Orange Mariposa Tulip—Calochortus Kennedyi.
FIELD BOOK OF
WESTERN
WILD FLOWERS
By MARGARET ARMSTRONG
IN COLLABORATION WITH
J. J. THORNBER, A.M.
PROFESSOR OF BOTANY IN THE UNIVERSITY OF ARIZONA, AND BOTANIST OF THE ARIZONA AGRICULTURAL EXPERIMENT STATION AT TUCSON
WITH FIVE HUNDRED ILLUSTRATIONS IN BLACK AND WHITE, AND FORTY-EIGHT PLATES IN COLOR DRAWN FROM NATURE BY THE AUTHOR