pinetum

plural pineta · plural pinetums

1. An arboretum, or part of an arboretum or garden, devoted to growing conifers.

   In the arrangement, of course, I should expect to see every hardy tree which could be collected in any part of the globe; and I even anticipate revelling in quercetums, fraxinetums, salicetums, pinetums, aceretums, &c.

   1838 February 28, “On the Formation of a Public Botanic Garden”, in The Gardener's Magazine and Register of Rural & Domestic Improvement

2. archaicA book that scientifically describes conifers.