Adult-Education Courses

Here’s a partial list of the adult-education courses Ray has taught over the past two decades:


  • Architectural Geology of Chicago
  • Exploring Ethnobotany
  • Finding One’s Way: Cartography, Map-reading, and Global Positioning System Skills
  • Fossils of the Great Lakes Region
  • Fossils of the Midwest
  • Global Positioning System and Compass Skills
  • Illinois Geology: Glaciers and Tropical Seas
  • Introduction to Botany and Taxonomy
  • Local Flora: Fall
  • Local Flora: Spring
  • Orchid Care Workshop
  • Orchids for Beginners
  • Pests and Diseases of Indoor Plants
  • Phytogeography
  • Plant-Soil Relationships
  • Reading the Landscape
  • Reading the Landscape of Northeastern Illinois
  • Rocks and Minerals of the Midwest
  • Soil Science Basics for Landscaping Professionals
  • The Botany of Architecture
  • The Evolving Illinois Landscape
  • The Roots of Genius: The Botany of Louis Sullivan’s Architectural Designs
  • Understanding Soils
  • Understanding the Grasses
  • Urban Street Tree Care
  • Urban Street Tree Care
  • Weather and Climate of the Chicago Region
    Some of the schools and other institutions that have hosted these courses:

Chicago Architecture Foundation

Chicago Botanic Garden

Field Museum of Natural History

Illinois Institute of Technology

Kenosha Public Museum

Lake Forest Open Lands Association

New York Street Tree Consortium

St. Charles Park District

The Morton Arboretum

U.S. Bureau of Land Management