32 
PLANTS OF YELLOWSTONE NATIONAL PARK 
Figure 14. —Dwarf juniper. Photograph by Dr. Harvey E. Stork. 
Figure 15.—Narrowleaf cattail. Brown. 
Photograph by A. R. Sweetser. 
Figure 16.—Bur-reed. Green. Photo¬ 
graph by A. R. Sweetser. 
