CONTENTS 



PART I 



CHAP. PAGE 



I. INTRODUCTORY ....... 3 



II. THE GRAIN: STRUCTURE, COLOUR, AND OTHER CHARACTERS . 7 



The Pericarp, 7 : The Seed, 10 : Colour of the Grain, 17 :" Hard " 

 " Flinty " and " Soft " " Mealy " Grains, 18. 



III. GERMINATION OF THE GRAIN ..... 24 



IV. THE ROOTS . . . . . . -35 



General Morphology, 35 : Anatomy of the Roots, 39. 



V. THE LEAVES ....... 44 



General Morphology, 44 : Anatomy of the Leaves, 5 1 



VI. THE STEMS: " TILLERING," " SHOOTING," AND " LODGING " . 62 



General Morphology, 62 : " Tillering," 64 : " Lodging," 78 : 

 " Shooting" of the Stems and Escape of the Ear, 81 : Anatomy of the 

 Culm and Rhizome, 92. 



VII. THE INFLORESCENCE ...... 100 



Structure of the Rachis, Glumes, and Awns, 105. 



VIII. THE FLOWER : FERTILISATION AND DEVELOPMENT OF THE 



GRAIN . . . . . . . 110 



Development of the Spikelet and Flower, 114 : Anthesis and Pollina- 

 tion, 122 : Fertilisation and Development of the Grain, 129. 



PART II 



IX. CLASSIFICATION . . . . . . .147 



X. WILD SMALL SPELT (T. aegilopoides, Bal.) . . .164 



XI. SMALL SPELT (T. monccoccum, L.) . . . .170 



XII. WILD EMMER (T. dicoccoides, Korn.) . . . .178 



XIII. EMMER (T. dicoccum, Schiibler) . . . . .186 



