PLANTS POISONOUS TO EAT 203 
gerous from the rather close resemblance of the leaves of small 
seedlings to wintergreen or checkerberry leaves (see Fig. 147) 
which children are fond of chewing. The laurels are among 
our most poisonous plants and have a bad record particularly 
with reference to domestic animals. 
Fic. 191.—Snow-on-the-mountain (Euphorbia marginata, Spurge Family, 
Euphorbiacee). a, whole plant, 3. 6, seed pod. (Chesnut.)—Annual 
growing about 1 m. tall; upper leaves broadly margined with white; 
flowers greenish yellow; fruit dry. Native home, Western North 
America. 
A peculiar danger attaches to the leaves of cherry-trees, 
especially of the wild black cherry. These trees frequently 
grow on the borders of pastures where cattle are kept, and it 
often happens that persons having broken off branches, 
