250 



POISONING. 



a great variety of common names, the most important of winch are 

 lam-el and ivy. The latter name is most commonly used south of Mary- 

 land. Scores of cattle and sheep are poisoned annually hy eatmg the 

 plant. It is prohably the most dangerous of all the shrubs belonging 

 to the heath family. 



' Leucothoe catesbsei.— This is the branch ivy, hemlock, or calf-kill, 





Fig. 106. — Stagger bush (Piec/s marl- Fig. 107. — Great laurel {llhoihxliiuh-dii iiiti.ri- 

 aitii), showing flowering branch, vuidi). «, Flowering branch ; h, fruiting 



one-third natural size. capsules- -both one-third natural size. 



of the Allegheny Mountains. It is well known in that region to be fatal 

 to all kinds of stock. 



* Leucothoe racemosa. — The swamp Lcucotlio? of the Atlantic and 

 Gulf States has been reported from New Jersey as especially fatal to 

 calves. 



* Pieris mariana. — The stagger bush of the Atlantic Coast region, 

 Tennessee, and Arlaxnsas is commonly known to be poisonous to 

 calves and to sheep. The name stagger bush was applied to the 

 shrul) on account of the peculiar intoxicating effect of the leaves. 



* Rhododendron californicum, — The California rhododendron is 



