. Plants; a text-book of botany. Botany. FOLIAGE LEAVES: FTTNCTION, STEUCTTJEE, ETC. 29 bubbles are mimeroiis. That this activity holds a definite relation to light may be proved l)y gradually removing the vessel containing the leaf from the light. As the light diminishes the bubbles diminish in number, and when a. Fig. ^3. An experiment to Ulnstrate the giving off of oxygen in tlie process of phota sNTi thesis. certain amount of darkness has been reached the bubbles will cease entirely. If now the vessel be brought back gradually into the light, the bubbles will reappear, more and more numero
. Plants; a text-book of botany. Botany. FOLIAGE LEAVES: FTTNCTION, STEUCTTJEE, ETC. 29 bubbles are mimeroiis. That this activity holds a definite relation to light may be proved l)y gradually removing the vessel containing the leaf from the light. As the light diminishes the bubbles diminish in number, and when a. Fig. ^3. An experiment to Ulnstrate the giving off of oxygen in tlie process of phota sNTi thesis. certain amount of darkness has been reached the bubbles will cease entirely. If now the vessel be brought back gradually into the light, the bubbles will reappear, more and more numerous as the light increases. That this gas being given off is oxygen may be proved by collecting the. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900
