222 ©rnamental Shrubs. 



THE HALLOW FAMILY. 



Rose of Sharon, Hibiscus Syriacus. — A tall and beauti- 

 ful shrub of au erect habit and an obovate outline, with 

 broadly ovate, threedobed leaves, and single or double 

 axillary flowers late in summer. There are numerous varie- 

 ties, varying iu color from pure white to deep crimson and 

 purple. The single white, single purple, and the variety 

 known as pceoniajhra are among the best, though many of 

 the double varieties are also beautiful. They are fine in 

 groups of three or more on the lawn in any moderately 

 good soil. 



TIIE BUE FAMILY. 



Hop Tree, Ptelea trifoliata. — A tall shrub with orna- 

 mental trifoliate leaves. Fine iu shrubberies. 



THE SUMACH FAMILY. 



Smoke Tree, Rhus Cot tints. — A large shrub with 

 smooth, obovate leaves and huge panicles of flowers in 

 early summer. The inflorescence remains after the fall of the 

 flowers throughout the summer, and becomes light and 

 feathery in appearance. The plants, covered with these 

 pale reddish panicles, are very ornamental. Of the common 

 American sumachs few are worth cultivation. They are 

 generally of a coarse and weedy appearance. A variety of 

 the smooth-leaved sumach (R. glabra lacii) lata) with deeply 

 cut leaves is, however, a very beautiful and useful foliage 

 plant. Ordinary, good soil. 



THE BUCKTHORN FAMILY. 



Buckthorn, Rhamnus catharticus. — Thorny shrub use- 

 ful in screen planting. Leaves ovate. Flowers greenish 



