BEAUTIFUL FLOWERING TREES AND SHRUBS. 



9 



a fine variety of the Common Laburnum, such as Alschingeri, and one of 

 the Scotch Laburnum, as Parksii (fig. 3), because of the larger develop- 

 ment of their racemes. Both the Common and Scotch forms should 

 be represented, because of the difference in the period of flowering. 



The thorns form suitable companions to the laburnums and other 

 subjects flowering at the same time, and of the varieties of Crataegus 

 Oxyacantha, the double pink, double white, and Paul's double crimson can 

 be strongly recommended, as well as the single-flowered white weeping 

 form. The tansy-leaved thorn (C. tanacetifolia) has pure white flowers, 

 is very free in blooming, [and valuable because of its season of flowering 



