. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. tain in satisfactory condi-tion, except with such fishes as will not molest it. Anacharis canadensis gigantea or Elodea canadensis gigantea (Hort.)Fig. i 24, is a cultivated species derived from A. canadensis^ the most gen-erally distributed native form. It has a thick jointed stem and leaves 1 to 1 y2 inches long, inwhorls of 4 to 8, with adense cluster of the longslender leaves at the
. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. tain in satisfactory condi-tion, except with such fishes as will not molest it. Anacharis canadensis gigantea or Elodea canadensis gigantea (Hort.)Fig. i 24, is a cultivated species derived from A. canadensis^ the most gen-erally distributed native form. It has a thick jointed stem and leaves 1 to 1 y2 inches long, inwhorls of 4 to 8, with adense cluster of the longslender leaves at the endsof the stalks. It usuallygrowswithout much branch-ing. In general appearanceit considerably resemblesHippuris and is an attrac-tive aquarium plant whichgrows to a length of 3 to 4feet below and on the sur-face of the water. Its coloris a delicate greyish-green,the younger growth usuallya bright green, sometimesmarked with white. Lessfragile than A. canadensis^it is a good oxygenator, ofmost rapid growth, whichthrives with or withoutroots, set directly in the FIG. 124 Giant Anacharis, Anacharis canandensis gigantea, Hort. pebbles OV Sand OT in SmallReduced one-third. • 1 -i » * i ith soil. May be. pots Wll had of dealers in aquatic plants. In small aquaria, intended for the pro-pagation of aquarium snails, it is preferable to most of the other aquaticplants. Together with Cabomba it is easiest to be obtained, and is a mostsatisfactory plant for the novice in aquarium study. CERATOPHYLLUM This generally distributed aquatic weed, commonly known as Horn-wort, is free-suspended in every stage of development and is shitted inposition by every current, though the submerged species of this genusmostly occur in slow streams and still water. Absorption is carried on by •9: AQUATIC PLANTS OF FRESHWATER the epidermal cells of the foliage leaves and not by roots, though the lowerleaves may assume a rootlike character. The Hornworts have weak andslender widely-branching and floating
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectaquariu, bookyear1908
