Douglas’ spirea, S. Douglasii.* Blossoms late,—in July; 4-8 ft.
Hard-hack, S. tomentosa.* Much like the last, but less showy; 3-4 ft.
Willow-leaved spirea, S. salicifolia.*‡ Blooms late; 4-5 ft.
Bladder-nut, Staphylea trifolia* Well-known rather coarse native shrub; 6-12 ft.
Colchican bladder-nut, S. Colchica. Good early flowering shrub; 6-12 ft.
Styrax, Styrax Japonica. One of the most graceful of flowering shrubs, producing fragrant flowers in early summer; 8-10 ft. or more.
Snow-berry, Symphoricarpos racemosus.*‡ Cultivated for its snow-white berries, that hang in autumn and early winter; 3-5 ft.
Indian currant, S. vulgaris.‡ Foliage delicate; berries red; valuable for shady places and against walls; 4-5 ft.
Common lilac, Syringa vulgaris.‡ (The name syringa is commonly misapplied to the species of Philadelphus.) The standard spring-blooming shrub in the North; 8-15 ft.; many forms.