244 



POISONING. 



LINAGES (flax FAMILY). 



Linum rigidum. — The large-flowered yellow flax is reported from 

 Pecos Valley, Texas, as poisonous to sheep. An investigation made by the 

 Bureau of Animal Industry, U.S.A., showed that the plant is poisonous. 



Fig. 96. — Caper spurge {Eiii^horhia 

 lathyris). a, Upper half of plant, 

 one-third natural size ; b, seed 

 capsule, natural size. 



Fig. 97. — Snow on the mountain (Eu- 

 phorbia marginata). a, Whole plant 

 one-third natural size; b, seed capsule, 

 natural size. 



MELIACE-^ (UMBRELLA-TKEE FAMILY). | 



* Melia azedarach. — The Chinese umbrella tree is much cultivated | 



for ornament, and sometimes grows wild in the South. A correspondent | 



from Arizona stated that three of his hogs were poisoned by eating the | 

 seeds, which were ignorantly offered to them for food. 



EUPHORBIACE^ (SPURGE FAMILY). 



Euphorbia. — There are many species of spurge native to the United 

 States, nearly all of which contain an acrid milky juice. Stock generally 



