The Encyclopedia Americana: The International Reference Work, Volume 7Americana Corporation, 1962 - Encyclopedias and dictionaries |
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Page 138
... species are on the verge of becoming extinct . Lycopodium powder , sometimes called vegeta- ble brimstone or vegetable sulphur , consists of the yellow spores of species of Lycopodium . It is a highly inflammable powder used ...
... species are on the verge of becoming extinct . Lycopodium powder , sometimes called vegeta- ble brimstone or vegetable sulphur , consists of the yellow spores of species of Lycopodium . It is a highly inflammable powder used ...
Page 326
... species whose bodies are provided with tubercles which in shape resemble the leaf bud and other excrescences on the back of twigs . Another example is the leaf insect ( Phyllium ) of Java , in which the wings are very broad , thin , and ...
... species whose bodies are provided with tubercles which in shape resemble the leaf bud and other excrescences on the back of twigs . Another example is the leaf insect ( Phyllium ) of Java , in which the wings are very broad , thin , and ...
Page 521
... species ) , larch ( Larix , with 10 species ) , and Douglas fir ( Pseudotsuga , with 7 species ) , which furnishes four fifths of the timber crop from soft- woods . Fossils of Pinaceae date from Upper Jurassic to Recent . TAXODIACEAE ...
... species ) , larch ( Larix , with 10 species ) , and Douglas fir ( Pseudotsuga , with 7 species ) , which furnishes four fifths of the timber crop from soft- woods . Fossils of Pinaceae date from Upper Jurassic to Recent . TAXODIACEAE ...
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