58 University of Texas Bulletin 



ERICALES 

 ERICACEAE Heath Family 



Arbutus Xalapensis HBK. Madrona. 



A small tree found in places in the ravines of the Edwards Plateau. 

 The bark peels off in thin reddish sheets leaving a smooth flesh- 

 colored surface. 



Abundant in the mountains of West Texas. 



PRIMULALES 

 PRIMULACEAE Primrose Family 



Anagallis arvensis L. 



Roadside. Rare here. Ours is the blue form, A. arvensis caerirfea 

 Ledeb. 



Naturalized from Europe and widespread in North America. 



Dodecatheon Meadia L. Shooting Star. American Cowslip. 

 Abundant in the flood plain and banks of Bull Creek. 

 Eastern and central states. 



Samolus cuneatus Small. Water Pimpernel. Brookweed. 

 Wet rocks or mud, along the river, Barton Creek, etc. 

 Texas. 



Samolus floribundus H.B.K. (S. valerandi var. Americanciis Gray.) 

 Water Pimpernel. Brookweed. 

 Barton Springs, etc. 

 Widespread in North America. 



EBENALES 



EBENACEAE Ebony Family 



Brayondendron texanus Small. (Diospyros texana Scheele.) Mexi- 

 can Persimmon. 



Very common in valleys and rocky slopes. A bushy shrub or small 

 tree with many slender twigs and with small thick leaves, wooly below. 

 The fruit is black. 



Texas and Mexico. 



SAPOTACEAE Sapodilla Family 



Bumelia lanuginosa Pers. Gum Elastic. Shittimwood. 



A shrub or small tree. Very abundant on dry hillsides on road- 

 sides, woods and waste ground. University campus. 



Southern prairie and Gulf states. 



