An experimental dissertation on the rhus vernix, rhus radicans and rhus glabrum [microform] : commonly known in Pennsylvania by the names of poison-ash, poison-vine and common sumach /
Horsfield, Thomas,1773-1859.
Ewing, John,1732-1802.
Philadelphia : Printed by Charles Cist,
1798.
"An inaugural dissertation for the degree of doctor of medicine, submitted to the examination of the Rev. John Ewing ..."--P. [iii]
Thesis (M.D.)--University of Pennsylvania, 1798.
Includes bibliographical references.
Sabin 33049
Microfiche.
Poison ivy.
Poison sumac.
Botany, Medical.