natalitial

from The Collaborative International Dictionary of English v.0.48

Natalitial \Na`ta*li"tial\, Natalitious \Na`ta*li"tious\, a. [L.
   natalitius, from natalis. See {Natal}.]
   Of or pertaining to one's birth or birthday, or one's
   nativity. [Obs.] "Natalitial poplar." --Evelyn. "Natalitious
   fire." --W. Cartwright.
   [1913 Webster]