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30 days 86 per cent aquatic plants aquaticum Canadarago Lake cent germination chilled for 30 cold storage cold water dormant period dried seeds dry storage Florham Park gave good germination germination obtained germination of seeds germination tests germination was obtained Heteranthera dubia Juncus articulatus L.—Water laboratory Lobelia Dortmanna Lophotocarpus lot of seed mination Mohawk River months gave months in cold months of storage Muenscher Najas marina Nasturtium nuts Nymphaea tuberosa obtained from seeds one-seeded Orontium Peltandra virginica percentage of germination pericarp placed in cold placed in germinators pond Potamogeton removed from cold room temperature Sagittaria latifolia Scirpus seed coats seeds gave seeds germinated seeds of aquatic Seeds stored dry seeds were stored September 11 August September 5 September Series Sparganium species tested storage in water storage treatments stored in cold subsequent chilling tap water Typha Vallisneria americana Veronica viability water at 1-3 water at room withstand drying Zizania aquatica