18 
FLORA OF MOUNT RAINIER NATIONAL PARK. 
out until the stalk is nearly uniform with flowers on all sides. This, 
like the twin-flower, is very fragrant. In places where the trees are 
small this plant grows abundantly, generally in volcanic ash soil. 
With it may be found the pyrolas, pipsissewas, and mertens’ 
coral root, Corallorhiza mertensiana. The latter may be recognized 
Fig. 13.—Common lousewort (Pedicularis racemoso ). 
Color of flower, pinkish white; height of plant, 5 to 8 inches; blooms July and August. 
Photograph by A. H. Barnes. 
by its leafless stalk, coral-like roots, and strange pink flowers in 
racemes. This saprophyte grows in clusters like the other coral roots 
and is a characteristic plant of this region. Several of the leafless 
plants mentioned in the first zone extend well up through the second. 
