. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. 84 FEESH-WATEE a large grass or sedge in its habit, but it may be easily dis- tinguished by its curious spadix, which is 2in. or Sin. long, and of a light brown colour. The whole plant gives out a very pleasant aromatic scent, and for this reason it was frequently used many years ago (and is, I believe, even now sometimes) for covering the floors of churches and hou
. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. 84 FEESH-WATEE a large grass or sedge in its habit, but it may be easily dis- tinguished by its curious spadix, which is 2in. or Sin. long, and of a light brown colour. The whole plant gives out a very pleasant aromatic scent, and for this reason it was frequently used many years ago (and is, I believe, even now sometimes) for covering the floors of churches and houses. This plant is common in Nor- folk and Suffolk. The Broad-leaved Pond-weed {Fotamogeton natans) (Fig. 64) is common in ponds and ditches, but more so in the former than in the latter. The only draw- back that I know of to the presence of this plant in the aquarium is the liability of some of the leaves to premature decay: in other respects it is most suitable for a tank, as it is both ornamental and a good producer of oxygen. P. natans has, as a rule, particularly in deep water, two sets of leaves: the upper ones float upon the surface at the end of long stalks, which are able to adjust themselves to the depth of the pond or. ditch in which they are growing; the lower ones are often absent in shallow water. The floating leaves are ovate, and 2in. or Sin. long; the submerged ones are somewhat similar to long grass. The green flowers grow on small spikes just above the water. This weed may be planted in a pot containing loam and silver sand. The Cape Fragrant "Water Lily [Aponogeton distachyon) (Fig. 65) grows exceedingly well in an aquarium, and is very graceful, having bright green, ovate, floating leaves on very long stalks. The groups of white flowers are forked, and float upon the water: they remain in perfection for a long time, and give out a strong, pleasant smell. This plant may be propagated by division of the root, and can always be bought for a small Fig. 63.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaquariu, bookyear1890
