MORACE.^ MULBERRY FAMILY 



WILD HOP 



Iliimiilus lupuliis 



Hnmnhis, said to be a diminutive from humus, 

 earth. 



A rough herbaceous perennial vine, found in 

 thickets and on river banks, preferring alluvial 

 soil. Nova Scotia to Manitoba, in the Alle- 

 ghanies to Georgia, and the Rockies to New 

 Mexico. Indigenous, cultivated, and exten- 

 sively escaped from cultivation. Of interconti- 

 nental distribution. 



Stem. — Ten to thirty feet long, very rough with stiff 

 reflexed hairs. 



Leaves. — Opposite, petioled, orbicular or ovate in 

 outline, deeply three to seven-cleft, or some of the upper 

 ones ovate, acute, and merely serrate. 



Flowers. — Dioecious, axillary; the staminate flowers 

 in panicles; the pistillate in drooping clustered spikes 

 that look like aments. Staminate flowers with a five- 

 parted calyx and five short stamens. Pistillate flowei-s 

 in twos at the base of each bract of the ament, and con- 

 sist of a perianth clasping the ovary and two threadlike 

 stigmas. 



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