plot(0, type = "n", xlim = x.lim, ylim = y.lim, ann = FALSE, axes = FALSE, asp = asp, ...)
if (is.null(adj))
adj <- if (phyloORclado && direction == "leftwards") 1 else 0
plot(0, type = "n", xlim = x.lim, ylim = y.lim, ann = FALSE, axes = FALSE, asp = asp, ...)
if (is.null(adj))
adj <- if (phyloORclado && direction == "leftwards") 1 else 0