The Potamogetons in Relation to Pond Culture ..
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Being heavier than water, the buds sink to the bottom and by the middle of October they have either disappeared or have become entangled in the accumulations of Elodea, Myriophyllum, Ceratophyllum, etc., which still remain intact. In the dis- organization of this mass of vegetation, a gradual settling of the entangled buds takes place and they eventually find lodgment with the others in the substratum of mud, where they remain in a quiescent state till early spring. Such buds may properly be ca...lled hibemacula, since they pass through the unfavorable winter season in a state of rest.
The general external aspect of the winter buds is seen in figures 33, 63, and 64. In size and form the two buds are quite similar but the leaves of obtusijolius are less stiff and harsh. In the internal structure of the bud (fig. 34) the typical branch-like character is apparent with the young leaves closely crowded toward the tip.
Plants of both species have been reared in aquaria by anchoring the buds in sand or mud.
What to read after The Potamogetons in Relation to Pond Culture ..?
You can find similar books in the "Read Also" column, or choose other free books by Moore, Emmeline, 1872- [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Being heavier than water, the buds sink to the bottom and by the middle of October they have either disappeared or have become entangled in the accumulations of Elodea, Myriophyllum, Ceratophyllum, etc., which still remain intact. In the dis- organization of this mass of vegetation, a gradual settling of the entangled buds takes place and they eventually find lodgment with the others in the substratum of mud, where they remain in a quiescent state till early spring. Such buds may properly be ca...lled hibemacula, since they pass through the unfavorable winter season in a state of rest.
The general external aspect of the winter buds is seen in figures 33, 63, and 64. In size and form the two buds are quite similar but the leaves of obtusijolius are less stiff and harsh. In the internal structure of the bud (fig. 34) the typical branch-like character is apparent with the young leaves closely crowded toward the tip.
Plants of both species have been reared in aquaria by anchoring the buds in sand or mud.
What to read after The Potamogetons in Relation to Pond Culture ..?
You can find similar books in the "Read Also" column, or choose other free books by Moore, Emmeline, 1872- [from Old Catalog] to read onlineMoreLess
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