Handbook of Rocky Mountain Plants. 1896-1987. 4th rev. ed. by Roger L. Williams 1992. 1 map. 8 pls. (line drawings). 355 figs. (line drawings). XVIII, 444 p. gr8vo. Paper bd.

Contents: Illustrations/ Map of the Area Covered in this Book/ Preface/ Introduction/ Foothills or Shrub Zone/ Montane or Ponderosa Pine -Douglas-fir Zone/ Subalpine or Engelmann Spruce - Subalpine Fir Zone/ Alpine Zone or Tundra/ Rocky Mountain Plants/ Plant Names and Classification/ The First Thing to Lern About Plants/ The Plant/ Stems/ Roots/ Leaves/ Flowers and Inflorescences/ Fruits/ How to Use the Keys/ Keys and Descriptions/ Key 1. The Major Plant Groups/ Ferns, Horsetails and Clubmosses/ Key 2. Division Pteridophyta: Ferns and Fern Allies/ Pines, Junipers and Ephedras/ Key 3. Division Spermatophyta: Gymnosperms/ Dicotyledonous Plants (Dicots)/ Key 4. Division Spermatophyta: Angiosperms, Apetalous Dicots/ Key 5. Division Spermatophyta: Angiosperms, Free-Petal Dicots/ Key 6. Division Spermatophyta: Angiosperms, United-Petal Dicots/ Monocotyledonous Plants (Monocots)/ Key 7. Division Spermatophyta: Angiosperms, Monocotyledons/ Glossary/ Useful References/ Index.