50 METASPERMAE OF THE MINNESOTA VALLEY. 
North America: Ont., N. Y. and N. J. to Minn., Neb. 
and Ark. 
Minn. valley: Reported from S. E. and S. W. edges, 
doubtfully indigenous; boggy places or drier soil. 
HERB.: Sandberg 600, Red Wing. 
Panicum dichotomum Linn. Spec. 58 (17538). 
P. pubescens, nitidum and laxiflorum LAM. Enc. Meth. IV, 749 (1797). 
P. barbulatum and ramulosum Micux. F1.N. Am. I, 46 (1803). 
? P. microcarpon MunL. Gram. 112 (1817). 
Wats. and Coult., Gray’s Man., 6 ed. 633; Britt., Fl. N. J. 280; Chap., 
Fl. So. St. 576; Mac , Fl. Can. II, 178; Webb., FI. Neb. 105; Coult., Fi. 
Colo. 404; Wats., Fl. Calif. II, 259; Upham, Fl. Minn. 172; Wats., King 
Exp. 394; Cov., Fl. Ark. 232; Vas., Mon. 30. 
North America: Newf., N. S., Q., Ont. to Owen Sound, 
Ste. Marie and Thunder Bay; S. to N. Y., N. J., Fla.; W. to 
Minn., Neb., Ark., Colo., Calif. and S. to N. Mex. 
Minn. valley: Forest district and probably W.; dry 
fields and along embankments. 
Hers.: Ballard 8, Chaska; Sheldon 1100, Springfield; 
Ballard 278, Jordan, Scott Co.; Ballard 520, Prior’s Lake, 
Scott Co.; Ballard 315, Belle Plaine; Ballard 544, Spring Lake, 
Scott Co.; Ballard 637, Chaska; Sheldon 1216, New Ulm; Shel- 
don 515, Waseca [var. pubescens (Lam.)]; Oestlund 346, Minne- 
apolis; Oestlund 347, Minneapolis [var. pubescens (Lam.)]; Herb. 
Sheld. 1709, 1798, Minneapolis. 
Panicum depauperatum Muni. Gram. 112 (1817). 
?P. strictuum PursH, Fl. Am. 69 (1814). 
P. rectum R.and 8. Syst. II, 457 (1817). 
P. involutum Torr. FI. U.S. I, 144 (1824). 
_ Wats. and Coult., Gray’s Man., 6 ed. 633; Britt., Fl. N. J. 279; Mac., Fl. 
Can. II, 177; Webb., Fl. Neb. 106; Upham, Fl. Minn. 173; Chap., Fl. So. 
St. 576; Cov., Fl. Ark. 232; Vas., Mon. 29. 
North America: Newf., N. S., Q., Ont. to Saskatch- 
ewan; S. to N. Eng., N. Y., N. J., N. Car.; W. to Minn., Neb. 
and Ark. : 
Minn. valley: Forest district; dry woods; hillsides, 
along embankments and shores of lakes. 
HeERsB.: Leiberg 104, Blue Earth Co.; ? Sandberg 599, 
Cannon Falls; Herb. Sheld. 1797, Minneapolis. 
Panicum scoparium Lam. Ene. Meth. IV (1797). 
P. pauciflorum Eu. Sk. 1. (1821). 
Wats. and Coult., Gray’s Man., 6 ed. 632; Britt., Fl. N. J. 280; Webb., 
Fl. Neb. 106; Mac., Fl. Can. II, 180; Coult., Fl. Colo. 404; Wats., Fl. Calif. 
259; Upham, Fl. Minn. 172; Chap., Fl. So. St. 575; Cov., Fl. Ark. 233; 
Vas., Mon. 31. 
