The name Ambrosia was also applied by Dioscorides and Pliny to certain herbs, and has been retained in modern botany for a genus of plants from which it has been extended to the group of dicotyledons called Ambrosiaceae, including Ambrosia, Xanthium and Iva, all annual herbaceous plants represented in America.
He separated flowering from flowerless plants, and divided the former into Dicotyledons and Monocotyledons.
Such bases occur almost exclusively in the dicotyledons, generally in combination with malic, citric, tartaric or similar plant-acids.
GERANIACEAE, in botany, a small but very widely distributed natural order of Dicotyledons belonging to the subclass Polypetalae, containing about 360 species in 11 genera.
The genus Myrica is the type of a small, but widely distributed order, Myricaceae, which is placed among the apetalous families of Dicotyledons, and is perhaps most nearly allied to the willow family.