Miller, Emerson F.2016-03-092016-03-091918https://hdl.handle.net/11299/178048University of Minnesota Ph.D. dissertation. 1918. Major: Botany. 1 computer file (PDF); 74 pages.enBotanyA Chemical Investigation of the Volatile Cils of Some Species of the Genus Pyonanthemum MichxThesis or Dissertation