pine tree vs pinery

pine tree

noun
  • Any coniferous tree in the genus Pinus 

pinery

noun
  • A pinewood, pinetum, forest or grove where pine trees are grown. 

  • A hothouse or (tropical) area used as a plantation for the cultivation of pineapple plants (genus Ananas) and production of their homonymous fruit. 

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