Figure 8. Urediniospores of Hemileia characteristically are kidney-shaped with spines on the convex surface. (From Berkeley’s original drawing and report in the Gardeners’ Chronicle, 1869). Note: A scanned image of the full page from the November, 1869, Gardeners’ Chronicle in which Rev. M.J. Berleley published the first description of Hemileia vastatrix is available by clicking here.