538 MINNESOTA BOTANICAL STUDIES. 



♦ABISTOLOCHIACEAE. 



Asarum caiiadense L. Sp. PL 442. 1753. 



Rich leaf mould, on shady wooded hillsides. Port Snelling; 

 lake Itasca. May, June. Nos. 45, 1052. 



POLYGONACEAE. 



Rumex acetosella L. Sp. PL 338. 1753. 

 Road sides. Vermilion lake. July. No. 488. 



Rumex biitannica L. Sp. PL 334. 1753. 

 Bogs. Sandy lake. 



Eumex persicarioides L. Sp. PL 335. 



River banks. Aitkin county. August. No. 813. 



Polygonum punctatum Ell. Bot. S. C. and Ga. 1:455. 1817. 

 Moist places. Centre City. July. No. 968. 



Polygonum ainphibium L. Sp. PL 361. 1753. 

 In water. Centre City. July. No. 657. 



Polygonum cillnode Michx. Fl. Bor. Am. 1:241. 1803. 



Sandy hillsides. Pokegama lake; lake Itasca. June. Nos. 

 204, 1015. 



Polygonum scaudens L. Sp. PL 364. 1 753. 



Sandy soil. Grand Rapids. August. No. 733. 



Polygonum hydropiper L. Sp. PL 361. 1753. 

 Wet places. Minneapolis. September. No. 967. 



Polygonum incarnatum Ell. Bot. S. C. and Ga. 1 : 456. 1817. 

 In wet situations. Minneapolis. September. No. 962. 



Polygonum pennsylvanicum L. Sp. PL 362. 1753. 



In moist situations. Minneapolis. September. No. 961. 



Polygonum sagittatum L. Sp. PL 363. 1753. 



Bogs. Aitkin county. Minneapolis. August. Nos. 833, 992. 



CHENOPODIACEAE. 



Chenopodium album L. Sp. PL 219. 1753. 



Moist places. Vermilion lake. July. No. 510. 



Chenopodium eapitatnm (L.) S. Watson. Bot. Cal. 2: 48. 1880. 

 Gravelly soil, and river banks. Lake Pokegama; Aitkin 

 county. August. Nos. 246, 821. 



Chenopodium hybridum L. Sp. PL 219. 1753. 

 Waste places. Aitkin county. August. No. 845. 



