APPENDIX. 525 



Rudheckia hirta, Linnaeus. Upper Mississippi and Michigan Ter. 



" digiiaia, Aiton. Upper Mississippi. 

 JRxihis 2'>arviJlorus, Nuttall. Lake Superior to the sources of the 

 Miss. 

 " hi32)idus, Linnaeus. Lake Superior. 

 " saxatilis, Var. canadensis, Michaux. Lake Superior. 

 Bosa gemella, Willdenow. Lake Superior. 



" ruhifolia, Brown. Michigan Ter. 

 Bihes alhinervum, Michaux. Sources of the St. Croix Eiver. 

 Saururus cemuus, Linnaeus. Upper Mississippi. 

 /Strejptojms roseus, Michaux. Lake Superior. 

 /Sisymbrium brachycarpum, Eichardson. Lake Superior. 



" chiranthoides, Linnaeus. Lake Superior. 



Sicertia defiexa, Smith. Bois Brul^ Eiver of Lake Superior. 

 Silphium terebinthinaceum, Elliott. Michigan Territory to the Miss. 



" gummiferum. Fox Eiver to the Mississippi. 

 Stachys aspera, Var. Michaux. Lake Superior. 

 Sterocauhn paschale. Lake Superior. 

 Struthiopteris pennsylvanica, Willdenow. Lake Superior. 

 Scirpusfrigetur? Lake of the Isles, Northwest Ter. 



" palustris, Linnaeus. Lake Superior to the Mississippi. 

 Salix prinoides, Pursh. Mauvais Eiver of Lake Superior. 



" longifolia, Muhlenberg. Upper Mississippi. 

 Spircea opuUfolia, Var. tomentella, De Candolle. Lake Superior. 

 Sorbus americana, Willdenow. Lake Huron to the head of Lake 



Superior. 

 Smilax rotundifolia^ Linnaeus. Lake Superior to the Mississippi. 

 Silene antirrhina, Linnaeus. Lac la Biche. 

 Saxifraga virginiensis, Michaux. Lake Superior. 

 Scutellaria ambigua, Nuttall. Upper Mississippi. 

 Solidago virgaurea, Yar. alpina. Lake Superior. 

 StijMJuncea, Nuttall. Usawa E. 



Symphora racemosa, Michaux. Source of the Miss. E. 

 Senecio balsamitcB, Var. Falls of Peckagama, Upper Miss. 

 Sagittaria heterophylla, Pursh. Upper Miss. 

 Tanacetum huronensis, Nuttall. Lakes Michigan and Superior. 

 Tussilago palmata, Willdenow. Lake Michigan. 

 Tofeldia pubens, Michaux. Lake Superior. 

 Triglochin maritimum, Linnaeus. Lake Superior. 



