Wheeler: flora of southeastern Minnesota. 377 



Carex vulpinoidea Michx. F1. Bor. Am. 2 : 169. 1803. 



Coll. : Wheeler 144, Winnebago. June. 

 Carex rosea Schk. Riedgr. Nachtr. 15. 7^ 179. 1806. 



Coll. : Wheeler 11, 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: ZS1-f-S6s. 1896. 



Coll. : Wheeler 197, Winnebago. June. 



ARACE^. 

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



Coll. : Lyon 31, Winnebago. June. 

 Arisasma dracontium (L.) SchotT; Melet. i : 17. 1832. 



Coll. ; Lyon 239, May ville ; 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^. 

 Spirodela polyrhiza (L.) Schleid. Linneea, 13: 392. 1839. 



Coll. : Wheeler 113, Winnebago. June. 

 Lemna minor L. Sp. PI. 970. 1753. 



Coll. : Wheeler 112, Winnebago. June. 



COMMELINACEiE. 

 Tradescantia virginiana L. Sp. PL 288. 1753. 



Coll. : Lyon 45, Winnebago. June. 

 Tradescantia reflexa Raf. Ad. Journ. 150. 1832. 

 Coll. : Wheeler 410, Jefferson. July. 

 Not previously reported from Minnesota. 



JUNCACE^. 

 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, W^innebago. June. 



