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Webster 1913 Edition
Quincuncial
Quin-cun′cial
,1.
Having the form of a quincunx.
2.
(Bot.)
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;
as,
. quincuncial
æstivationQuincuncial phyllotaxy
(Bot.)
, an arrangement of five leaves in a spiral, each leaf two fifths of a circle from the next.
Webster 1828 Edition
Quincuncial
QUINCUN'CIAL
,Adj.