120 NATURE STUDY AND AGRICULTURE 
Sumac. — Several species of this bush are sold by dealers, 
but none of them is superior to the common smooth sumac 
which is a native of the northern states. Its foliage has a rich 
tropical appearance in summer and in autumn it turns to 
brilliant shades of red. 
The Syringa or mock orange is one of our most famous 
shrubs, being prized for the delicate fragrance and purity and 
charm of its waxy white flowers. It blooms in midsummer. 
SPRIGS OF SHRUBS 
a, Sumac; b, Syringa; c, Rugosa Rose in bloom; d, Early Wild Rose. 
Roses. — While a number of fine roses can be grown suc- 
cessfully in the North, nearly all require some special care to 
bring them safely through the winter. It is well to begin 
with those that can shift for themselves like other shrubs. 
The rugosa roses and the native meadow roses are able to 
meet that requirement most easily. 
The rugosa or Japan roses and their hybrids are hardy in 
the coldest parts of Minnesota and North Dakota. There 
are single and double varieties, and they may be had in pure 
