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Crataegus (Hawthorn) - A very interesting and ornamental genus of small trees or occasionally dwarf shrubs, belonging to Rosaceae. The majority are deciduous, one or two being evergreen. The flowers of most are white, some being pink or red. Most of them fruit freely, the fruit being ornamental, yellow, orange, or red being the prevailing colours. Flowering usually takes place in May, but one variety, Crataegus monogyna praecox, the Glastonbury Thorn, blossoms from November to March.

The fruit is at its best from August to October, some sorts keeping it through the winter.

The Crataeguses will grow almost anywhere, and are excellent for large or small gardens. For town gardens they are specially recommended, while near the sea they also thrive well. The Quick or White Thorn so commonly used for hedges is Crataegus Oxyacantha. Many species are in cultivation, of which a few only are mentioned.

Crataegus coccinea - A bushy headed tree from the eastern United States, where it is called the Scarlet Haw. It grows 20 feet high, and has ovate, deeply lobed leaves and large corymbs of white flowers followed by large, fleshy, scarlet fruit. The leaves turn to a pretty orange scarlet before falling. It was introduced in 1683. There are several varieties, which differ -in size of leaf or fruit.

Crataegus cordata, the Washington Thorn of North America, was introduced in 1738. It forms a moderate sized tree 30 feet high, with cordate, deeply lobed leaves and white flowers followed by small scarlet fruits, which ripen in November and hang on the trees all the winter.

Crataegus Crus-galli, also known as the Cockspur or the Newcastle Thorn.

Crataegus Douglasii - This is an interesting North American plant with obovate or oval leaves, white flowers, and orange coloured fruit. It was introduced in 1827.

Crataegus inacrantlua, from the United States in 1819, is a medium sized tree with round, coral red berries.

Crataegus moths - A very showy Thorn from the United States, with large, fleshy, bright red fruits. The leaves turn to a pretty shade of yellow before falling. The flowers are white.

Crataegus Orieotalis, the Eastern Thorn, was introduced from the Orient in 1810. This forms a flat headed tree 15 feet high, with small, hairy, deeply lobed leaves, white flowers, and red fruits.

Crataegus Oxycantha.

Crataegus punctata, a North American tree growing 20 to 30 feet high, introduced in 1746. It bears very large fruits, which are red in colour. The varieties brevispina and xanthocarpa have dark red and yellow fruits respectively.

Crataegus Pyracantha is a well known subject for covering walls. It bears small evergreen leaves, white flowers, and scarlet fruit. Against a wall it grows 20 feet high, in the open it forms a large dense bush. C. P. Lalandi is a strong growing, floriferous variety.