806 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 
81. Geranium Richardsonu, F. & M. 
1874, August. Along Milk River. 
81°. Geranium Richardsonit, F. & M., var. incisum. 
1874. July. Frenchman’s ieee 
OXALIDACEZS. 
82. Oxalis stricta, L. 
1873. July. Pembina. 
BALSAMINACEA. 
*33. Impatiens fulva, Nutt. 
ANACARDIACEA. 
*84, Rhus aromatica, Gray. 
85. Rhus Toxicodendron, L. 
1873. July. Pembina. In flower. 
1874. July. Missouri River. 
*86. Rhus glabra, L. Tay 
VITACEA. tA 
87. Vitis cordifolia, Mx., var. riparia. 
1873. July. Pembina. Thickets. 
*§8. Ampelopsis quinquefolia, Mx. 
CELASTRACEA. 
89. Pachystima myrsinites, Raf. 
1874. August. Base of Rocky Mountains. 
RHAMNACEA. 
*90. Ceanothus velutinus, Doug. 
*91. Rhamnus alnifolius, L’ Her. 
SAPINDACEA. 
*99. Acer rubrum, L. 
93. Negundo aceroides, Moench. 
1874. July.. Near Fort Buford. Sugar is often made from its sap. 
POLYGALACE. 
94. Polygala alba, Nutt. 
1874. July. Prairie around Fort Buford. 
*95. Polygala polygama, Walt. 
*96. Polygala Senega, L. 
LEGUMINOS ZS. 
97. Lupinus argenteus, Pursh. 
1874, August. Base of Rocky Mountains. 
98. Hosackia Purshiana, Benth. 
1874. June. Missouri River. 
