Manual of the vascular plants of Texas.
The introduction consists of brief descriptions of the major plant zones in Texas with some information on their vegetation under the headings the Timber Belt, Gulf Prairies and Marshes Area, Post Oak Savanna, Blackland Prairies, Cross Timbers and Prairies, Rio Grande Plains, Edwards Plateau, Rolling Plains, High Plains and Trans-Pecos, mountains and basins. The predominant grasses are given for each region. After a key to the major groups and families of vascular plants, the major part of the book is devoted to a descriptive flora in which the Pteridophyta, Gymnospermae, Monocotyledoneae and Dicotyledoneae are described. Each plant is described and notes given on its habitat and distribution. Notes are given on plants cultivated as field crops or for forage and on poisonous plants; common names are given where known. The section on grasses is 158 pages long, that on sedges 78 pages and that on legumes 128 pages. There is a 20-page glossary and an 84-page index.