Rare Boon Derr,
XL 798 -HT8E
Also avail- able in micro= text
SUMAC.
Horsfield, Thomas, 1773-1859. An experimental dissertation on the Rhus. vernix, Rhus radicans and Rhus glebrum; 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.