x THE WHEAT PLANT 



CHAP. PAGE 



XIV. KHORASAN WHEAT (T. orientale, mihi) . . 204 



XV. MACARONI WHEAT (T. dumm, Desf.) . . 206 



XVI. POLISH WHEAT ( T. polonicum, L.) . . 230 



XVII. RIVET OR CONE WHEAT (T. turgidum, L.) . .241 



XVIII. EGYPTIAN CONE WHEAT ( T. pyramidale^ mihi) . . 262 



XIX. COMMON BREAD WHEAT (T. vulgare, Host) . . 265 



XX. CLUB, DWARF, CLUSTER, OR HEDGEHOG WHEAT (T. compactum, 



Host) ...... 30? 



XXI. INDIAN DWARF WHEAT (T. sphaerococcum, mihi) . 321 



XXII. SPELT OR DINKEL (T. Spelta, L.) . 325 



XXIII. THE ORIGIN AND RELATIONSHIPS OF THE RACES OF WHEAT 335 



XXIV. VARIATION ....... 347 



XXV. HYBRIDISATION AND WHEAT HYBRIDS . 360 



XXVI. THE IMPROVEMENT AND BREEDING OF WHEAT . . 407 



XXVII. YIELD . . . . . . 415 



LIST OF WHEATS .... 433 



BIBLIOGRAPHY ...... 441 



INDEX . ..... 455 



