The Encyclopedia Americana: The International Reference Work, Volume 7Americana Corporation, 1960 - Encyclopedias and dictionaries |
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Page 114
Plants can be classified into three main groups on the basis of their requirements of moisture : ( 1 ) hydrophytes must have a great deal of water , ( 2 ) mesophytes need a moderate amount , and ( 3 ) xerophytes are adapted to drought .
Plants can be classified into three main groups on the basis of their requirements of moisture : ( 1 ) hydrophytes must have a great deal of water , ( 2 ) mesophytes need a moderate amount , and ( 3 ) xerophytes are adapted to drought .
Page 328
In 1899 it was directly or indirectly through its influence on shown that aquatic plants like frog's bit and the ... leaves red Chinese primroses , in chrysanthemum , and on the same plant collected on the same day . in Calceolaria .
In 1899 it was directly or indirectly through its influence on shown that aquatic plants like frog's bit and the ... leaves red Chinese primroses , in chrysanthemum , and on the same plant collected on the same day . in Calceolaria .
Page 329
Obviously the factors controlling the formation of the most striking pigments in plants , the anthocyanins , do not operate individually ; the plant is affected by all or many of them simultaneously .
Obviously the factors controlling the formation of the most striking pigments in plants , the anthocyanins , do not operate individually ; the plant is affected by all or many of them simultaneously .
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Bibliographic information
| Title | The Encyclopedia Americana: The International Reference Work, Volume 7 The Encyclopedia Americana: The International Reference Work |
| Publisher | Americana Corporation, 1960 |
| Original from | University of Illinois at Urbana-Champaign |
| Digitized | 9 Jun 2022 |
| Export Citation | BiBTeX EndNote RefMan |