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The final length of sheaths and laminae 2–6 plotted against the length of the sheath in the preceding leaf (1–5). Data are for ‘Déa’ at normal density (open circles) and high density (filled circles), for ‘Nobilis’ at normal density in 1998 (triangles) and ‘Déa’ at high density in 1999 (squares). Confidence intervals (±2 s.e.) are smaller than the size of the symbols.
