The Collaborative International Dictionary of English v.0.48:

Silene \Si*le"ne\, n. [NL., fr. L. Silenus, the attendant of
   Bacchus.] (Bot.)
   A genus of caryophyllaceous plants, usually covered with a
   viscid secretion by which insects are caught; catchfly.
   [1913 Webster]

   Bon Sil[`e]ne. See Sil[`e]ne, in the Vocabulary.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bon Silene \Bon" Si`l[`e]ne"\ (b[^o]N" s[-e]`l[asl]n"). [F.]
   (Bot.)
   A very fragrant tea rose with petals of various shades of
   pink.
   [1913 Webster]