Günter Gerlach completes his two-part article on the sex lives of Catasetum and Cycnoches and Stephen Van Kampen-Lewis, Francisco Miranda and Christopher Maupin take us on an adventure in Brazil searching for Cattleya nobilior f. amaliae. Rounding out our features this month is an historical article by Dr. Joseph Arditti on the study of phytoalexins in orchids. These compounds, produced by various plant families following infection by pathogens or colonization by symbionts, such as mycorrhiza help to fend of pathogenic or colonizing fungi - sort of an immune system response in plants.
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