RARE BooK Dept,
XL -798 -H78E
Also avail- able in -micro-
text
Horsfield, Thomas, 1773-1859. An experimental dissertation on the Rhus vernix,
Rhus radicans and Rhus glabrum; commonly known in
 
Pennsylvania by the names of poison-ash, poison- vine and common sumach. By Thomas Horsfield ...
Philadelphia: Printed by Charles Cist,no.104, North Second Street. M,DCC,XCVII. [1798]
vi,88p. 20cm. (8vo) Thesis (M.D.)--University of Pennsylvania, 1798. Experiments include the making of ink and dye
from sumac, Evans 33905.
MB—Rev.