TREES AND SHRUBS FOR GARDEN AND PARK. 



Deciduous AILANTHUS. A. GLANDULOSA ("Tree of Heaven") makes a well-furnished specimen 

 trees. tree when planted as a bush. It is equally serviceable as a standard on long, 



clean stems six to eight feet high, pruned to form a good head ; the flowers are 

 inconspicuous, but the fruits are bright-coloured and effective. 



ALNUS. ALNUS GLUTINOSA, the " Common Alder," has few equals for planting near the 

 seaside or on waterlogged land. A fine group of Alnus, profuse in catkins, 

 overhanging the margin of river or lake, is superb. A. g. aurea (golden), A. g. 

 imperialis, and A. g. laciniata, cut-leaved forms, are effective. A. incana, the 

 " Speckled Alder ; " A. maritima, the " Seaside Alder ; " A. rhombifolia, the " White 

 Alder," and A. serrulata, the " Smooth Alder," form very useful subjects. T.S. 



AMYGDALUS. See Prunus. 



BEECH. See Fagus. 



BETULA (Birch). BETULA ALBA, the common Birch, is one of the few trees which 



FIG. 356. A SPANISH CHESTNUT. 



never seem inappropriate. Its silvery appearance and graceful pendulous habit 

 adapt it to any position. The following are forms worthy of mention : B. a. 

 pendula Youngii, " Young's Weeping Birch ; " B. a. purpurea and B. a. dalecarica ; 

 B. lenta, the " Cherry Birch ; " B. lutea, the " Yellow Birch ; " B. nigra (syn. 



B. rubra) " Red Birch ; " and the beautiful white-stemmed B. papyracea, the " Canoe 

 or Paper Birch." The pendulous forms can be effectively placed near a stream or 

 by the margin of a lake, while groups of any of the species on a hillside, especially 

 when in conjunction with Pinus sylvestris, are charming. T. 



CARPINUS. C. BETULUS, the " Hornbeam," is the type of a useful ornamental genus. 

 The most notable forms are C. b. aspenifolia, C. b. columnaris, C. b. pendula and 



C. b. pyramidalis, while C. caroliniana, the " American Hornbeam, " C. laxiflora and 

 C. cordata, from Japan, are good species. 



CARYA. A genus of ornamental trees related to the Walnuts, with bold foliage which 

 turns a fine yellow colour in the autumn. C. alba the " Shell-bark Hickory ; " 



282 



