480 —S*SW PHARMACEUTICAL BOTANY 
array of plants which include nearly all the familiar trees and 
shrubs except the conifers and the majority of weeds, garden 
plants, and ornamental herbs which have netted veined leaves. 
The monocotyledons appear from studies in comparative 
morphology and serum-diagnosis tests to have originated from 
the Archichlamydez of the Dicotyledons. 
