CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 811 



*197. (Enotliera marginata, Nutt. 



198. (Enothera biennis, L. 



1873. August. Dry plains between Pembina and Mouse 

 River. 



1874. July. Missouri Eiver. 



199. (Enothera serrulata, Nutt. 



1873. August. With preceding species. 



200. (Enotliera Jieterantha, Nutt. 

 *201. (Enothera leucocarpa, Comien, 

 *202. (Enothera pumila, L. 



LOASACB^. 



203. Mentzelia ornata, Pursh. 



1874. August. Base of Rocky Mountains. 



CACTACE^. 



204. Mammillaria (Coryphantha) vivipara, Haw. 



1873. Extends eastward of the Missouri Coteau, in the valley 

 of the Mouse River. 



205. Opuntia Missouriensis, DC. 



1873. September. Begins a little east of the Missouri Coteau, 

 and is found all the way to the Rocky Mountains. Not in 

 Red River Valley. 



CUCURBITACE^. 



206. Echinocystis lohata, T. & G. 



UMBELLIFER^. 



207. Sanicula Marilandica, L. 



1873. July. Pembina. 

 *2,08. Carum Gairdneri, Beuth. & Hook, 



209. Reracleum lanatum, Mx. 



1873. August. Dry prairie. 



210. Thaspium aureum, Nutt. 



1873. July. Pembina. 



211. Thaspium trifoliattim, Gray. 



1873. July. Pembina. Immature in open woods. 



212. Bnpleurum ranunculoides, L. 



1874. August. Branch of Milk River. 



213. Cicuta virosa, L. 



1873. July. Pembina. This species exhibits forms running 

 toward C. maculata. 



1874. July. Frenchman's Creek. 



214. Cicuta maculata, L. 

 *215. Sium lineare, Mx. 



Bull. iv. No. 4 5 



