TABLE OF CONTENTS 



PART II 



SYSTEMATIC AGROSTOLOGY 



CHAPTER XI 



PAGES 



MORPHOLOGY OP THE VEGETATIVE ORGANS 95-111 



Distinguishing characters of grasses, 95 Gross anatomy, 

 96 Perennial herbaceous species, 96 Distribution, 97 

 The root, 98 The stem, 98 Duration, 99 Stems modi- 

 fied for propagation, 100 Stolons, 101 Corms, 102 

 Artificial propagation by means of stems, 102 The leaf, 

 103 Leaf-base and blades, 104 The prophyllum, 104 

 The sheath, 104 Sheath-nodes, 105 The collar, 105 

 The ligule, 105 The blade, 106 Nervation, 107 

 Auricles, 108 Roll leaves, 108 Scales, 109 Bracts, 

 110. 



CHAPTER XII 



MORPHOLOGY OF THE FLORAL ORGANS 112-132 



The inflorescence, 112 Kinds of inflorescence, 113 

 Unisexual inflorescence, 114 Monoecious genera, 115 

 The axis of inflorescence, 115 Branching of panicles, 

 116 Motor organs, 117 The spikelet, 117 Sterile 

 spikelets, 120 The pedicel, 120 The glumes, 121 

 Anomalous glumes, 123 The lemma, 124 Sterile flo- 

 rets and sterile lemmas, 125 Awns, 126 Twisted awns, 

 127 The palea, 127 The lodicules, 128 The stamens, 

 128 The pistil, 129 The fruit, 129 The seed, 130 

 The embryo, 131 The endosperm, 131 The rachilla, 

 131. 



CHAPTER XIII 



ECOLOGY 133-150 



Seed dispersal, 133 Dispersal by wind, 133 Dispersal 

 by animals, 135 Germination, 136 Germination of 



