470, 

 Janesville; Taylor, 692 Minnesota lake; Sheldon 474, Madison 

 Lake; Oestlund 175, Hennepin Co.; Sandberg 498, Red Wing; 

 Bailey 63, Vermilion lake; Bailey 534, Mud lake; Herb. Wick- 

 ersheim 114, 115, Idlewild, Lincoln Co.; Herb. Moyer 223 

 Montevideo. 



(Juercus alba LINN. Spec. 996 (1753). 

 ? Q. sinuata WALT. Fl. Car. 235 (1788). 

 Q. alba var. pinnatifida MICHX. Hist. Chfcnes. IV, 5 (1801). 

 Q. alba var. repanda MICHX. Hist. Chines. IV, 5 (1801). 

 Q. microcarpa A. DC. Prodr. XVI, 2, 22 (1864) 

 Wats, and Coult., Gray's Man. 6 ed. 475; Britt., Fl. 1ST. J. 222; Webb., 

 Fl. Neb. 109; Upham, Fl. Minn. 126; Chap., Fl. S. St. 423; Mac., Fl. Can. I, 

 440; Wats., King Exp. 321; Cov., Fl. Ark. 220; Engl. Prantl, Nat. Pflanz. 

 Ill, 1, 57. 



North America: Q., Ont., Maine to N. J. and Pla. ; W. 

 to Dak., Neb., Kan.? and Tex. 



Minn, valley: S. E. district; wooded hills and banks. 

 HERB. : ? 'Ballard 485, Prior's lake, Scott Co. ; Holzinger 

 253, Winona Bluffs. 



XXVII. ULMACEAE. Elm Family. 



Endlicher, Gen. PL 275 (1840) Ulmaceae and Celtideae; Benth. and 

 Hook., Gen. PL III, 343 (1880) Trib. I, II, Urticaceae; Engler in Engler 

 and Prantl, Nat. Pflanz 3, I, 59 (1887). 



