352 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; Both., Wheel. Exp. 42, 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. 



HERB. 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 MARSH. Arbust. Amer. 2 (1785). 

 ?A. carolinianum WALT. Fl. Car. 251 (1788). 

 A. coccineum MICHX. f. Arb. Am. II, 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. 318; Britt., Fl. N. J. 78; Chap , 



Fl. S. St. 81; Upham, Fl. Minn. 40; Mac., Fl. Can. I, 99; Cov., Fl. Ark. 



173; Wats., Bibl. Ind. 1, 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. 



HERB.: Bailey 186, Vermilion lake; Sandberg 121, 

 Goodhue Co. 



Acer barbatum MICHX. Fl. N. Am. II, 252 (1803). 

 A. saccliarinum WANG. Amer. Holz. 26 (1787) not Linn. 

 A. saccharophorum KOCH, 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. S. St. 80; Mac., Fl. Can. I, 99; O)v., Fl. Ark. 173; Wats., Bibl. Ind. 1, 

 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. 



HERB.: Bollard 120, Chaska; Sheldon 297, Madison 

 Lake; Sheldon 808, Sigel township, Brown Co.; Taylor 159, 

 Janesville; Holzinger 48, Winona Co.; Sandberg 119, Vasa; 



