852 METASPERMAE OF THE MINNESOTA VALLEY. 
Minn. 40; Webb., Fl. Neb. 120; Mac., Fl. Can. I, 100,504; Coult., Fl. Tex. 
66; Wats., King Exp. 52; Roth., Wheel. Exp. 4%, 84, 357; Cov. Fl. Ark. 173; 
Wats., Bibl. Ind. I, 180. 
North America: Saskatchewan to Man. and Toronto; 
N. Eng., N. J. to Fla.; W. to Mont. Dak., Neb., Colo., Utah 
and Tex.; Arizona; also on Pac. coast in a well-marked variety; 
N. Mex., Mexico. : 
Minn. valley: Forest district and along river banks, 
throughout; moist woods and shores of lakes. 
Hers. Sheldon 1099, Springfield; Sheldon 162, Madi- 
son Lake; Taylor 73, Elysian; Taylor 157, Janesville; Oestlund 
26, Minneapolis; Holzinger 49, Winona Co.; Kassube 52, Min- 
neapolis; Oestlund 27, Hennepin Co.; Sandberg 122, Cannon 
Falls. 
Acer rubrum Linn. Spec. 1055 (1753). 
? A, glaucum Marsu. Arbust. Amer. 2 (1785). 
? A. carolinianum WALT. Fl. Car. 251 (1788). 
A, coccineum Micux. f. Arb. Am. IT, 203 (1810). 
A. sanguineum SpacH, Ann. Sci. Nat. II, 2, 176 (1834). 
A. microphyllum and semiorbiculatum Pax, Engl. Jahrb. VII, 
181 (1888). 
Wats. and Coult., Gray’s Man. 6 ed. J18; Britt., Fl. N. J. 78; Chap , 
Fl. 8. St. 81; Upham, Fl. Minn. 40; Mac., Fl. Can. I, 99; Cov., Fl. Ark. 
173; Wats., Bibl. Ind. I, 176; Sarg., Silva, II, 107; Upham, Suppl. Minn. 50. 
North America: Lat. 49° N. in N. Br., Q. and Ont. to 
S. Fla., W. Man., Dak., Ark., Ind. Terr. and Tex. 
Minn. valley: Forest district; reported from Redwood 
Falls; swampy woodland and river banks. 
HersB.: Bailey 186, Vermilion lake; Sandberg 121, 
Goodhue Co. 
Acer barbatum Micux. Fl. N. Am. II, 252 (1808). 
A, saccharinum WANG. Amer. Holz. 26 (1787) not Linn. 
A. saccharophorum Kocu, Hort. Dendr. 80 (1853). 
A, saccharum Britt. Fl. N. J. 78 (1890) not Marsh. 
Wats. and Coult., Gray’s Man. 6 ed. 117; Upham, Fl]. Minn. 39; Chap., 
Fl. 8. St. 80; Mac.. Fl. Can. I, 99; Cov., Fl. Ark. 173; Wats., Bibl. Ind. I, 
176; Sarg., Silva, II, 97. 
North America: Newf. and N.S. to Man.; S. to Maine, 
N. J. and Va.; W. to Minn., Neb.? and Tex. 
Minn. valley: Forest district, Ft. Snelling to Brown 
Co. and W. to the Chippewa river; rich woods and along 
streams. 
Hers.: Ballard 120, Chaska; Sheldon 297, Madison 
Lake; Sheldon 808, Sigel township, Brown Co.; Taylor 159, 
Janesville; Holzinger 48, Winona Co.; Sandberg 119, Vasa; 
