Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 375 
Cenchrus tribuloides L. Sp. Pl. 1050. 1753. 
Coll. : Lyon 287, Jefferson. July. 
Zizania aquatica L. Sp. Pl. 991. 1753. 
Coll.: Wheeler 523, Jefferson. Aug. 
Homalocenchrus virginicus (Wi1LLp.) Brirron, Trans. N. Y. 
Read. nocig: ans. 1880; 
Coll.: Wheeler 564, Jefferson. Aug. 
Spartina cynosuroides (L.) Wi_tp. Enum. 80. 1809. 
Coll. : Wheeler 426, Jefferson. July. 
Bouteloua hirsuta Lac. Var. Cienc. y Litter 2: Part 4, 141. 
1805. 
Coll. : Wheeler 347, Crooked Creek; Lyon 291, Jefferson. 
July. 
Bouteloua curtipendula (Micux.) 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. 
Keeleria cristata (L.) Pers. Syn. 1: 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. 
CYPERACEZ. 
Cyperus schweinitzii Torr. Ann. Lyc. N. Y. 3: 276. 1836. 
Coll. : Lyon 375, Jefferson. Aug. 
Cyperus esculentus L. Sp. Pl. 45. 1753. 
Coll.: Wheeler 526, Jefferson. Aug. 
