Thalictrum cliocium, L. Early Meadow Rue. 



Occurs occasionally from the James valley eastward; 

 Brown and Brookings counties. 



Thalictrum veimlosum, Trelease. Veiny Meadow Rue. 

 In the Black Hills. 



Thalictrum occicleiitale, Gray. Western Meadow Rue. 

 Dr. Rydberg is not quite certain of his identification 

 of this^pecies, as he was unable to obtain fruit. 



Thalictrum purpursisceiis, L,. Purplish Meadow Rue. 

 In thickets and woods throughout the state. 



BERBERIDACE^. Barberry Family. 



Berberis aqiiifolium, Pursh. Trailing Mahonia. 

 Berber is repens, Lindl. 



A trailing shrub, common in canons in the Black 

 Hills. 



Caulophyllum thalictroides, (I/.) Michx. Blue Cohosh. 

 In rich woods in the Minnesota region. 



MENISPERMACE.E. Moonseed Family. 



Meiiisperiiium Caiiadense, L. Canada Moonseed. 



In woods and thickets along streams from thePMis- 

 souri eastward. 



PAPAVERACE^;. Poppy Family. 



Argemoue alba, Lestib. White Prickly Poppy. 



In draws and on open plains in the foot-hills to the 

 Black Hills, and ranging eastward nearly to the Missouri 

 river. 



Saiiguiiiaria cauacleiisis, L. Bloodroot. 



In damp, rich woods in the Minnesota region. 



Bicuculla cucullaria, (L.) Millsp. Dutchman's Breeches. 

 Dicentra cucullaria, DC. 



In rich woods in the Minnesota and Sioux valleys. 



