CHICKERING ON PLANTS OP DAKOTA AND MONTANA. 807 



99. PsoraJea argopJiijlla, Pursh. 



1873. August. Dry prairie along Mouse Eiver. 



1874. July. Missouri Eiver. 

 *1C0. Fsoralea brachiata, Doug. 



101. Fsoralea hypogwa, Nutt. 



1874. July. Milk Eiver. 



102. Fsoralea lanceolata^ Pursh. 



1874. July. Erencb man's Creek. 



103. Fetalostemon candidus, Mx. 



1873. July. Pembina. 



1874. June. Missouri Eiver. 



104. Fetalostemon violaceus, Mx. 



1873. July. Pembina. Both this and the last species are 

 very abundant on the dry prairie. 



1874. August. Frenchman's Creek. 



105. AmorpJia canescens, Nutt. 



1873. August. Open plains. 



106. Amorpha nana, S^utt. 



1873. August. Plains near Turtle Mountain. 

 *107. Astragalus ahoriginorum, Eich. 



108. Astragalus adsurgens, Pall. 



"^ 1874. June. Prairie around Fort Buford. 



109. Astragalus bisulcatus, Gray. 



1874. June. Prairie around Fort Buford. 

 *110. Astragalus Bourganii, Gray. 



*111. Astragalus ccespitosus, Gray. 

 112. Astragalus Canadensis, L. 



1873. September. Along Mouse Eiver. In fruit, 

 *113. Astragalus caryocarpus, Ker. 

 *114. Astragalus flexuosus, Doug. 



1 15. Astragalus liypoglottis, L. 



1873. July. Plains near Pembina. 



116. Astragalus Missouriensis, Nutt. 



1874. July. Missouri Eiver. 

 ■ 117. Astragalus pectinatus, Doug. 



1874. July. Milk Eiver. 



118. Astragalus pictus, Gray. 



1874. June. Missouri Eiver. 



119. Astragalus Furshii, Doug. 



1874. July. Milk Eiver. In fruit. 

 *120. Astragalus tegetarius, Watson. 



121. Oxytropis Lanib.erti, Pursh. 



1874. June. Missouri Eiver. 



122. Oxytropis sple^idens, Dougl. 



1873. August. Dry prairie near Turtle Mountain- Leaflets 

 strongly verticillate. 



1874. August. Milk Eiver. 



