PRUNUS SERRULATA IN FLOWER. (Spring.)

THE DOUBLE-FLOWERED BIRD CHERRY. (Prunus Padus fl. pl.)

Name.Country or Origin and Natural Order.Colour and Season.General Remarks.
Laurocerasus Group.
P. ilicifoliaCaliforniaWhiteA tender evergreen with holly-like leaves, but only hardy in warm southern and western countries. It is a small bush, 6 feet to 8 feet high, and has short and erect flower racemes and deep-green leaves.
P. Laurocerasus (Cherry Laurel)East EuropeWhiteA well-known evergreen, too freely planted in the past, and so vigorous as to over-run the garden in course of years. The varieties are more planted than the type, as they are handsomer. The most distinct are Bertini (latifolia), camelliæfolia, caucasica, rotundifolia, and schipkænsis; the last mentioned is about the hardiest.
*P. lusitanica (Portugal Laurel)Spain and PortugalWhiteA popular evergreen. There are four varieties—azorica, which is very tender; coriacea; myrtifolia, small narrow leaves, and bears clipping well. P. ilicifolia is the only plant that need be raised from seed. The Cherry and Portugal Laurels, with their varieties, are usually propagated by cuttings, ripened wood of almost any size being cut into pieces 8 inches or so in length, and inserted nearly their full length in the ground. This can be done from the time the wood is ripe enough until the end of the year. Practically every cutting will root and make sturdy plants in a twelvemonth. The Portugal Laurel is also largely raised from seeds, which are gathered when ripe and sown immediately without any preliminary cleaning. If kept in sand until the following spring, they begin to grow before the season is sufficiently advanced to sow them, and if dried, nearly a year is lost before they germinate.

PYRUS SINAICA.

Name.Country or Origin and Natural Order.Colour and Season.General Remarks.
PyrusRosaceæ An important and beautiful genus, as it includes the Pears, Apples, and Quinces of the hardy fruit garden, and such trees as the Flowering Crabs, the White Beam tree, Mountain Ash, and Pyrus japonica. It is divided into seven sections, viz., Pyrophorum, which includes the true pears; Malus, the Wild Crab apples, parents of many garden forms; Aria, of which the White Beam tree is a good type; Sorbus, in which is found the Mountain Ash; Adenorachis, which only contains the North American species, Cydonia, the Quinces, and Mespilus, with which is placed the Medlar. These are found practically throughout the northern temperate zone, under varying conditions, and with one or two unimportant exceptions, are all hardy in this country. The majority of the Pyrus are trees of considerable size. A few are small trees, and about half a dozen are low-growing and dense shrubs. All are deciduous, and will grow in ordinary garden soil, but none of them like a cold and moist soil and position. Ground that will grow Apples and Pears well will suit the Pyruses, though they will thrive in considerably poorer soil than is recommended for fruit culture. In planting, the ground should be deeply trenched, and the bottom well broken up, any clay or gravel that is encountered being thrown out and replaced with good soil. Most of the Pyrus root deeply, and if the soil is not properly prepared in the first place they are apt to fail and get cankered. Propagation is done by seeds, budding, or grafting, and in a few cases by suckers. The best ways are given with each section.
Pyrophorum Group (the True Pears).
P. betulæfoliaChina and JapanWhite; early SpringA small and pretty tree, 15 feet to 20 feet high, with leaves somewhat like those of a Birch in shape, though rather larger. They are on long petioles, and have a pleasing sound when ruffled by the wind. It does not flower or fruit much until well established. The white flowers are in dense clusters and appear before the leaves.
*P. communis (the Wild Pear)Europe and AsiaWhite; SpringAs this is widely distributed it varies greatly. The type is more interesting for its flowers than for its fruit, which is hard, gritty, and dry. It grows 30 to 40 feet high, and has long spreading branches, half pendulous. When the tree is covered with its white flowers the effect is very beautiful. There are several named varieties, the best being flore-pleno, with semi-double flowers; linearis, with long, narrow leaves, and pendula, described by the name.
P. nivalisEastern EuropeWhite; SpringA small spreading tree which flowers in great abundance; the fruits are plentifully produced, and are nearly globular in shape, and of fairly good flavour, but dry. The habit of the tree and shape and flavour of the fruit suggest some of the garden pears. There is a variety with leaves variegated with white.
P. sinaicaAsia MinorWhite; AprilThis is one of the few species worth growing for their leaves alone, for during Spring and Summer it is quite silvery. Although about 20 feet high in its native country, it makes here, as a rule, a small bushy stunted tree.
*P. salicifolia (Willow-leaved Pear)Levant A beautiful tree, about 15 feet high, and delightful to make groups of for the sake of its long and narrow silvery-white leaves. There is a creeping variety of it. The flowers are white, and the fruits small and woody, neither of much account. It is the effect of the foliage that we must consider, which is very charming when waving in the wind. A good tree for grouping and for small gardens, and this remark applies also to the weeping form. The Pyrophorum group will come true from seed, which is the best way of propagating them. If not from seeds they can be worked on stocks of the Wild Pear, on which they do fairly well, though much better on their own roots. There are other species in this section, such as P. auricularis, P. Michauxi, P. parviflora, P. Pashia, and P. sinensis, but the above are the most important.

PYRUS SPECTABILIS ON LAWN. (Spring.)