20 HEATH ORDER—GENTIAN ORDER 
WINTERGREEN FAMILY 
WINTERGREEN  PIROLA ULIGINOSA 
Plate 16, fig. 7 
The delicate drooping pink blossoms of the Wintergreen grow in 
open spikes on slender stems 5-7 in. tall and bloom in early and mid- 
summer. The leaves are evergreen and the plants are usually grouped 
in such a way as to form evergreen carpets on brook-banks, and in 
fir and spruce woods at 7000-11000 it. | 
HEATH FAMILY 
BEARBERRY, KINNIKINNIC ARCTOSTAPHYLUS UVA-URSI 
Plate 16, fig. 10 
The Bearberry is a trailing plant with evergreen leaves and forms 
dense mats in pine forests and on gravel-slides and denuded hills at 
3000-10000 ft. The drooping clusters of tiny waxen blossoms with 
pink edges are hidden beneath the leaves in early summer. They 
later develop into crimson berries which contrast with the evergreen 
foliage and hence serve as decorations, resembling the well-known 
holly of the Christmas season. 
GENTIAN FAMILY 
RosE GENTIAN GENTIANA AMARELLA 
Plate 18, fig. 1 
The Rose Gentian is interesting on account of its great variability 
in size and form. In dry spots and on alpine peaks, the plants are often 
only %-1 in. tall with the flower even longer than the stem. In 
