. The Book of gardening; a handbook of horticulture. Gardening; Floriculture. 370 THE BOOK OF GARDENING. IS a Japanese species named B Thunhe?'gi, which forms a dwarf, compact, much-branched bush, with small pendent flowers and tinv pale green leaves, which are brilliant crimson, orange, and yellow in autumn ; this is a first-rate subject for small gardens, as well as for planting in front of taller-growing shrubs. B. virescens and B. cojiciujia are effective. B. angulosa is beautiful in the autumn, the foliag:e dvins; off a crimson-scarlet colour. Birches {Betula) are scattered over Europe, A


. The Book of gardening; a handbook of horticulture. Gardening; Floriculture. 370 THE BOOK OF GARDENING. IS a Japanese species named B Thunhe?'gi, which forms a dwarf, compact, much-branched bush, with small pendent flowers and tinv pale green leaves, which are brilliant crimson, orange, and yellow in autumn ; this is a first-rate subject for small gardens, as well as for planting in front of taller-growing shrubs. B. virescens and B. cojiciujia are effective. B. angulosa is beautiful in the autumn, the foliag:e dvins; off a crimson-scarlet colour. Birches {Betula) are scattered over Europe, Asia, Japan, and North America, and vary from mere bushes to trees nearly looft. high. Few trees, either exotic or native, are more beautiful than our own British Birch {Betula alba^ Fig. 241). Its elegant pendulous branches are clothed with leaves of the tenderest green in spring and summer, and in winter its erect slender silver trunk adds a touch of colour to the land- scape. It grows to a height of about 60ft. There are many forms of the Common Birch, and the following list comprises some of the most ornamental: B. a. pii?-purea is of drooping habit, with dark purple leaves ; distinct and handsome. B. a. fastigiata is of free, distinct s:rowth : in habit it resembles the Lombardy Poplar. B. a. dalecarlica {B. laciniafa) should be included in a list of select trees; the smooth green leaves are deeply cut and lobed. B. Ie?ita ( Birch) reaches a height of 70ft., and forms a round-headed tree : with a2;e the branches droop graceful!}-. B. Maxi- ?fioii'itzii, one of the latest additions to the Birches, is very ornamental, free in growth, and quite hardy: it is a Japanese species with large leaves—much larsjer than those of anv other Birch—and has rather dull orange-coloured bark. B. ?u'gra (Red Birch") loves a moist soil, such as on the margins of lakes and streams, and is well adapted for -public parks and gardens: its rough, picturesque trunk is handsome. B. occ


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