. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. important aquarium plants on accountof its decorative value and pronounced individuality. When kept in astrong light the under sides of the leaves become a beautiful red stock is not altogether satisfactory. It throws out too many roots tomake a pleasing appearance, and in the aquarium becomes attenuated incharacter. A cultivated variety said to have come from South Americais better in every respect and is easily obtained, for it is the kind propa-gated by dealers in aquatics. As it
. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. important aquarium plants on accountof its decorative value and pronounced individuality. When kept in astrong light the under sides of the leaves become a beautiful red stock is not altogether satisfactory. It throws out too many roots tomake a pleasing appearance, and in the aquarium becomes attenuated incharacter. A cultivated variety said to have come from South Americais better in every respect and is easily obtained, for it is the kind propa-gated by dealers in aquatics. As it is sold in the original pots before beingplunged into water it can safely be sent long distances. Growing to alength of several feet if untrimmed it is suited to large aquaria but mayalso be kept small by pinching back. Unlike Anacharis it should not betrimmed at the root end unless the stock has become quite old and nolonger prospers. Does best in strong light and may also be propagated inthe aquarium from cuttings. A little Ludwigia can be seen in ourfrontispiece. TROPICAL AQUARIUM FISHES 181. 129. Cultivated Lud\vigi.\ (Life sice) 182 GOLDFISH VARIETIES AIS^D SPATTERDOCK Among the newer introductions into the aquarium are the submergedSpatterdocks. The large arrow- or spade-shaped leaves make a verycharacteristic appearance. Seedling plants gathered from lakes and pondsin the fall will do well in the aquarium over winter. If summer leavesappear and become too large for the aquarium the plant had best be re-moved. The Southern Spatterdock, Nuphar sagittcvfolia, does not
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