Rocky Mountain Flowers . An illustrated guide for Plant-lovers and Plant-users: with twenty-five plates in color, and twenty-two plates in black and white. By Frederick Edward Clements, Ph.D., Head of the Department of Botany in the University of Minnesota, and State Botanist; Director of the Pikes Peak Alpine Laboratory, and Edith Schwartz Clements, Ph.D., Instructor in Botany in the University

Abstract

<i>Rocky Mountain Flowers</i> . An illustrated guide for Plant-lovers and Plant-users: with twenty-five plates in color, and twenty-two plates in black and white. By Frederick Edward Clements, Ph.D., Head of the Department of Botany in the University of Minnesota, and State Botanist; Director of the Pikes Peak Alpine Laboratory, and Edith Schwartz Clements, Ph.D., Instructor in Botany in the University