. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. 528 THE BOOK OF GARDENING. and others, are endowed with most gorgeous hues, turning from. a delicate pink to a bright magenta, and finally changing to a glaucous green tint of exquisite softness, before assuming the uniform and permanent green colour which they retain to the- end of their existence. The same changes of colours also apply to Blechnum Occi- dent ale, Doodia media, and D. aspera multifida (Fig. 333), to the striking Didy- mochlcena truncatula, the ever - charming dwarf-growing Lomaria L'Hermi- nieri, th
. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. 528 THE BOOK OF GARDENING. and others, are endowed with most gorgeous hues, turning from. a delicate pink to a bright magenta, and finally changing to a glaucous green tint of exquisite softness, before assuming the uniform and permanent green colour which they retain to the- end of their existence. The same changes of colours also apply to Blechnum Occi- dent ale, Doodia media, and D. aspera multifida (Fig. 333), to the striking Didy- mochlcena truncatula, the ever - charming dwarf-growing Lomaria L'Hermi- nieri, the handsome, large growing Davallia polyantha, and many other species of small or large habit. To those- who might object that the variations in colour above re- ferred to only belong to the early part of the vegetation of the plants, it may be answered that, as. Ferns of an ever- green nature are growing nearly all the year round, the- objection is not of great consequence, as there is always a variety of colour to be seen and admired wherever a certain, quantity of these plants are grown. Cultivation.—For their cultivation, Ferns may be divided into- two sections, viz., the hardy kinds, which, in this country succeed best when grown out of doors, and the exotic kinds, which require glass protection. Their habits and modes of growth are so varied, affecting as they do, in their natural state, so many different positions, that their successful treatment depends in a great measure upon the imitation of their natural conditions. For instance, the species having an upright or slowly-creeping stem, usually sending their roots further down than others, and therefore requiring a greater depth of soil, are best adapted for pot culture. The species which are provided with rhizomes, and also with stolons, require to be grown either in pans or on rockwork, or, again, on dead Tree-Fern stems, or in hanging Fig. 333.—Doodia aspera Please note that these images are
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