TABLE OF CONTENTS 
Page 
Introduction____—-- 1 
Development of the park vegetation-- 3 
Present types of vegetation in the park.__ 4 
Plant structures „_ 6 
How to use the key___ 7 
Key to the common seed plants, ferns, and fern allies_ 12 
Families of plants_ 17 
Glossary_ 140 
Index to common names_ 142 
Index to scientific names_..._____ 149 
ILLUSTRATIONS 
Plates 
Plate I. Rocky Mountain fringed gentian_Frontispiece 
II. (A) Simple leaf showing parts_ 9 
(B) Palmately compound leaf_ 9 
(G) Pinnately compound leaf_ 9 
III. Simple leaves_ 10 
IV. Parts of a typical flower.__ 10 
V. Types of inflorescence__ 11 
VI. Composite flower head_ 11 
Text Figures 
Figure 
1. Bracken. 
2. Brittle fern. 
3. Rocky Mountain woodsia. 
4. Field horsetail. 
5. Limber pine. 
5a. Limber pine. 
6. Whitebark pine. 
7. Lodgepole pine. 
7a. Lodgepole pine. 
8. Engelmann spruce. 
8a. Engelmann spruce. 
8b. Engelmann spruce near timber- 
line. 
9. Alpine fir. 
10. Douglas-fir. 
11. Rocky Mountain red cedar. 
12. Rocky Mountain red cedar. 
13. Dwarf juniper. 
14. Dwarf juniper. 
15. Narrowleaf cattail. 
Figure 
16. Bur-reed. 
17. Arrowhead. 
18. Giant wild-rye. 
19. Camas. 
20. Yellow fritillary or Yellowbell. 
21. Glacierlily. 
22. Mountain deathcamas. 
23. Twistedstalk. 
24. Solornonplume. 
25. Solornonplume. 
26. Rocky Mountain iris. 
27. Calypso. 
28. White bog-orchid. 
29. Ophyrs. 
30. Coralroot. 
31. Coralroot. 
32. Quaking aspen. 
33. Sulphur eriogonum. 
33a. Sulphur eriogonum. 
34. Willow dock. 
hi 
