Source : Webster's Revised Unabridged Dictionary (1913)

Kemps \Kemps\, n. pl. [Etymol. uncertain.] (Bot.)
   The long flower stems of the ribwort plantain ({Plantago
   Lanceolata}). --Dr. Prior.

Source : WordNet®

Plantago lanceolata
     n : an Old World plantain with long narrow ribbed leaves widely
         established in temperate regions [syn: {English plantain},
          {narrow-leaved plantain}, {ribgrass}, {ribwort}, {ripple-grass},
          {buckthorn}]