94 MINNESOTA BOTANICAL STUDIES. 



Agrostis perennans (Walt.) Tuckerm. Am. Journ. Sci. 45: 

 44. 1843. Thin grass. 

 Rare in moist places. 

 Herb. : Sandberg, Isanti and Hennepin counties. 



Agrostis hyemalis (Walt.) B.S.P. Prel. Cat. N. Y. 68. 1888. 

 Tickle-grass, Rough hair-grass. 

 Agrostis scabra Willd. Sp. PI. 1 : 370. 1798. 

 Common throughout. 

 Herb. : Very numerous collections. 



Calamagrostis breviseta lacustris Kearney, U. S. Dept. Agric, 

 Div. Agrost. Bull. 11: 25. 1898. Reed-grass. 

 C. Lafifionica A. Gray, Proc. Am. Acad. 6: 78. 1862. 

 In part. 

 Along north shore of Lake Superior. 



Herb. : F. F. Wood, St. Louis and Cook counties. Both 

 specimens in the U. S. Nat. Herbarium. 



Calamagrostis langsdorfi (Link) Trin. Unifl. 225. j>l. 4.. f. 10. 

 1824. Reed-grass, Blue-joint. 

 Near Lake Superior. 

 Herb. : T. S. Roberts, Bailey 519, Agate Bay. 



Calamagrostis canadensis (Michx.) Beauv. Agrost. 157. 1812. 

 Blue-joint, Reed grass. 

 Deyeuxia canadensis Munro ; Hook, f., Trans. Linn. Soc. 



23: 345- 

 Moist soil throughout, common. 



Herb. : Many collections. 



Calamagrostis macouniana Vasey, Monog. Grasses U. S., 

 Contr. U. S. Nat. Herb. 3: 81. 1892. Macoun's reed- 

 grass. 



Rare northwest. 



Herb. : Ballard, Cass county. 



Calamagrostis neglecta (Ehrh.) Gaertn. ; Gaertn., Mey., und 

 Scherb. Fl. Wetteran, 1: 94. 1799. Narrow reed- 

 grass. 

 Deyeuxia neglecta Kunth. Enum. 1 : 76. 1833. 

 In moist soil throughout. 



Herb. : Ballard 925 and 1032, Nicollet county: Sheldon 331 

 and 481, Blue Earth county. 



