florilegium vs treasury

florilegium

noun
  • A patristic anthology. 

  • A collection of flowers. 

treasury

noun
  • A collection of artistic or literary works. 

  • A place where state or royal money and valuables are stored. 

  • A place where treasure is stored safely. 

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