A new combination, Euphorbia trialata (Huft) V.W. Steinm., is made to accommodate Chamaesyce trialata Huft within Euphorbia. In addition, Adelia virgata Brandegee, a later homonym of Adelia virgata Poir. (= Flueggea tinctoria (L.) G.L. Webster), is given the new name Adelia brandegeei V.W. Steinm