Sand cherry, Prunus pumila* and P. Besseyi.*
The sand cherry of sandy shores grows 5-8 ft.; the western sand cherry (P. Besseyi) is more spreading and is grown for its fruit. The European dwarf cherry (P. fruticosa) is 2-4 ft., with white flowers in umbels.
Flowering almond, Prunus Japonica.
In its double-flowered form, familiar for its early bloom; 3-5 ft; often grafted on other stocks, which are liable to sprout and become troublesome.
Hop-tree, Ptelea trifoliata.*
Very interesting when bearing its roundish winged fruits; 8-10 ft., but becoming larger and tree-like.
Buckthorn, Rhamnus cathartica.
Much used for hedges; 8-12 ft.
Alpine buckthorn, R. alpina.
Foliage attractive; 5-6 ft.