Manual of Gardening Part 37

Dwarf birch, _Betula pumila._(A) Desirable for low places; 3-10 ft.

Box, _Buxus sempervirens._ An evergreen shrub, useful for hedges and edgings in cities; several varieties, some of them very dwarf. See page 220.

Carolina allspice, sweet-scented shrub, _Calycanthus floridus._(A) Dull purple, very fragrant flowers; 3-8 ft.

Siberian pea-tree, _Caragana arborescens._(DD) Flowers pea-like, yellow, in May; very hardy; 10-15 feet.

Small pea-tree, _C. pygmoea._ Very small, 1-3 ft, but sometimes grafted on _C. arborescens._

Shrubby pea-tree, _C. frutescens._(DD) Flowers larger than those of _C.

arborescens;_ 3--10 ft.

Large-flowered pea-tree, _C. grandiflora._(DD) Larger-flowered than the last, which it resembles; 4 ft.

Blue spirea, _Caryopteris Mastacanthus._ Flowers bright blue, in late summer and fall; 2-4 ft., but is likely to die to ground in winter.

Chinquapin or dwarf chestnut, _Castanea pumila._(A) Becomes a small tree, but usually bushy.

Ceanothus, _Ceanothus America.n.u.s._(A) A very small native shrub, desirable for dry places under trees; 2-3 ft. There are many good European garden forms of ceanothus, but not hardy in the northern states.

b.u.t.ton-bush, _Cephalanthus occidentalis._(A) Blossoms in July and August; desirable for water-courses and other low places; 4-10 ft.

Fringe tree, _Chionanthus Virginica._(A) Shrub as large as lilac, or becoming tree-like, with fringe-like white flowers in spring.

White alder, _Clethra alnifolia._(A) A very fine, hardy shrub, producing very fragrant flowers in July and August; should be better known; 4-10 ft.

Bladder senna, _Colutea arborescens._ Pea-like yellowish flowers in June, and big inflated pods; 8-12 ft.

European osier, _Cornus alba_ (known also as _C. Sibirica_ and _C.

Tatarica_). Branches deep red; 4-8 ft.; the variegated form (DD) has leaves edged white.

Bailey's osier, _Cornus Baileyi._(A) Probably the finest of the native osiers for color of twigs and foliage; 5-8 ft.

Red-twigged osier, _Cornus stolonifera._(A) The red twigs are very showy in winter; 5 to 8 ft.; some bushes are brighter in color than others.

Flowering dogwood, _C. florida._(A) Very showy tree or big shrub, desirable for borders of groups and belts. A red-flowered variety is on the market.

Cornelian Cherry, _Cornus Mas._ Becoming a small tree, 15-20 ft.; flowers numerous in bunches, yellow, before the leaves; fruit, cherry-like, edible, red.

Hazel or filbert, _Corylus maxima_ var. _purpurea._ A well-known purple-leaved shrub, usually catalogued as _C. Avellana purpurea._ The eastern American species (_C. Americana_(A) and _C. rostrata_(A)) are also interesting.

Cotoneaster. Several species of cotoneaster are suitable for cultivation in the middle and southern lat.i.tudes. They are allied to crataegus. Some are evergreen. Some kinds bear handsome persistent fruits.

Wild thorns, _Cratoegus punctata,_(A) _C. coccinea,_(A)(DD) _C.

Crus-galli,_(A)(DD) and others. The native thorn apples or hawthorns, of numerous species, are amongst our best large shrubs for planting and should be much better known; 6-20 ft.

j.a.panese quince, _Cydonia_ (or _Pyrus_) _j.a.ponica._ An old favorite blooming in earliest spring, in advance of the leaves; not hardy at Lansing, Mich.; 4-5 ft.

Maule's j.a.panese quince, _C. Maulei._(DD) Bright red; fruit handsome; hardier than _C. j.a.ponica;_ 1-3 ft.

Daphne, _Daphne Mezereum._ Produces rose-purple or white flowers in abundance in earliest spring before the leaves appear. Should be planted on the edges of groups; leaves deciduous; 1-4 ft.

Garland flower, _D. Cneorum._(DD) Pink flowers in very early spring and again in autumn; leaves evergreen; 1-1/2 ft.

Deutzia, _Deutzia scabra_ (or _crenata_) and varieties. Standard shrubs; the variety "Pride of Rochester," with pinkish flowers, is perhaps the best form for the North; 4-6 ft. Of this and the next there are forms with ornamental foliage.

Small deutzia, _D. gracilis._ Very close little bush, with pure white flowers; 2-3 ft.

Lemoine's deutzia, _D. Lemoinei._ A hybrid, very desirable; 1-3 ft.

Weigela, _Diervilla j.a.ponica_ and other species. Free bloomers, very fine, in many colors, 4-6 ft.; the forms known as _Candida,(DD) rosea,_(DD) _Sieboldii variegata,_(DD) are hardy and good.

Leatherwood, _Dirca pal.u.s.tris._(A) If well grown, the leatherwood makes a very neat plant; blossoms appear before the leaves, but not showy; 4-6 ft.

Russian olive, oleaster, _Eloeagnus angustifolia._(DD) Foliage silvery white; very hardy; becoming a small tree, 15-20 ft.

Wolf-willow, _E. argentea._(A)(DD) Large and silvery leaves; suckers badly; 8-12 ft.

Goumi, _E. longipes_ (sometimes called _E. edulis_). Attractive spreading bush, with handsome edible cranberry-like berries; 5-6 ft.

Burning-bush, _Euonymus atropurpureus._(A) Very attractive in fruit; 8-12 ft., or even becoming tree-like.

Several other species are in cultivation, some of them evergreen. In the North, success may be expected with _E. Europoeus_ (sometimes a small tree), _E. alatus, E. Bungea.n.u.s, E. latifolius,_ and perhaps others.

Exochorda, _Exochorda grandiflora._ A large and very showy shrub, producing a profusion of apple-like white flowers in early spring; 6-12 ft; allied to the spireas.

Forsythia, _Forsythia viridissima._ Blossoms yellow, appearing before the leaves; requires protection in many places North; 6-10 ft.

Drooping forsythia, _F. suspensa._ Makes an attractive ma.s.s on a bank or border; 6-12 ft.

Dyer's weed, _Genista tinctoria._(DD)

Yellow pea-like flowers in June; 1-3 ft.

Silver-bell tree, _Halesia tetraptera._(A)

Bell-shaped white flowers in May; 8-10 ft.

Witch hazel, _Hamamelis Virginiana._(A)

Blossoms in October and November; unique and desirable if well grown; 8-12 ft.

Althea, Rose of Sharon, _Hibiscus Syriacus_ (_Althoea frutex_).

In many forms, purple, red, and white, and perhaps the best of late summer-blooming shrubs; 8-12 ft.

Hydrangea, _Hydrangea paniculata,_ var. _grandiflora._(DD)

One of the best and most showy small flowering shrubs; 4-10 ft.