Elizabeth (Bettina) Dalve, scientific illustrator, artist, and Fellow of the
  Ohio Academy of Science since 1963, died in Cincinnati, Ohio March 1981 at the
  age of 74. Collections of her botanical illustrations are on display at The
  Carnegie-Mellon Institute and have been shown at the Cincinnati Gardens Center
  and the Cincinnati Medical Library. She published
  eight works on plants including an Elementary Guide to Fossils and Strata in
    the Vicinity of Cincinnati. Elizabeth Dalve
  became a member of the Geology Section of the Ohio Academy of Science in 1949
  and was elected to fellowship in 1963. Her most important contribution to the
  Academy was the production of several hundred detailed pen and ink drawings for
  The Woody Plants of Ohio and The Monocotytledoneae,
  published for the Academy by the Ohio State University Press. She is survived by her husband, J. Arland
  Dalve, a brother, Leland King, Atherton, California,
and 10 nieces and nephews.
The Ohio Journal of Science, vol. 81