806 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



81. Geranium Eichardsonii, F. «& M. 



1874. August. Along Milk River. 

 81^. Geranium Bichardsonii, F. & M., var. incisum. 

 1874. July. Freuchman's Creek. 



OXALIDAOE^. 



82. Oxalis striata, L. 



1873. July. Pembioa. 



BALSAMI]S"AOE^. 



*S3. Impatiens fulva, E^utt. 



ANAOAEDIACEiE. 



*84. Rhus aromatica, Gray. 

 85, Elms Toxicodendron, L. 



1873. July. Pembina. In flower. 



1874. July. Missouri River. 

 *86. EJius glabra, L. 



yiTACEJ]]. . 



87. Vitis Gordifolia, Mx., var. riparia. 



1873. July. Pembina. Thickets. 

 *88. Ampelopsis quinquefolia, ilfx. 



CELASTRACE^. 



89. Pachystima myrsinites, Raf. 



1874. August. Base of Rocky Mountains. 



RHAMNACE^. 



*90. Ceanothus velutinus, Doug. 

 *91. Ehamnus alnifolius, L'Her. 



SAPINDACE^. 



*92. Acer rubrum, L. 



93. Negundo aceroides, Moench. 



1874. July. KearFortBuford. Sugar is of ten made from its sap. 



POLYGALACE^. 



94. Tolygala alba, Nutt. 



1874. July. Prairie around Fort Buford. 

 *95. Polygala polygama, Walt. 

 *96. Polygala Senega, L. 



LEGUMINOS^. 



97. Lupinus argenteus, Pursh. 



1874. August. Base of Rocky Mountains. 



98. HosacTcia Purshiana, Benth. 



1874. June. Missouri River. 



