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Figures 1 and 3 (pp. 334 and 336): Figures 1 and 3 were inadvertently switched during the production process. The caption s are correct, but the illustrations should be interchanged. Pelargonium curviandrum has four stamens while Pelargonium Triandrum has three. The two affected pages are provided as a loose-leaf insert in this issue of the journal, and should be pasted onto the existing pages. The error is sincerely regretted and we wi sh to tender our aJXllogies to the author [or anydoi:10.1016/s0254-6299(15)30489-0 fatcat:fk4yl3bsmve2fazimhqqxygslq