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, 
IIT, 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 N. 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. 
Quercus macrocarpa MicHx. Hist. Chénes. 2, 3 (1801). 
Q. olivaeformis Micux. f. Hist. Arb. II, 32 (1810). 
Q. obtusiloba var. depressa Nutr. Gen. IT, 215 (1818). 
Q. alba Hoon. Fl. Bor.-Am. IT, 158 (1840) in part. 
@. 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. 
Hers.: 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. 
Quercus alba Linn. Spec. 996 (17538). 
?Q. sinuata WALT. Fl. Car. 235 (1788). 
Q. alba var. pinnatifida Micox. Hist. Ch?nes. IV, 5 (1801). 
@. alba var. repanda Micux. Hist. Chtnes. IV, 5 (1801). 
Q@. microcarpa A. DC. Prodr. XVI, 2, 22 (1864) 
Wats. and Coult., Gray’s Man. 6 ed. 475; Britt., Fl. N. 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. 
ITT, 1, 57. 
North America: Q., Ont., Maine to N. J. and Fla.; W. 
to Dak., Neb., Kan.? and Tex. 
Minn. valley: S. E. district; wooded hills and banks. 
Hers.: ?Ballard 485, Prior’s lake, Scott Co.; Holzinger 
253, Winona Bluffs. 
XXVIII. ULMACEAE. Elm Family. 
Endlicher, Gen. Pl. 275 (1840) — Ulmaceue and Celtideae; Benth. and 
Hook., Gen. Pl. III, 343 (1880)—Trib. I, II, Urticaceae; Engler in Engler 
and Prantl, Nat. Pflanz 3, 1, 59 (1887). 
