RARG Booxw Derr,
XL +798 -HT8E
Also avail- able in micro= text
POISONOUS PLANTS.
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.10h, North Second Street. M,DCC,XCVII. C1798)
vi,88p. 20cm. (8vo) Thesis (M.D.)--University of Pennsylvania, 1798. Experiments include the making of ink and dye
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from sumac, c Evans 33905. & MB-Rev.