x THE WHEAT PLANT 



CHAP. PAGE 



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



XV. MACARONI WHEAT (T. durum, 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) ....... 307 



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 



