Wheeler: flora of southeastern Minnesota. 375 



Cenchrus tribuloides L. Sp. PL 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. PL 76. 1753. 



Coll. : Lyon 184, Winnebago. July. 

 Elymus virginicus L. Sp. PL 84. 1753. 



Coll. : Wheeler 418, Jefferson. July. 

 Elymus canadensis L. Sp. PL 83. 1753- 



Coll. : Wheeler 292, Mayville. July. 



CYPERACEiE. 



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



Coll. : Lyon 375, Jefferson. Aug. 

 Cyperus esculentus L. Sp. PL 45. 1753- 



Coll. : Wheeler 526, Jefferson. Aug. 



