26 University of Texas Bulletin 



Aniaranthas Pringlei Watson. (Not given in Small.) Amaranthus. 

 Pigweed. 

 Fields and roadsides. 

 West Texas, southern plains states to Mexico. 



Amaranthus retroflexus L. Amaranth. Rough Pigweed. 



Roadsides and waste places. 



Naturalized from the American tropics. Widespread in North 

 America. 



Amaranthus spinosus L. Spiny Amaranth. 



Roadsides and waste places. 



Naturalized from the American tropics. Widespread in eastern 

 and southern United States. 



Brayulinea densa Small. (Guilleminea densa Moq.) 

 Dry ground. 

 New Mexico, Texas and Mexico to tropical America. 



Celosia paniculata L. 



Bluffs. Barton Creek. Not abundant. 

 Florida, Texas and Mexico. 



Froelichia campestris Small. 



Abundant in dry ground, post oak woods, etc. 

 Prairie and pains states. 



Gossipianthus lanuginosus Moq. 

 Dry ground. 

 Oklahoma to Mexico. 



CORRIGIOLACEAE Whitlow-wort Family (Illicebraceae) 



Paronychia dichotoma Nutt. Forking whitlow-wort. Nailwort. 

 Dry exposed bluffs. Mt. Bonnell. 

 Southeastern states. 



P. Lindheimeri Englem. 

 In dry soil. 

 Texas and New Mexico. 



PETIVERACEAE (PHYTOLACCACEAE) Poke-weed Family 



Rivina humilis L. 



Common in rich soil. University campus, Shoal Creek, etc. 

 Southeastern states and tropics. 



