diff --git a/latex/ystikz.sty b/latex/ystikz.sty
index d7498dd..9969537 100644
--- a/latex/ystikz.sty
+++ b/latex/ystikz.sty
@@ -67,11 +67,12 @@
       font=\scriptsize,
       edge=-latex,
       anchor=north
-    }
+    }, baseline
   },
   ssarbre/.style={isosceles triangle, draw, shape border rotate=90, minimum size=.7cm, child anchor=apex, anchor=apex},
   square/.style={regular polygon,regular polygon sides=4, inner sep=0pt, minimum size=.7cm},
   susp/.style={draw=none, no edge},
+  dashd/.style={dashed, edge=dashed}
 }
 
 \tikzstyle{basevertex} = [circle,