204 BOTANY OF MICHIGAN 



woods, and on the "islands''. This and the preceding were formerly 

 included under the name of Viola palmata cucullata Gray. 



Viola fimbriatula Ait. Arrow-leaved violet. Along the railroad be- 

 tween Sebewaing and Akron. Probably frequent throughout in dry 

 sandy ground. 



Viola pollens fBanks) Brainard. Northern white violet. Wet 

 springy places and along the low banks of shaded brooks. Frequent.. 



Viola blanda Willd. Sweet white violet. "Cold swamps in Wells 

 Township." C. A. Davis. 



Viola incognita Brainard. Sweet white violet. Common in rich 

 damp open ground and woods. 



Viola pubescens Ait. Downy yellow violet. In dry woods and on dry 

 shaded hills. 



Viola scabriuscula Schwein. Smooth yellow i volet. Common in 

 rich damp woods and thickets. 



Viola canadensis L. Canada violet. Dr} r ish rich open woods. Fre- 

 quent throughout. 



Viola striata Ait. Pale violet. Striped violet. Rich shaded ground. 

 Frequent. 



Viola conspersa Reichenb. American dog violet. Common in rich 

 woods, damp shaded places, and often abundant in wet open ground. 



Viola rostrata Pursh. Long-spurred violet. On shaded hillsides about 

 Murphy's Lake. Probably frequent throughout. 



Viola tricolor L. Pansy. Cultivated and inclined to escape. 



THYMELAEACEAE. Mezereum Family 



Dirca palustris L. Leatherwood. Moosewood. " Rich woods in Aimer 

 Township. " C. A. Davis. 



LYTHRACEAE. Loosestrife Family 



Decodon verticillatus (L.) Ell. Water willow. Often abundant in 

 swampy places in the vicinity of the small lakes. The beautiful little 

 Cedar Lake is completely encircled with it. 



Lythrum alatum Pursh. Wing-angled loosestrife. Frequent on 

 prairie-like ground throughout. 



ONAGRACEAE. Evening Primrose Family 



Ludvigia polycarpa Short & Peter. Many-fruited ludvigia. "Ditches 

 and wet marshy places in prairies of Akron Township.' C. A. Davis. 



Ludvigia palustris (L.) Ell. Water purslanes. Abundant, when found 

 at all, in ditches and muddy places. 



Epilobium angusti folium L. Great willow herb. Common in low 



