CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 809 



145. Potentillafruticosa, L. 



1874. August. MilkEiver. Abundant. 

 *146. Fotentilla effusa, Doug. 

 *147. Potentllla glandulosa, L. 



148. Fotentilla gracilis, Doug. 



1873. August. Second prairie plateau. 



1874. August. Frenchman's Creek. 

 *149. Fotentilla hippiana, Lehm. 



150. Fotentilla Norvegica, L. 



1873. July. Pembina. 



1874. August. Frenchman's Creek. 

 *151. Fotentilla palustris, Scop. 



152. Fotentilla Fennfiylvanica, L. 



1873. August. Second prairie plateau. 

 *153. Fotentilla tridentata, Ait. 

 154. Fragaria Virginiana, Ehrh. 



1873. July. Pembina. 



1874. August. Sweetgrass Hills, abundant. . ; 

 *155. Fragaria vesca, L. ] 



156. Fuhus strigosvs, Mx. ■ - ^ 



1874. July. Frenchman's Creek. Thickets. 



157. Buhus triflorus, Eich. 



1873. July. Pembina. 

 *158. Buhus Wutlcanus, Moc. 



159. Bosa hlanda, Ait. 



1873. July. Pembina. Everywhere on the prairie, especially 

 on the edges of woods along the streams. 



160. Crataegus tomentosa, L., var. punctata. 



1873. July. Pembina. In flower. — September. Along Mouse 

 Eiver. In fruit. 



*161. Gratcegus coccinea, L. 



162. Fyrus sambucifolia, Ch. & Sch. 



1874. August. Base of Eocky Mountains. 



163. Amelancliier Canadensis, L., var. alnifolia. 



1873. July. Pembina. In fruit. 



1874. July. Milk Eiver. 



SAXIFEAGACE^. 



164. Biles aureum,V\w^h. 



1874. July. Missouri Eiver. In fruit. 

 *165. Bihes Gynoshati, L. 



166. Bibes Jloridum, L'Her. 



1873. July. Pembina. In thickets. 



167. Bibes Mrtellum, Mx. 



1874. July. Along Frenchman's Creek. 

 *168. Bibes rotundifolium, Mx. 



