3i8 
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 l^pulus). 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 
