274 POISONOUS AND MECHANICALLY INJURIOUS PLANTS 



tains of California, Oregon, Washington, Nevada, and in the 

 Rockies, probably the cause of heavy losses of sheep in Cali- 

 fornia (Fig. 96); white " laurel," or azalea (Azalea occidentalis) , 

 found in the Coast Range Mountains and in the Sierras, poison- 



FiG. 94. — SMOOTH MENZIESIA 



(Menziesia glabella). 



Fig. OS. — black "LAUREL' 



{Leucothoe Davisiae). 



ous to sheep (Fig. 97); white rhododendron {Rhododendron 

 albiflorum), generally distributed in the mountains of the North- 

 west, undoubtedly responsible for some livestock losses (Fig. 98) ; 

 and caHcobush, or " mountain laurel " (Kalmia latifolia), which 

 poisons many cattle and sheep in the East and South, its range 

 extending from Canada and New Brunswick to Florida, and 

 through the Gulf States to Louisiana and Arkansas (Fig. 99). 

 Sheep "laurel," or lambkill (Kalmia angustifolia) , swamp eubot- 

 rys (Eubotrys racemosa), and staggerbush (Neopieris mariana) 

 should be mentioned here, as all these cause a certain amount 



