scarious

from The Collaborative International Dictionary of English v.0.48

Scariose \Sca"ri*ose\, Scarious \Sca"ri*ous\, a. [F. scarieux,
   NL. scariosus. Cf. {Scary}.] (Bot.)
   Thin, dry, membranous, and not green. --Gray.
   [1913 Webster]