810 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 
*169. Ribes rubrum, L. 
*170. Parnassia Cgroliniana, L. 
171. Parnassia fimbriata, Banks. 
1874. August. Milk River. 
172. Parnassia palustris, L. 
1874. July. Frenchman’s Creek. 
*173. Saxifraga bronchialis, DC. 
*174. Saxifraga Eschscholtzit, Sternb. 
*175. Saxifraga Dahurica, Pall. 
*176. Saxifraga heteranthera, Hook. 
*177. Saxifraga vernalis, Willd. 
*178. Heuchera cylindrica, Doug. 
*179. Heuchera Richardsonti, R. Br. 
*180. Leptarrhena pyrolifolia, Brown. 
*181. Mitella nuda, L. 
*182, Muitella pentandra, Hook. 
*183. Tiarella unifoliata, Hook. 
CRASSULACEZS. 
*184. Sedum Rhodiola, DC. 
*185. Sedum stenopetalum, Pursh. 
HALORAGE. 
186. Myriophyllum spicatum, L. hs 
1874. August. Along branch of Milk River and all the prai- 
rie pools. 
ONAGRACEAS. 
187. Gaura coccinea, Nutt. 
1874, July. Frenchman’s Creek. 
188. Circea alpina, L. 
189. Hpilobium coloratum, Muhl. 
1873. August. Near Turtle Mountain. 
*190. Epilobium palustre, L., var. lineare. 
*190%, Hpilobium palustre, L., var. albiflora. 
191. Hpilobium tetragonum, L. 
1874. July. Frenchman’s Creek. 
*192, Hpilobium origanifolium, Lam. 
193. Hpilobium angustifolium, L. 
1874. August. Branch of Milk River. 
*194, Epilobium latifolium, L. 
195. EHpilobium paniculatum, L. 
1873. August. Plains. 
1874. August. Frenchman’s Creek. 
196. Gnothera albicaulis, Nutt. 
1873. August. Mouse River. 
1874. July. Missouri River. 
