
x : CONTENTS 
PART II.—HISTOLOGY 
CHAPTER VI 
INTRODUCTION TO PLANT HISTOLOGY 
PAGE 
Protococcus—Vaucheria— —Spirogyra —Fucus—Laminaria—Tissues of Flowering 
Plants, Meristematic and Permanent—Formation of Permanent Tissues 41-49 
CHAPTER VII 
THE STEM 
Structure of Growing Point—Stem of Sunflower and Lime—Course of Bundles 
in Dead-nettle—Growth in Thickness of Bee ee - Sas Stem 
of ary ane Hydrophytes” - . : 50-64 
CHAPTER VIII 
THE ROOT 
Structure of acer Takara Roots—Growth in Length and Thickness - Adapta- 
tion of Structure to Function—Roots of Hydrophytes and Xerophytes 65-71 
CHAPTER IX 
THE LEAF 
' Structure of eopivte. Xerophytic, and pee ee Leaf—Infiu uence of Light 
on Form and Arrangement of Leaves - - 72-78 
CHAPTER X 
THE FLOWER 
Flower of Pinus—Staminate and Carpellary Cones—Structure of Ovule—Ovule 
of Angiosperms—Pollen Grains of Mesophytes and Hydrophytes - 79-86, 
PART IIL—NATURAL ORDERS 
UHAPTER Ai 
Ranunculaceze — Papaveracese — Cruciferze — Caryophyllaceze — Malvaceze—Gera- 
niacezee—Leg uminosze —Rosaceee—Umbelliferse —Caprifoliaccze -Compositee— 
Primulaceze — Boraginacor- Solansee> -Picephalarnice. apie 
taceze—Orchidacese—Iridaceze— Liliacese-—Graminez- - - 87-146 
APPENDIX A 
Directions for Laboratory Work - - . - - : 147-149 
APPENDIX B 
Specimen Ecological Observations — - - - . - - 149-152 
INDEX - - - a -— - - mo ae 
