Very showy while in flower.

Purple plum, _Prunus cerasifera,_ var. _atropurpurea_ (var. _p.i.s.sardi_).

One of our most reliable purple-leaved trees.

Rose-bud cherry, _P. pendula_ (_P. subhirtella_).

A tree of drooping habit and beautiful rose-pink flowers preceding the leaves.

j.a.panese flowering cherry, _P. Pseudo-Cerasus._

In many forms, the famous flowering cherries of j.a.pan, but not reliable North.

There are ornamental-flowered peaches and cherries, more curious and interesting than useful.

Wild crab, _Pyrus coronaria_(A) and _P. Ioensis._(A)

Very showy while in flower, blooming after apple blossoms have fallen; old specimens become picturesque in form. _P. Ioensis flore pleno_(DD) (Bechtel's Crab) is a handsome double form.

Siberian crab, _P. baccata._(DD) Excellent small tree, both in flower and fruit.

Flowering crab, _Pyrus floribunda._ Pretty both in flower and fruit; a large shrub or small tree; various forms.

Hall's crab, _P. Halliana_ (_P. Parkmani_). One of the best of the flowering crabs, particularly the double form. Various forms of double-flowering apple are on the market.

Swamp white oak, _Quercus bicolor._(A)(D) A desirable tree, usually neglected; very picturesque in winter.

Bur oak, _Q. macrocarpa._(A)(D)

Chestnut oak, _Q. Prinus,_(A)(D) and especially the closely related _Q.

Muhlenbergii_ (or _Q. ac.u.minata_).(A)(D)

White oak, _Q. alba_(A)(D)

Shingle oak, _Q. imbricaria._(A)(D)

Scarlet oak, _Q. coccinea._(A)(D) This and the next two are glossy-leaved, and are desirable for bright planting.

Black oak, _Q. velutina_ (_Q. tinctoria_).(A)(D)

Red oak, _Q. rubra._(A)(D)(DD)

Pin oak, _Q. pal.u.s.tris._(A)(D) Excellent for avenues; transplants well.

Willow oak, _Q. Ph.e.l.los_(A)

English oak, _Q. Robur._ Many forms represented by two types, probably good species, _Q. pedunculata_ (with stalked acorns) and _Q.

sessiliflora_ (with stalkless acorns). Some of the forms are reliable in the Northern states.

The oaks are slow growers and usually transplant with difficulty.

Natural specimens are most valuable. A large well-grown oak is one of the grandest of trees.

Locust, _Robinia Pseudacacia._(A)(D) Attractive in flower; handsome as single specimens when young; many forms; used also for hedges.

Peach-leaved willow, _Salix amygdaloides._(A) Very handsome small tree, deserving more attention. This and the next valuable in low places or along water-courses.

Black willow, _S. nigra._(A)

Weeping willow, _S. Babylonica._

To be planted sparingly, preferably near water; the sort known as the Wisconsin weeping willow appears to be much hardier than the common type; many forms.

White willow, _S. alba,_ and various varieties, one of which is the Golden willow.

Tree willows are most valuable, as a rule, when used for temporary plantations or as nurses for better trees.

Laurel-leaved willow, _S. laurifolia_(DD)

A small tree used in cold regions for shelter-belts; also a good ornamental tree. See also under Shrubs.

Sa.s.safras, _Sa.s.safras officinalis._(A)(D)

Suitable in the borders of groups or for single specimens; peculiar in winter; too much neglected.

Rowan or European mountain ash, _Sorbus Aucuparia_ (_Pyrus Aucuparia_).(DD)

Service-tree, _S. domestica._

Fruit handsomer than that of the mountain ash and more persistent; small tree.

Oak-leaved mountain ash, _S. hybrida_ (_S. quercifolia_).

Small tree, deserving to be better known.

Bald cypress, _Taxodium distichum._(A)

Not entirely hardy at Lansing, Mich.; often becomes scraggly after fifteen or twenty years, but a good tree; many cultural forms.

American linden or ba.s.swood, _Tilia Americana._(A)(D)

Very valuable for single trees on large lawns, or for roadsides.

European linden, _T. vulgaris_ and _T. platyphyllos_ (_T. Europaea_ of nurserymen is probably usually the latter).(D)

Has the general character of the American ba.s.swood.

European silver linden, _T. tomentosa_ and varieties.(D)