354 METASPERMAE OF THE MINNESOTA VALLEY. 
Acer pennsylvanicum Linn. Spec. 1055 (1753). 
A. canadense MARSH. Arbust. 3 (1785). 
A, striatum Du Rot, Diss. 58 (1771). 
Wats. and Coult., Gray’s Man. 6 ed. 117; Britt., Fl. N. J. 77; Chap., 
Fl. S. St. 80; Upham, Fl. Minn. 39; Mac., Fl. Can. I, 98; Wats., Bibl. Ind. 
I, 175. 
North America: N.S., N. Br., Q., Ont. to L. Superior; 
S. to N. Eng., N. J., Ga, Ky., Mo.; W. to Minn. 
Minn. valley: Local; bluffs, near Ft. Snelling. 
LXV. BALSAMINACEAE. Balsam Family. 
Endlicher, Gen. Pl. 1173 (1836-40); Bentham and Hooker, Gen. 
Plant. 1, 269 (1862)—sub Geraniaceae; Baillon, Hist. Pl. V, 39 (1874)—sub 
Geraniaceae. 
Genera: 1-2; Tropical Asia and a few in N. temper 
ate floral region and in Africa. 
Species: 225+; center in tropical Asia. 
IMPATIENS Linn. Gen. 680 (1787). 
Balsamina GAERTN. Fruct. II, 151 (1791). 
Hydrocera BLumeE, Bijdr. 241 (1826). 
Tytonia Don, Syst. I, 749 (1831). 
Baillon, Hist. Pl. V, 39; Benth. and Hook., Gen. Pl. I, 277, 278, 989; 
Durand, Ind. Gen. Phan. 53; Gray. Ill. Gen. IT, 133. 
Living species: 225+; 185 (B. and H.); North Amer- 
ica, 2; N. Europe and Asia, 8; Africa and Madagascar, 23; all 
the others in tropical Asia. 
Impatiens biflora Watt. Fl. Car. 219 (1788). 
I. maculata Munu. Cat. 26 (1813). 
1d. fulua Nutr. Gen. I, 146 (1818). 
I. nolitangere var. B. Mitcux. FI. N. Am. II, 149 (1803). 
Wats. and Coult., Gray’s Man. 6 ed. 106; Britt., Fl. N. J. 74; Webb., 
Fl. Neb. 121; Upham, Fl. Minn. 36; Chap., Fl. S. St. 65; Mac., Fl. Can. I, 
62, 502; Cov., Fl. Ark. 171; Wats., Bibl. Ind. I, 152. 
North America: Throughout Can. to lat. 66° N. and 
Alaska; S. to New Eng. and Fla.; W. to Minn., Dak., Neb. 
and Ark. 
Minn. valley: Throughout, but particularly in the for-- 
est district; damp places and edges of swamps; springs. 
Hers.: Sheldon 1043, Sleepy Eye; Taylor 984, Glen- 
wood; Sheldon 27, Elysian; Sheldon 1311, Lake Benton; Ballard 
709, Waconia; Ballard 868, Waconia; Ballard 753, Waconia; 
Ballard 851, Patterson’s lake; Herrick 59, Minnetonka; Herrick 
60, Excelsior; Herrick 61, Minneapolis; Oestlund 22, Hennepin 
Co.; Herrick 62, Minneapolis; Arthur 7, Vermilion lake; Roberts 
