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 dichotonnini Linm. Spec. 58 (1753). 



P. pubescens, nitidum and laxitlorum Lam. Enc. Meth. lY, 749(1797). 

 P. barbidatum and ramulosum Micnx. Fl.N. Am. I, 46 (1803). 

 ? P. microcarpon Muhl. Gram. 112 (1817 i. 

 Wats, and Coult.. Gray's Man., 6 ed. 633; Britt., Fl. N. J. 280; Chap., 

 Fl. So. St. 576: Mac , Fl. Can. II, 178; WeV)h., Fl. Neb. 106: Coult., Fl. 

 Colo. 404; Wats., Fl. Calif. II, 259: Upham, Fl. Minn. 172; Wats., King 

 Exp. 394; Cov., Fl. Ark. 232; Yas., 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. 



Herb. : 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 (Law.)]; Oesilund 346, Minne- 

 apolis; Oesthmd 347, Minneapolis [var. pubescens (Lam.)]; Herb. 

 Sheld. 1709, 1798, Minneapolis. 



Panicum depauperatum Muhl. Gram. 112 (1817). 



? P. strictum Puitsn, Fl. Am. 69 (1814). 

 P. rectum R. and S. Syst. II, 457 (1817). 

 P. involutum Tour. Fl. 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; Yas., 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. 



Herb. : Leiberg 104, Blue Earth Co. ; ? Sandberg 599, 

 Cannon Falls; Herb. Sheld. 1797, Minneapolis. 



Panicum scoparium Lam. Enc. Meth. IV (1797). 

 P. paudjloruni Ell. Sk. 1. (1821). 

 Wats, and Coult., Gray's Man., 6 ed. 632: liritt., 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. 2.33; 

 Yas., Mon. 31. 



