COULTER, JOHN M. Botany of Western Texas, United States Department of Agriculture, Washington, 1891-94. OP. Nothing has appeared during the past sixty years to take the place of this master opus.
GEISER, SAMUEL WOOD. Horticulture and Horticulturists in Early Texas, Southern Methodist University Press, Dallas, 1945. Historical-scientific, more technical than the author's Naturalists of the Frontier.
JAEGER, EDMUND C. Desert Wild Flowers, Stanford University Press, California, 1940, revised 1947. Scientific but designed for use by any intelligent inquirer.
LUNDELL, CYRUS L., and collaborators. Flora of Texas, Southern Methodist University Press, Dallas, 1942-. A "monumental" work, highly technical, being published part by part.
MCKELVEY, SUSAN DELANO. Yuccas of the Southwestern United States, Harvard University Press, Cambridge, 1938. Definitive work in two volumes.
Range Plant Handbook, prepared by the Forest Service of the United States Department of Agriculture. United States Government Printing Office, Washington, 1937. A veritable encyclopedia, illustrated.
SCHULZ, ELLEN D. Texas Wild Flowers, Chicago, 1928. Good as a botanical guide and also for human uses; includes lore on many plants. OP. Cactus Culture, Orange Judd, New York, 1932. Now in revised edition.
SILVIUS, W. A. Texas Grasses, published by the author, San Antonio, 1933. A monument, of 782 illustrated pages, to a lifetime's disinterested following of knowledge "like a star."
STEVENS, WILLIAM CHASE. Kansas Wild Flowers, University of Kansas Press, Lawrence, 1948. This is more than a state book, and the integration of knowledge, wisdom, and appreciation of flower life with botanical science makes it appeal to layman as well as to botanist. 463 pages, 774 illustrations. Applicable to the whole plains area.
STOCKWELL, WILLIAM PALMER, and BREAZEALE, LUCRETIA. Arizona Cacti, Biological Science Bulletin No. 1, University of Arizona, Tucson, 1933. Beautifully illustrated.