. 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. FEESH-WATEE AQUAEIA. The Water Violet (Hottonia palustris) (Fig. 58) is named after Professor Hotton, of Leyden. In some respects it is like the Water Crowfoot, though it certainly has the advantage of the comparison. It is by no means a common plant, but it is found plentifully enough in the ponds and ditches of Norfolk and Suffolk. Dealers in aquai-ium necessaries are gener
. 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. FEESH-WATEE AQUAEIA. The Water Violet (Hottonia palustris) (Fig. 58) is named after Professor Hotton, of Leyden. In some respects it is like the Water Crowfoot, though it certainly has the advantage of the comparison. It is by no means a common plant, but it is found plentifully enough in the ponds and ditches of Norfolk and Suffolk. Dealers in aquai-ium necessaries are generally able to supply this weed during the season. It will grow well in a tank, but it should not be tied in a bunch and sunk by a stone to the bottom, according to a common practice; it ought to be planted separately, a piece of the creeping root being attached. H. palustris has feathery leaves, which grow in tufts under the water, only the upper part of the flower-stalk rising a few inches above the surface. The five-petalled flowers are rather large, and vary in colour from pink and yellow to almost white. Amphibious Persicaria (Poly- gonum amphibivm) is a hand- some plant, and will grow readily in an aquarium. It is not uncom- mon, and is found either in still water or upon marshy land; but when living in the former it assumes quite a different shape to that which it has when growing upon the latter; indeed, the dif- ference is so great that the varieties might be taken for two distinct species. In the one case, the leaves are broad and smooth, and float at the end of long stalks; in the other, the stem is short and the leaves are narrow and rough. The flowers are rose-coloured. A portion of this plant having a piece of the creeping stem attached (which stem ought to be sending out roots at a joint or two) should be set in the sand at the bottom of the aquarium. The Flowering Bush (Butomus umbellatus) (Fig. 59) is an exceedingly pretty water-plant. It has narrow, three-corner
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaquariu, bookyear1890
