Climate; An inquiry into the causes of its differences and into its influence on vegetable life - Brossura
Sinossi
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1863 Excerpt: ... what it may which produces the coloration, its presence must have a sensible influence upon the purity of the air, by removing from it foetid and injurious organic effluvia. It is also quite possible, that this same body may play an important part in regulating the functions of the vegetable kingdom likewise, and although it would be premature at present to speculate upon its specific office, yet for this reason alone it may be well to note the fact of its frequency, in conjunction with the different phases which vegetation assumes, persuaded that no principle can be generally diffused throughout nature, as appears to be the case with this, without having some important and appropriate use assigned for it to fulfil. This may perhaps explain the remarkable coloration of the papers which often takes place after thunderstorms. LECTURE III. Climate shewn to influence vegetation. Monocotyledonous plants are best suited to a hot climate--dicotyledonous best adapted for a temperate one--deep-rooted plants for extremes of heat and cold--plants with shallow roots for equable climates--deciduous trees for climates in which the length of the day is very unequal--evergreens for those in which it is more uniform throughout the year. Decandolle's five propositions with regard to the adaptation of plants to climate. Influence of the distribution of solar heat upon plants--what kinds are fitted to an excessive--what to an equable climate--what to a bright, what to a cloudy atmosphere--what to a humid, what to a dry climate. Distinction between wild and cultivated plants with reference to climate. Farinaceous matter generally distributed throughout the vegetable kingdom. Plants from which the inhabitants of tropical climates obtain their supply of this material--the Date--...
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