Holzinger: determination of plants. 547 



Kubus parviflorus Nutt. Gen. 1:308. 1818. 



Copses and woods. Thompson; Two Harbors. July, Au- 

 gust. Nos. 416, 893. 



Rnlms strigosns Michx. PL Bor. Am. 1 : 297. 1803. 



Copses. Lakes Pokegama, Vermilion, Itasca. June, July. 

 Nos. 214, 494, 1173. 



Rnhus americanns (Pers ) Britt. Mem. Torr. Bot. Club. 

 5:185. 1893-4. 

 Low grounds and woods. Thompson. May, July. Nos. 

 78, 419. 



Kulms villosus Ait. Hort. Kew. 2:210. 1789. 

 Copses. Lake Itasca. June. No. 1085. 



Fragaria rosea L. Sp. PI. 494. 1753. 



Low ground. Thompson; Sugar brook; lake Itasca. May, 

 June. Nos. 70, 228. 1098. 



Fragaria virginiana Duchesne, var. illinoensis (Prince) A. 

 Gray. Man. ed. 5. 155. 1867. 

 Rich sandy copses and woods. Thompson; Grand Rapids; 

 lake Itasca. May, June. Nos. 96, 298, 1101. 



Potent ilia argentea L. Sp. PI. 497. 1753. 

 Sandy soil. Minneapolis. July. No. 589. 



Potentilla arguta Pursh. Fl. Am. Sept. 736. 1814. 



Rocky soil and woods. Thompson; lake Itasca. June, July. 

 Nos. 128, 549, 1067. 



Potentilla canadensis L. Sp. PL 498. 1753. 

 Copses. Minneapolis. June. No. 281. 



Potentilla fruticosa L. Sp. PL 495. 1753. 



Copses and crevices of rocks. Two Harbors. July, August. 

 Nos. 440, 900. 



Potentilla raonspeliensis L. Sp. PL 499. 1753. 



Roadsides, copses and fields. Lakes Vermilion, Itasca. 

 July. Nos. 490, 1160. 



Potentilla pennsjlvanica L. Mant. 76. 1767. 

 Sandy soil. Minneapolis. July. No. 565. 



Potentilla inillegrana Engelm. Lehm. Ind. Sem. Hamb. 

 Add. 12. 1849. 

 Rocky soil. Thompson. July. No. 399. 



Potentilla tridentata Soland. in Ait. Hort. Kew. 2:216. 

 1789. 



