FAMILIES OF PLANTS 
129 
Balsamroot (.Bahamorrbim sagittata ).—A low plant with thick, 
deep roots that are said to have been used by the Indians as food. 
The leaves are mostly basal and the flowering stems, almost leafless, 
bear large, solitary heads of yellow flowers, both ray and disk. Both 
Figure 105.—Balsamroot'. Yellow. Copyright, J. E. Haynes. 
Figure 106.—White mule-ears. White. Copyright, J. E. Haynes. 
stems and leaves are more or less white-hairy, and the involucre is 
somewhat woolly. The blades of the basal leaves are spear-shaped, 
4 to 12 inches long and 4 to 6 inches broad at the base, and the petiole 
