. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. ects. They are of a pleasing dark-green color andhave the advantage of doing well in a subdued light, although a moderateamount of direct sun does them no harm. Fontinalis antipyretica grows in long branching form, with leavesclosely adhering to the stem. It occurs in cold-water streams and rivers,being very plentiful in some localities but is not freely distributed. Fontinalis gracilis is very much smaller and threadlike, the leavesbeing so small as to appear like a roughness on the stem. In t
. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. ects. They are of a pleasing dark-green color andhave the advantage of doing well in a subdued light, although a moderateamount of direct sun does them no harm. Fontinalis antipyretica grows in long branching form, with leavesclosely adhering to the stem. It occurs in cold-water streams and rivers,being very plentiful in some localities but is not freely distributed. Fontinalis gracilis is very much smaller and threadlike, the leavesbeing so small as to appear like a roughness on the stem. In the aquariumthis plant seems to have a faculty of soon becoming covered with sedi-ment. Indeed some aquarists find it useful to clear the water. As soonas the plant becomes well covered it is taken out. rinsed off and the stems are strong they stand this treatment successfully. A stonecontaining a thick bunch of Fontinalis gracilis is an attractive feature inthe aquarium. It is a slow grower. The new leaves are bright green butsoon turn to a dark sage color. 184 GOLDFISH VARIETIES AND. Fig. 132. Fontinalis antipvretica (Life si::e)Fig. 133. Fontinalis gracilis (Life size) TKOPICAL AQUAinrM EISIIES 185
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