Eolzinger: determinations of plants. 531 



Carex trisperma Dewey. Am. Jour. Sci. 9:63. 1825. 

 Meadows. Vermilion. July. No. 501. 



Carex umhellata Schkuhr. Riedgr. Nachtr. 75. /. 171. 1806. 

 Crevices of rocks. Thompson; lake Itasca. May, June. 

 Nos. 69, 1109. 



Carex utricnlata Boott. Hook. Fl. Bot. Am. 2:221. 1840. 

 Sloughs. Sugar brook; lake Itasca. July. Nos. 224, 1168. 



Carex varia Muhl. Wahl. Kongl. Acad. Handl. (II). 24:159. 

 1803. 

 Slate rocks. N. P. Junction; Thompson. May, June. Nos. 

 100, 296. 



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

 Wet places. Cannon Falls. June. No. 334. 



ARACEAE. 



Acorns calamus L. Sp. PI. 324. 1753. 



Shallow water. Centre City; lake Itasca. July. Nos. 653, 

 1231. 



Calla palustris L. Sp. PI. 968. 1753. 



Marshes, in woods. N. P. Junction. June. No. 166. 



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

 Rich moist woods. Thompson. June. No. 142. 



ERIOCAILACEAE. 



Eriocaulon septangulare Withering. Bot. Arr. Brit. PI. 784. 

 1776. 

 Muddy shores. Morrison county. August. No. 887. 



COMMELINACEAE. 



Tradeseantia virginiana L. Sp. PI. 288. 1753. 

 Sandy exposed soil. Minneapolis. June. No. 291. 



PONTEDERIACEAE. 



Pontederia cordata L. Sp. PI. 288. 1753. 



In water. Ramsey county. September. No. 930. 



JUNCACEAE. 



JtiiK'iis alpiims Villars, var. insignis Fries, Engelm. Trans. 

 St. Louis Acad. 2:459. 1868. 

 Wet rocks. Two Harbors. July. No. 456. 



