Seed Plants, Ferns, Fern Allies of the Austin Region 43 



SIMARUBACEAE Quassia Family 



Ailanthus glandulosus Desf. Tree-of-Heaven. 



Found occasionally growing wild in moist valleys. A common shade 

 tree. 



Native of China. Commonly cultivated and often growing wild 

 in eastern United States and Canada. 



MELIACEAE Mahogany Family 



Melia Azedarach L. Chinaberry. China Tree. 



Growing wild in the valleys. A common shade tree. 

 Naturalized from Asia in the southern states. 



POLYGALALES 



POLYGALACEAE Milkwort Family 



Polygala alba Nutt. Milkwort. 

 Dry ground. 

 Central states and Mexico. 



. Polygala Lindheimeri A. Gray. Milkwort. 

 Dry hillsides of the Edwards Plateau. 

 Texas. 



EUPHORBIALES 



EUPHORBIACEAE Spurge Family 



Acalypha gracilens var. monococcus Eng. 

 Eastern states. 



Acalypha Lindheimeri Muell. Arg. Three-seeded Mercury. 

 Very common in waste places. 

 Texas to Arizona and in Mexico. 



Acalypha ostryaefolia Rydb. Three-seeded Mercury. 



In moist ground in valleys. An herb which resembles a nettle in 

 appearance but is unarmed. 



Southeastern United States and in Mexico. 



Acalypha radians Ton*. 

 In dry soil. 

 Texas and Mexico. 



