Melissyl \Me*lis"syl\, n. [Melissic +yl.] (Chem.) See {Myricyl}. [1913 Webster]
Myricyl \Myr"i*cyl\, n. [Myricin + -yl.] (Chem.) A hypothetical radical regarded as the essential residue of myricin; -- called also {melissyl}. [1913 Webster]