A . B C 



Fig. t68. — A, D\va.rf \\ heat ( Tnticuvi co}iifaciu7U Host.). Lateral \iew of ihe 'Ear' shov.'ing 

 the compact arrangement of the ^^pikelets 



B, Turgid or Rivet Wheat (.Triiicuin tuf\^idum L ). 



C, Hard or Flint Wheat ( TriticnvrduJ-uvi L.j. 



