NIGHTSHADE FAMILY. 257 



many places ; and being rather difficult to get rid of when once estab- 

 lished, is often something of a nuisance. It is frequently cultivated to 

 cover screens, &c. ; but there are so many plants better adapted every 

 way to the purpose, that its culture is not to be recommended. 



6. HYOSCY'AMUS, Tournef. Henbane. 



[Greek, Hys, Hyos, a bog, and Kyamos, a beau, because it either is or is not poisonous to 

 hogs, — a point upon which authors differ.] 



Calyx bell-shaped or urn-shaped, 5-lobed. Corolla funnel-form, oblique, 



Fig. 165. The Ground or Winter-cherry (Physalis Alkekengi). a. A fruit vrith half of 

 the inflated calyx cut away. 



