id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-202	Carter, J. Cedric	Wetwood of Elms	1945	50	.pdf	application/pdf	20774	1233	71	—In this experiment, six 2-year-old potted seedlings of American elm were connected by rubber and glass tubing to six large wetwood-af¥ected elms in Hinsdale to test the toxic effect, on seedlings, of sap from wetwood trees. The pH determinations showed the sap and discolored wood of wetwood trees to be alkaline, the wood of healthy trees to be acid.	cache/inhs-202.pdf	txt/inhs-202.txt