TREATMENT OF SLOPING GROUNDS. 29 



tree, weeping lai'ch, pyramidal oak, Lombardy poplar, 

 UTius aromatica and ItJius glabra laciniata or cut-leaved 

 sumach, the ginkgo tree ( Sali-ihtiria adiantifolia ) , Salix 

 rosmarinifolia (rosemary-leaved willow), and the Japan 

 weeping (8ophora). Some of the shrubs 

 suitable for rocky regions are the Ghent 

 or hardy azalea, Glethra atnifolia, Cornus 

 sanguinea alba (the red-twigged dogwood), 

 Daphne Genhtva, Deutzia gracilis, Elceagmis 

 hortensis, JSlceagnus longipes, Euonymths 

 alatus, Forsytliia suspensa, Foihergilla al- 

 nifolia, Genista scoparia (Scotch broom), 

 Genista tinctoria, Itea Virginica, Kerria 

 Japonica, Jasminum midifiomm, Lanicera 

 fragrantissima, Lycium harbarum, Myrica 

 cerifera, Prinos verticillata, Primus mari- 

 tima, Rhodotypus herrioi- 

 des, Rubus odoratus, Sam- 

 hue us nigra aurea, Spircea 

 Peevesiana, 8. callosa, 8. 

 callosa alba, 8. opulifolia, 

 8ympli(yricarpus vulgaris, 

 8. racemosa, Tamarix Afri- 

 cana, T. Indica, Viburnum 

 opulus, Yucca flamentosa, 



YUCCA RECURVA. 



and Y! recurva. 



The best evei'greens for i-ockwork are the weeping 



hemlock, the weeping Norway spruce or Picea excelsa 



inverta, Picea excelsa elata, Cedrus Atlantica, Juniper us 



Virginiana (the red cedar), tT. pi^ostrata, J. squamata, J. 



