phylomorphospace(tree,X,A=NULL,label=TRUE,control=list())"phylo" format.n x 2 matrix of tip values for two characters in n species.m x 2 matrix (for m nodes) of values for two taits at internal nodes in the tree - if not supplied, these values will be estimated using ace.col.edge: a vector of edge colors; and col.node: a vector of node colors.