PHARMACEUTICAL BOTANY 



male flowers have a united perianth, which is 4-6 parted and en^ 

 closes an indefinite number of undivided stamens. The female 



FIG. 179. Hop (Humulus lupulus). A, portion of plant showing pistillate 

 inflorescences; B, staminate inflorescence; C, rachis of pistillate inflorescence 

 ("hop"). (Robbins.) 



flowers have a superior 6-parted perianth; the pistil consisting of 3 

 carpels with a corresponding number of stigmas. The ovary is 



