28 University of Texas Bulletin 



Portulaca pilosa L. 



Abundant on dry hills. Our most common Portulaca, recognized 

 easily by the tufts of hairs in the axils of the leaves. 



Southern states and Mexico. 



Talinum aurantiacum Engelm. 

 Pease place. 

 Texas, New Mexico, and in Mexico. 



Talinum parviflorum Nutt. 

 Dry soil. Postoak woods. 

 Central states. 



ALSINACEAE Chickweed Family (Under Caryophyllaceae) 



Alsine Baldwinii Small. (Stellaria prastrata Baldw.) Chickweed. 

 Starwort. 

 Abundant in moist ground in ravines of the Edwards Plateau. 

 Gulf states and in Mexico. 



Alsine media L. (Stellaria media Smith.) Chickweed. 

 Moist ground. Abundant in Shoal Creek Valley. 

 Widespread in North America and Europe. 



Arenaria Benthamii Fenzl. Sandwort. 

 Abundant on hillsides. Mt. Bonnell, etc. 

 Texas. 



Cerastium brachypodium Robinson. Mouse-ear Chickweed. 

 Pastures, meadows, and open woods. 

 Central states. 



Cerastium longipedunculatum Muhl. Powder Horn. 

 Moist ground, pastures and woods. 

 Widespread in North America. 



Cerastium viscosum L. Mouse-ear Chickweed. 

 Roadsides and hillsides. 

 Eastern United States; naturalized from Europe. 



Sagina decumbens T. & G. Pearl wort. 



Abundant in the compact soil of Postoak woods. 

 Eastern United States. 



