quincuncial

adj

1. Arranged in a quincunx.

   “Of this Quincunciall Ordination the Ancients practiſed much[,] diſcourſed little; […]”

   “In architecture the quincunxial shape was considered a sort of housing for the divine power – a battery, if you like, which gathered into itself the divinity as it tried to pour earthward, to earth itself – just like an electrical current does.”

2. Having the leaves of a pentamerous calyx or corolla so imbricated that two are exterior, two are interior, and the other has one edge exterior and one interior.

   “quincuncial aestivation”