Author Affiliations +
B. S. Ripley,1,* L. DeWet,1 M. P. Hill2
11Departments of Botany, Rhodes University, P.O. Box 94, Grahamstown, 6140 South Africa
22Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown, 6140 South Africa
**To whom correspondence should be addressed. E-mail: b.ripley@ru.ac.za