Note.—In the European mountain ash, P. aucuparia, the leaves have a blunter apex than is usually found in either of the American species, and have a more decided tendency to double serration.

Plate LVIII.—Pyrus sambucifolia.

1. Winter buds.
2. Flowering branch.
3. Flower with part of perianth and stamens removed.
4. Fruiting branch.

Pyrus communis, L.

Pear Tree.

The common pear, introduced from Europe; a frequent escape from cultivation throughout New England and elsewhere; becomes scraggly and shrubby in a wild state.

Pyrus Malus, L.

Malus Malus, Britton.