
CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 813 
VALERIANACEZE. 
. Valeriana sylvatica, Rich. 
COMPOSITE. 
. Liatris punctata, Hook. 
1874. July. Prairie, near Frenchman’s Creek. 
. Liatris scariosa, L. 
1873. August. Second prairie. 
. Brickellia grandiflora, Nutt. 
1874. August. Thickets. Milk River. 
. Hupatorium perfoliatum, L. 
. Hupatorium purpureum, L. 
1873. August. Thickets, on plains. 
. Nardosmia sagittata, Pursh. 
. Aster carneus, Nees. 
. Aster levis, L. 
1873. September. Mouse River, in thickets. 
1874. August. Milk River. 
. Aster graminifolius. Pursh. 
. Aster Lamarckianus, Nees. 
1873. September. Mouse River. 
. Aster miser, L. 
. Aster macrophylius, L. 
. Aster multifiorus, L. 
1873. August. Mouse River Plain. Abundant. Specimens 
very rugose; leaves almost cuspidate. 
Aster ptarmicoides, T. & G. 
1875. August. Second prairie. 
. Aster salsuginosus, Rich. 
. Aster tenuifolius, L. 
1873. August. Near Turtle Mountain. 
5. Hrigeron alpinum, L. 
. Lrigeron compositum, Pursh. 
. Hrigeron glabellum, Nutt. 
1873. August. Mouse River Plain. Very abundant all over 
the prairie. 
. Brigeron Canadense, L. 
. Hrigeron Philadelphicum, L. 
1873. July. Pembina. 
. Hrigeron strigosum, L. 
. Lrigeron pumilum, Nutt. 
1874. July. Prairies near Frenchman’s Creek. 
. Macheranthera canescens, Gray. 
. Gutierrezia Euthamia, T. & G. 
1873. August. Mouse River, on ary plain. 
1875. August. Frenchman’s Creek. 
