laciniate vs runcinate

laciniate

adj
  • Bordered with a fringe. 

  • Cut into deep irregular usually pointed lobes. 

runcinate

adj
  • Having a lacerated aspect with the projection pointing away from the apex, like dandelion leaves. 

  • Having tooth-like projections pointing away from the apex. 

How often have the words laciniate and runcinate occurred in a corpus of books? (source: Google Ngram Viewer )