. Elementary plant physiology. Plant physiology. it=a ^^S- 37.—Measurement of ex- udation pressure. A^ stump of plant to which is attached a manometer by a section of rub- ber tubing- with heavy walls; B, rubber tubing; C, level of mercury in manometer at be- ginning of 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 MacDougal, Daniel Trembly, 1865-1958. New York, London [etc. ] Longmans, Green, and Co.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplantph, bookyear1902