The group has until recent years been regarded as comprising three classes distinguished by well-marked physiological featuresthe Algae (including the Seaweeds) which contain chlorophyll, the Fungi which have no chlorophyll and therefore lead a saprophytic or parasitic mode of life, and the Lichens which are composite organisms consisting of an alga and a fungus living together in a mutual parasitism (symbiosis); Bacteria were regarded as a section of Fungi. [Please select]
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He made beautiful crosses of silvery gray lichens, and pressed mosses and rosy weeds from the seashore. [Please select]
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The two men stopped beside the bole of a giant beech, silver-grey, splashed with lichens. [Please select]
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The lichens thus treated acquire gradually a deep purple colour, and form the products called "cudbear." [Please select]
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Litmus is also obtained from the same lichens as yield orchil. [Please select]
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No vegetable form is seen save the mosses and lichens that cling to the rocks, as within the Arctic Circle. [Please select]
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I walk upon glaciers, and through their translucent mass I behold the lichens growing beneath. [Please select]
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The Beaches of Lukannon--the winter wheat so tall-- The dripping, crinkled lichens, and the sea-fog drenching all. [Please select]
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Different species of bamboos gave quite a peculiar aspect to the scenery in some places, and still greater variety was secured by long pendant masses of feathery grey moss and lichens. [Please select]
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The lichens firmly held together with webs, and smoothly disposed with the tops outside, give to the nest the colour of the bark it is built on. [Please select]
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