100 CALENDAR OF FLOWERING 



prune it well, and to remove all the suckers. Lilacs 

 can be mostly divided under three heads : S. rulgaris. 

 S. c/thii'itix, and S. pcrs/cti. 



Syringa chinensis 



(Chinese, or Ronen Lilac], syn. for S. dnbia and 

 S. rothomagensis, is an intermediate between S. vulgaris 

 and S. periled; and grows to a height of 4 ft. Its 

 flowers vary a good deal in colour, but are mostly of 

 an intense violet shade. 



Syringa dubia 



Syn. for S. chinensis, q.v. 



Syringa persica 



(Perx'uui Lilac] is quite different from the other 

 varieties. It is erect in growth, about 5 ft. high, and 

 bears small clusters of pale lilac flowers. A very pretty 

 variety, with indented leaves, is called S. p. laciniata. 



Syringa vulgaris 



(Common Lilac) will vary in height from 8 ft. to 

 20 ft., and can be met with in red, blue, and white 

 varieties 



S. v. alba plena, with double white flowers, about 

 15 ft. high. 



