Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 375 



Cenchrus tribuloides L. Sp. PI. 1050. 1753. 



Coll. : Lyon 287, Jefferson. July. 

 Zizania aquatica L. Sp. PI. 991. 1753. 



Coll. : Wheeler 523, Jefferson. Aug. 



Homalocenchrus virginicus (WILLD.) BRITTON, Trans. N. Y. 

 Acad. Sci. 9: 14. 1889. 



Coll. : Wheeler 564, Jefferson. Aug. 

 Spartina cynosuroides (L.) WILLD. Enum. 80. 1809. 



Coll. : Wheeler 426, Jefferson. July. 



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

 1805. 



Coll. : Wheeler 347, Crooked Creek; Lyon 291, Jefferson. 



July- 



Bouteloua curtipendula (MICHX.) TORR. Emory's Rep. 153. 

 1848. 



Coll. : Wheeler 362, Crooked Creek. July. 

 Eragrostis hypnoides (LAM.) B.S.P. Prel. Cat. N. Y. 69. 

 1888. 



Coll. : Wheeler 524, Jefferson. Aug. 

 Koeleria cristata (L.) PERS. Syn. i : 97. 1805. 



Coll. : Lyon 113, Winnebago. June. 

 Panicularia americana (TORR.) MACM. Met. Minn. 81. 1892. 



Coll. : Lyon 59, Winnebago. June. 

 Bromus ciliatus L. Sp. PL 76. 1753. 



Coll. : Lyon 414, Winnebago. Aug. 

 Bromus kalmii A. GRAY, Man. 600. 1848. 



Coll. : Lyon 259, Jefferson. July. 

 Bromus secalinus L. Sp. PI. 76. 1753. 



Coll. : Lyon 184, Winnebago. July. 

 Elymus virginicus L. Sp. PI. 84. 1753. 



Coll. : Wheeler 418, Jefferson. July. 

 Elymus canadensis L. Sp. PI. 83. 1753. 



Coll. : Wheeler 292, Mayville. July. 



CYPERACE^. 



Cyperus schweinitzii TORR. Ann. Lye. N. Y. 3 : 276. 1836. 



Coll. : Lyon 375, Jefferson. Aug. 

 Cyperus esculentus L. Sp. PI. 45. 1753. 



Coll. : Wheeler 526, Jefferson. Aug. 



