56 TWELFTH ANNUAL REPORT. 



TIARELLA, L. False Mitee-wort. 



T, cordifolia, L. False Miter- wort. 



Lapham. L?ike City, Miss Beane; Blue Earth county, Gecfi/t. Infrequent. 



CHRYSOSPI.E:N"iUM, Tourn. Golden Saxifrage. 



C Aniericanuni, Schwein. Golden Saxifiagre. 



Lake Superior to the Mississippi, Houghton, Stearns county, Mrs. BlaiscleU. In- 

 frequent. North. 



CRASSULACE^. Orpine Family. 



PENTHOKUM, Gronov. Ditch Stone-crop. 



P. .sedoide)*, L. Ditch Stone-crop. 



Common, or frequent, through the south part of tlie state ; extending nortli to the 

 upper Mississippi river, Garrison. 



SEDUM, Tourn. Stone-crop. Orpine. 



S. Telephium, L. Garden Orpine. Live-for-ever . 



Occasionally escaped from cultivation, Minneapolis, Upliam. 



HAMAMELACEiE. Witch-Hazel Family. 



HAMAMELIS, L. Witch-Hazel. 



H. Virg-iniana, L. Witch-Hazel. 



Lapham, Southeastern Winona county, between Richmond and Dakota, 

 Winchell. Rare. Southeast. 



HALORAGE^. Water-Milfoil Family. 



MYKIOPHYLLUM. Vaill. Water-Milfoil. 



M. spicatiiin, L. Water-Milf( il. 



Frequent, or common, throughout the state. 



M. verticillatiin), L. Water-Milf> il. 



Lapham. Blue Earth county, ieibcrj;. [In Manitoba, xlfnconji.] Infrequent. 



M. heterophylliim, Michx. Wa'er-Milfoil. 

 Lapham. Common southwestward, Upham. 



[Proserpinaca palustris, L., has not yet been observed, but it probably occurs in 

 this state.] 



HIPPURIS, L. Mare's-Tail. 



H. vulg-aris, L. Mare's-Tail. 



Frequent, often common, through the north half of tlie state ; extending south at 

 least to Little Falls (plentiful), Upham, Stearns county (abundant), Mrs. BlaisdeU, and 

 the Minnesota river near Traverse des Sioux, Parry. 



