adds annotations to the ternary diagram, one of either
empty, QFL.descriptive, QFL.folk or
QFL.dickinson
pch
plot character, see ?par for details (may be a
vector)
pos
position of the sample labels relative to the plot
symbols if pch != NA
labels
vector of strings to be added to the plot symbols
showpath
if x has class SRDcorrected, and
showpath==TRUE, the intermediate values of the SRD
correction will be plotted on the ternary diagram as well as
the final composition
bg
background colour for the plot symbols (may be a vector)
col
colour to be used for the background lines (if
applicable)