96 MINNESOTA BOTANICAL STUDIES. 



Avena striata Michx. Fl. Bor. Am. i: 73. 1803. Purple 

 oats. 



Frequent in woods north. 



Herb.: Ballard 1230, Anderson, 406, Cass county; Sand- 

 berg, Washington county ; Aiton, Lake Itasca ; Sheldon 2736, 

 Milaca ; Sandberg 101, N. P. Junction. 

 Avena fatua L. Sp. PI. 80. 1753. Wild oats. 



Common in cultivated and waste ground throughout. Much 

 more widely distributed than the number of herbarium speci- 

 mens would indicate. 



Herb.: Moyer, Chippewa county; Ballard, 836, Waconia. 

 Arrhenatherum elatius (L.) Beauv. ; M. & R. Deutsch. Fl. 1 : 

 546. 1823. Oat-grass. 



Adventive near the Twin Cities and perhaps elsewhere in the 

 state. 



Herb. : Sandsten, Ramsey county. 

 Danthonia spicata (L.) Beauv. ; R. & S. Syst. 2: 690. 1817. 

 Wild oat-grass. 



Common throughout in dry soil. 



Herb.: Ballard, Nicollet and Cass counties; Sandberg, 

 Carlton and Douglas counties; Aiton, Lake Itasca; Wood, no 

 locality; Sheldon 2833, Kanabec county; Rosendahl 514, 

 Spring Grove. 



Spartina cynosuroides (L.) Willd. Enum. 80. 1809. Tall 

 marsh-grass, Fresh-water cord-grass. 



Common in wet places throughout. 



Herb. : Numerous collections. 

 Spartina gracilis Trix. Agrost. 1 : 88. 1840. Inland cord- 

 grass. 



Rare in alkaline soil southwest. 



Herb. : Menzel, Pipestone, Aug., 1894. 

 Schedonnardus paniculatus (Nutt.) Trelease, Branner & 

 Coville, Rep. Geol. Surv. Ark. 1888 : Part 4, 236. 1891. 

 Schedonnardus. 



Rare southwest. 



Herb, : Menzel, Pipestone, July, 1895. 

 Bouteloua hirsuta Lag. Var. Cienc. y Litter. 2: Part 4, 141. 

 1805. Hairy mesquite-grass. 



Common in dry soil throughout. 



Herb. : Numerous specimens. 



