This section is from the book "The Gardener's Monthly And Horticulturist V20", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
The Reading Times and Dispatch says: " There is a steady market at present for the leaves of the wild Sumac which grows upon the hills and commons of Berks county, the demand being greater than the supply. The leaves are much used in the tanning of Morocco leather, for the manufacture of dyes and other purposes. In some localities the gathering of Sumac leaves at this season of the year is quite an industry. The branches of the Sumac bushes are broken off, loaded upon hay wagons and, after being cured, conveyed to the nearest railroad station. There is considerable Sumac in Montgomery county, and there is also a good deal in this county along the Wissahickon, Schuylkill, etc., and this may be a hint worth taking, "