x TABLE OF CONTENTS 
PART 
SYSTEMATIC AGROSTOLOGY 
CHAPTER XI 
PaGEs 
MoRPHOLOGY OF 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—Moneecious 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 
TUCOTIMEIIT 3s. cas) eh) alee ie Cel 
Seed dispersal, 133—Dispersal by wind, 133—Dispersal 
by animals, 135—Germination, 136—Germination of 
