The Collaborative International Dictionary of English v.0.48:

Crowtoe \Crow"toe`\ (kr[=o]"t[=o]`), n. (Bot.)
   1. The Lotus corniculatus. --Dr. Prior.
      [1913 Webster]

   2. An unidentified plant, probably the crowfoot. "The tufted
      crowtoe." --Milton.
      [1913 Webster]