CONTENTS: v. 1. Arkansas River Basin, Red River Basin, Sabine River Basin, Neches River Basin, Trinity River Basin, and intervening coastal basins -- v. 2. San Jacinto River Basin, Brazos River Basin, San Bernard River Basin and intervening coastal basins -- v. 3. Colorado River Basin, Lavaca River Basin, Guadalupe River Basin, Nueces River Basin, Rio Grande Basin, and intervening coastal basins.

Aloes are a large genus of plants, about 450 species, from sub-Saharan Africa, Madagascar, and parts of Arabia. Many species are widespread in warm or tropical semi-arid regions, yet the distribution of others is limited to a few living in desert or wet mountainous regions. While some species have been adopted as medicinal plants since ancient time