CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 813 



YALERI AKAOE^. 



*238. Valeriana sylvaUca, Eich. 



COMPOSITE. 



239. Liatris punctata, Hook. 



1874. July. Prairie, near Frenchman's Creek. 



240. Liatris scariosa, L. 



1873. August. Second prairie. 



241. Bricliellia grandiflora, E"utt. 



1874. August. Thickets. Milk River. 

 *242. JEJupatorium perfoliatum, L. 



243. JEJupatorium purpureum, L. 



1873. August. Thickets, on plains. 

 *244. Nardosmia sagittata, Pursh. 

 *245. Aster carneus, Nees. 



246. Aster kcvis, L. 



1873. September. Mouse River, in thickets. 



1874. August. Milk River. 

 *247. Aster graminifolius. Pursh. 



248. Aster Lamarcldamis, 'Sees. 



1873. September. Mouse River. 

 *249. Aster miser, L. 

 *250. Aster macrophyllus, L. 



251. Aster multiflorus, L. 



1873. August. Mouse River Plain. Abundant. Specimens 

 very rugose ; leaves almost cuspidate. 



252. Aster ptarmicoides, T. & G. 



1873. August. Second i^rairie. 

 *253. Aster salsuginosus, Rich. 

 *254. Aster tenuifolius, L. 



1873. August. 'Near Turtle Mountain. 

 *255. Erigeron alpinum, L. 

 *256. Mrigeron compositum, Pursh. 

 257. Erigeron glabellum, ]!^utt. 



1873. August. Mouse River Plain. Very abundant all over 

 the prairie. 

 *258. Erigeron Ganadense, L. 

 259. Erigeron FhiladelpMcum, L. 



1873. July. Pembina. 

 *260. Erigeron strigosum, L. 



261. Erigeron pumilum, Nutt. 



1874. July. Prairies near Frenchman's Creek. 

 *262. Macluer anther a canescens. Gray. 



263. Gutierrezia Euthamice, T. & Gr. 



1873. August. Mouse River, on dry plain. 



1875. August. Frenchman's Creek. 



