File:The complete aquarium book; the care and breeding of goldfish and tropical fishes (1936) (20483519970).jpg

Title: The complete aquarium book; the care and breeding of goldfish and tropical fishes
Identifier: completeaquarium00inne (find matches)
Year: 1936 (1930s)
Authors: Innes, William T. (William Thornton), 1874-1969
Subjects: Aquariums; Goldfish
Publisher: New York, Halcyon house
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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58 AQUATIC PLANTS appearance when in flower, there is no reason why it should not be better known. As will be noted in illustration, it propagates from runners, but the seeds also germinate under favorable conditions. The plant is of European introduction. WATER LETTUCE Pistia stratiotes is a floating plant with fluted, light-green, velvety leaves, forming a rosette. It likes plenty of heat, a moist atmosphere and protection from the sun. Under favorable conditions it grows to a diameter of about four inches or more and is very attractive indeed.
Text Appearing After Image:
Z^3iR®£3BmBBi& aw* *»in a nttarr^ ^ IV^' Fig. 47. Water Lettuce (Two-thirds size) The roots sometimes attain a length of eighteen inches, but they are not sufficiently dense to use for spawning purposes. Multiplies rapidly in a congenial environment, but degenerates and dies out in a dry atmosphere. Obtainable from the larger dealers in aquatic plants. WATER FERN Not looking particularly fern-like, the Water Fern, Ceratopteris thalictroides, is the only truly aquatic species of the fern family. It is of comparatively recent introduction into the aquarium and indoor pool, and is more suited to the latter. In a partially shaded position in the greenhouse it grows into floating masses a foot or more in diameter,

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