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* 328. 
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330. 
330, 
*331, 
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*336. 
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340. 
3404. 
d41, 
*342. 
343. 
BULLETIN UNITED STATES GEOLOGICAL SURVEY. 
Artemisia Canadensis, Mx. 
1873. August. Mouse River. On dry prairie. 
1874, July. Frenchman’s Creek. 
Artemisia Douglasiana, Bers. 
Artemisia frigida, Willd. 
1874. July. Branch of Milk River. 
Artemisia discolor, Doug. 
Artemisia dracunculoides, Pursh. 
Artemisia Ludoviciana, Nutt. 
1873. September. Mouse River. Dry prairie. 
species known as “sage”. 
1874, August. Milk River. 
Gnaphalium polycephalum, Mx. - 
Antennaria alpina, Gaertn. 
Antennaria dioica, var. rosea, Gaertn. 
Antennaria plantaginifolia, Hook. 
Arnica angustifolia, Vahl. 
Arnica longifolia, Eaton. 
Arnica Menziesti, Hook. 
Amida hirsuta, Nutt. 
Senecio aureus, L. 
1874. August. Rocky Mountains. 
Senecio aureus, L., var. Balsamite. 
1873. July. Pembina. 
Senecio canus, Hook. 
Senecio Fremontii, T. & G. 
Senecio eremophilus, Hook. 
1873. August. Prairie. 
Senecio lugens, Rich. 
Senecio resedifolius, Lessing. 
Senecio triangularis, Hook. 
Cirsium altissimum, Spring. 
Cirsium undulatum, Spring. 
1873. September. Missouri Coteau. 
1874. June. Plains near Fort Buford. 
Cirsium muticum, Mx. 
Troximon glaucum, Nutt. 
1874. July. Along Missouri River. 
Troximon glaucum, Nutt., var. 
In company with the typical form. 
Troximon cuspidatum, Pursh. 
1873. July. Pembina and westward, on prairies. 
Stephanomeria minor, Nutt. 
Hieracitum Canadense, Mx. 
1873. July. Pembina, in thickets. 
1874. August. Along branch of Milk River. 
One of the 
