246 EtfMlTLUS. No. 50. 



^0. oO. 



HUMULUS LUPULUS 



English Name— COMMON HOP. 



Frexch Name — Houblon co3imun. 



Ctekman Name — IIorFEX. 



OmciNAL Names— Lupuli coni, humuli strobili- 



Vulgar Names— Hops, Wild-hopsj Hopvlne. 



Authorities- — Lhu Pursh, Nutta-l, A. Ives> 

 Schoepf, Treaks, Bryorly^ Bigsby, niany Dispens. 

 Alibert, Coxe, Eberle, MatoH; Roches, ZoIIickoffer, 

 Elsrelovvj fi^- 60 and Seq. 



Genus Humulus — Diolcal, Staminate flowers with 

 a five leaved perigone, Stamina five^ anthers bipore. 

 Plstllate flowers strobilate: bracts biflore, perigone 

 one leaved^ persistent entire, concave, invokite. One 

 pistil, two styles, one seed. 



Species H. lupulus — Stem twining and rough, 

 leaves opposite, petiolate, cordate, three or five 

 lobed, acute, sharply serrate, rough: staminate flow- 

 ers panicled, fertile strobiles axillary peduncled. 



DESCRIPTION—Root perennial. Stem annual, 

 forming a climbing vine, twining from right to left, 

 angular, rough with minute reflexed prickles. Leaves 

 opposite, petiols crooked, smaller and floral leaves 

 cordate, acuminate, serrate: the main leaves nearly 

 palmate, trilobe, sometimes five lobej lobes large, 

 oval acute, sharply serrate; sinusses obtuse, without 



