Photographs by Clark Schaack, Ph.D. Botany, Flora &
Fauna Fotos, P.O. Box 60, Morrisonville, WI 53571 (fffcbs@chorus.net),
Michael Clayton
and Mohammad Mehdi Fayyaz, Ph.D. (mmfayyaz@facstaff.wisc.edu
), UW-Madison Dept. of Botany. Computer imaging assistance
provided by Michael Clayton and Kandis Elliot; and text editing
by Barbara Schaack, UW-Madison Dept. of Botany.