90 MINNESOTA BOTANICAL STUDIES. 



men so labelled in the University herbarium is Stipa comata 

 Trin. & Rupr. There are no Minnesota specimens of Stipa 

 avenacea in the University herbarium. 



Stipa comata TRIN. & RUPR. Agrost. 3: 75. 1842. Western 

 stipa. 



Not previously reported from Minnesota. 



Herb. : Sheldon, Poplar Island lake, St. Anthony Park. 

 Stipa spartea TRIN. Mem. Acad. St. Petersb. (VI.) i : 82. 1831. 

 Porcupine grass, Devil's darning-needle. 



Common on dry soil throughout. 



Herb. : Numerous specimens. 

 Oryzopsis canadensis (Pom.)ToRR. Fl. N. Y. 2 : 433. 1843. 



Slender mountain rice. 



Oryzopsis juncea (Micnx.) B.S.P. Prel. Cat. N. Y. 67. 

 1888. 



Common in the vicinity of the headwaters of the Mississippi 

 river and probably extending throughout northern Minnesota. 



Herb. : Lyon, Rosendahl, Butters and Wheeler, and Aiton, 

 Lake Itasca ; Sheldon 2071 and 2347, Aitkin county, 2012, 

 Brainerd; Anderson 407, Cass county. 



Oryzopsis asperifolia MICHX. Fl. Bor. Am. i: 51. 1803. 

 White mountain rice. 



Common north of the twin cities, rare south. 



Herb. : Sheldon, 4561, Lake county, 2097, Aitkin county, 

 1926 Hennepin county, 4613 Tower, 6192 Taylors Falls ; Bal- 

 lard, Cass county ; Lyon, Rosendahl, Butters and Wheeler, 38, 

 Lake Itasca. 



Oryzopsis melanocarpa MUHL. Gram. 79. 1817. Black moun- 

 tain rice. 



In woods throughout? 



Herb. : Sandberg, Herrick, Aiton, MacMillan, Hennepin 

 county; Ballard 1794, Cass county; Campbell, St. Cloud; 

 Taylor 949, Glenwood ; Sandberg, Isanti county. 

 Milium effusum L. Sp. PL 61. 1753. Tall millet-grass. 



Rare in moist woods. Not previously reported from Minne- 

 sota. 



Herb.: Sheldon 164, Waseca county, 2996, Milaca ; 

 Wheeler, Ramsey county. 



Muhlenbergia sobolifera (MUHL.) TRIN. Unifl. 189. 1824. 

 Rock muhlenbergia. 



