
102. 
103. 
104, 
105. 
106. 
#107. 
m . 108. 
~~ 
*110. 
Lit; 
112. 
*113. 
' *114, 
115. 
116. 
a7; 
118, 
#19. 
————— | Ss oO os 
99. 
*100. 
101. 
109. 
CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 
Psoralea argophylla, Pursh. 
1873. August. 
1874. July. 
Psoralea brachiata, Doug. 
Psoralea hypogea, Nutt. 
1874. July. Milk River. 
Psoralea lanceolata, Pursh. 
1874. July. Frenchman’s 
Petalostemon candidus, Mx. 
1873. July. Pembina. 
1874. June. Missouri Riv 
Petalostemon violaceus, Mx. 
1873. July. Pembina. 
1874. August. 
Amorpha canescens, Nutt. 
1873. August. 
Amorpha nana, Nutt. 
1873. August. 
Astragalus aboriginorum, Rich. 
Astragalus adsurgens, Pall. 
1874. June. 
Astragalus bisulcatus, Gray. 
1874. June. 
Astragalus Bourganti, Gray. 
Astragalus ceespitosus, Gray. 
Astragalus Canadensis, L. 
1873. September. 
Astragalus caryocarpus, Ker. 
Astragalus flecuosus, Doug. 
Astragalus hypoglottis, L. 
18735. July. 
Creek. 
er. 
Open plains. 
Along Mouse River. 
Plains near Pembina. 
Astragalus Missouriensis, Nutt. 
1874. July. Missouri River. 
Astragalus pectinatus, Doug. 
1874. July. Milk River. 
Astragalus pictus, Gray. 
1874, June. 
Astragalus Purshti, Doug. 
1874, July. Milk River. 
. Astragalus tegetarius, Watson. 
. Oxytropis Lamberti, Pursh. 
Missouri River. 
. Oxytropis splendens, Doug}. 
Dry prairie near Turtle Mountain. 
1874. June. 
1873. August. 
strongly verticillate. 
1874. August. 
Missouri River. 
In fruit. 
Milk River. 
Dry prairie along Mouse River. 
Missouri River. 
Plains near Turtle Mountain. 
Prairie around Fort Buford. 
Prairie around Fort Buford. 
In fruit. 
807 
Both this and the last species are 
very abundant on the dry prairie. 
Frenchman’s Creek. 
Leaflets 
