Chamaesyce albomarginata

A common prostrate weed.

Plant habit along Soledad Canyon Rd. east of Las Cruces, Doña Ana County, New Mexico, 12 Sep 2005.

Cyathia along Soledad Canyon Rd., 12 Sep 2005.

Another view of a cyathium along Soledad Canyon Rd., 12 Sep 2005.

Creeping stem with cyathia along Soledad Canyon Rd., 12 Sep 2005.