92 MINNESOTA BOTANICAL STUDIES. 



Alopecurus geniculatus L. Sp. PL 60. 1753. Marsh foxtail. 

 The flowering glume of this species, with its geniculate awn 

 about twice the length of the glume, clearly distinguishes this 

 from the next, with its straight awn barely equalling the glume 

 in length. 



Rare in moist places southwest. All previous reports refer 

 to the following species. 



Herb. : Moyer, Montevideo ; Lugger, Pipestone. 

 Alopecurus fulvus SMITH, Engl. Bot. pi. 1467. 1793. Marsh 



foxtail. 

 Alopecurus geniculatus fulvus SCRIBN. Mem. Torr. Club, 



5:38. 1894. 

 Alopecurus geniculatus aristulatus TORR. Fl. U. S. I : 97. 



1824. 



Common in wet soil throughout. 



Herb. : Well represented by collections from all parts of the 

 state. 



Alopecurus pratensis L. Sp. Pi. 60. 1753. Meadow foxtail. 

 Locally escaped from cultivation. 

 Herb. : Chapman, Hennepin county. 

 Sporobolus asper (MICHX.) KUNTH. Enum. i: 210. 1833. 



Reported from Minnesota in Upham's catalog. Probably 

 does not occur in this state. 



Sporobolus vaginaeflorus (TORR.) WOOD, Classbook, 775 . 1861 . 



Reported from Minnesota but probably does not occur here. 



Illinois is given as the northwestern limit in Britton's Manual. 



Sporobolus neglectus NASH, Bull. Torr. Club, 22: 464. 1895. 



Small rush-grass. 



Dry places, rare. Not previously reported from Minnesota. 

 Herb. : Sheldon 3820, Otter Tail county (?). 

 Sporobolus brevifolius (NUTT.) SCRIBN. Mem. Torr. Club, 5: 



39. 1895. Short leaved rush-grass. 

 Sporobolus depauperatus SCRIBN. Bull. Torr. Club, 9: 



103. In part. 1882. 

 Prairie region, southwest. 



Herb.: Sheldon, Brown's Valley, Lake Benton ; Menzel, 

 Pipestone. 

 Sporobolus cuspidatus (TORR.) WOOD, Bot. and Fl. 385. 1870. 



Prairie rush-grass. 



Sporobolus brevifolius SCRIBN. Mem. Torr. Club, 5: 39. 

 In part. 1895. 



