112 
PLANTS OP YELLOWSTONE NATIONAL PARK 
Figure 88a.—Lewis monkeyflower. Rose- 
red. Photograph by Joseph S. Dixon, 
National Park Service. 
In addition to the above, Pedicu- 
laris surrecta has also been reported 
in the park. 
Butter-and-eggs or Toadflax ( Lin- 
aria vulgaris ).—A plant with linear 
leaves and yellow flowers with the 
corolla spurred at the base on the 
lower side. 
Paintbrush (Castilleja ).-—The 
State flower of Wyoming. The 
paintbrushes are herbs with alter¬ 
nate leaves and red, yellow, purple, 
or white flowers in dense, terminal spikes. The flowers are sub¬ 
tended by leafy bracts which are usually much larger and more 
conspicuous than the flowers themselves as well as more brilliantly 
Figure 89. —Elephanthead. Red Figure 90. —Paintbrush. Red. Copy- 
or purple. Photograph by Dr. right, J. E. Haynes. 
Harvey E. Stork. 
colored. The paintbrushes are easily recognized, but the various 
species are sometimes quite difficult to distinguish. The following 
18 species have been identified in the park: 
