. 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. cky Mountains toNew Mexico and along the Pacific Coast. Hippuris tetraphyllum (Linn.) H. maritema(Hell.)or Four-leaved Mares tail, is a smallerspecieswith obovate or oblanceolate entire leaves in verticilsof 4s and 6s at the base of the stem. Native toLabrador and Canada to the United States borderand in Alaska. Hippuris has the character of Anacharis cana-densis, but is larger, stiffer
. 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. cky Mountains toNew Mexico and along the Pacific Coast. Hippuris tetraphyllum (Linn.) H. maritema(Hell.)or Four-leaved Mares tail, is a smallerspecieswith obovate or oblanceolate entire leaves in verticilsof 4s and 6s at the base of the stem. Native toLabrador and Canada to the United States borderand in Alaska. Hippuris has the character of Anacharis cana-densis, but is larger, stiffer and more erect, growing12 to ic inches above the water. It largelv takes FIG. 126. Mares Tail, J . J Hippuru■,-vulgaris, and enlarged the place of Anacharis in northern waters and was fruit. Reduced one-half. , ,• i iv/fjJl C .. 1 .,„-;.,. introduced into the Middle States by aquariumfanciers in i 898, but has recently been superseded by A. canadensis gigantea. FONTINALIS ■ This genus of aquatic moss contains a quite considerable number ofuniversally distributed freshwater species, two or three of which thrive in theaquarium. Ten species are recognized as native to the United States and. 199 AQUATIC PLANTS OF FRESHWATER of these F. antipyrotica, F. gigantea and F. gracilis are most easily obtainedand best serve for aquarium purposes. The young foliage has a fine greencolor but changes to a dusky brown with age. A few sprigs, attached tothe stone upon which they grew or in soil may be introduced it theaquarium is exposed to a good light. Fontinalis antipyretica (Linn.) or Willowmoss, Watermoss, Fig. 1271,has broad ovate and acuminate entire sharply plicate leaves with theborders reflexed on the side towards the base, in two or three rows, moreor less imbricated and sharply bracts are also closely imbricatedand the capsules ovate-oblong with aconical lid and bright coral-red per-istome or cap. The plant adheresto rocks, submerged wood and stonesin rivers an
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectaquariu, bookyear1908
