. Plant physiology. Plant physiology. ASSIMILATION OF CAEBON 5 (comparatively pure oxygen') given off, in light, from the cut end of a piece of the water plant Elodea, submerged in water saturated with carbon dioxide, as shown in Fig. 2. If a number of such green water plants are placed under water in sunlight and are covered by an inverted funnel, over the neck of which is inverted a test-tube of water (Fig. 3), the test-tube soon becomes filled with a gas that is nearly pure oxygen. Schiitzenberger's reagent (a solution of indigo carmine or nigrosine, de- colorized by sodium sulphite) can al
. Plant physiology. Plant physiology. ASSIMILATION OF CAEBON 5 (comparatively pure oxygen') given off, in light, from the cut end of a piece of the water plant Elodea, submerged in water saturated with carbon dioxide, as shown in Fig. 2. If a number of such green water plants are placed under water in sunlight and are covered by an inverted funnel, over the neck of which is inverted a test-tube of water (Fig. 3), the test-tube soon becomes filled with a gas that is nearly pure oxygen. Schiitzenberger's reagent (a solution of indigo carmine or nigrosine, de- colorized by sodium sulphite) can also be used to demonstrate that oxygen is O. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Palladin, Vladimir Ivanovich, 1859-1922; Livingston, Burton Edward, 1875-; Hopping, Aleita, 1890-. Philadelphia, P. Blakiston's Son & Co
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