Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 377 



Carex vulpinoidea MICIIX. Fl. Bor. Am. 2: 169. 1803. 



Coll. : Wheeler 144, Winnebago. June. 

 Carex rosea Schk. Riedgr. Nachtr. 15. f. ijg. 1806. 



Coll. : Wheeler n, 143, Winnebago. June. 

 Carex tribuloides WAHL. Kongl. Vet. Acad. Handl. (II.) 24: 

 145. 1803. 



Coll. : Wheeler 118, Winnebago. June. 

 Carex cristatella BRITTON, Br. & Br. 111. Fl. N. U. S. & Can. 



I : 357- / 865. 1896. 



Coll. : Wheeler 197, Winnebago. June. 



ARACE.E. 

 Arisaema triphyllum (L.) TORR. Fl. N. Y. 2 : 239. 1843. 



Coll. : Lyon 31, Winnebago. June. 

 Arisaema dracontium (L.) SCHOTT, Melet. i : 17. 1832. 



Coll. : Lyon 239, Mayville; 248. Crooked Creek. July. 

 The only previous collections reported from Minnesota are 

 Manning, Lake Pepin and Holzinger, Winona. Frequent 

 in moist woods along the Mississippi River. 



LEMNACE.E. 

 Spirodela polyrhiza (L.) SCHLEID. Linnaea, 13: 392. 1839. 



Coll. : Wheeler 113, Winnebago. June. 

 Lemna minor L. Sp. PL 970. 1753. 



Coll. : Wheeler 112, Winnebago. June. 



COMMELINACE^). 

 Tradescantia virginiana L. Sp. PI. 288. 1753. 



Coll. : Lyon 45, Winnebago. June. 

 Tradescantia reflexa Raf. Atl. Journ. 150. 1832. 



Coll. : Wheeler 410, Jefferson. July. 

 Not previously reported from Minnesota. 



JUNCACEJE. 



Juncus effusus L. Sp. PI. 326. 1753. 



Coll. : Lyon 58, Winnebago. June. 

 Juncus tenuis WILLD. Sp. PI. 2: 214. 1799- 



Coll. : Lyon 73, Winnebago. June. 



MELANTHACE.E. 



Zygadenus elegans PURSH, Fl. Am. Sept. 241. 1814. 

 Coll. : Lyon 49, Winnebago. June. 



